/*
 * Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
 * Not a Contribution.
 *
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define LOG_TAG "msm8916_platform"
/*#define LOG_NDEBUG 0*/
#define LOG_NDDEBUG 0

#include <stdlib.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <cutils/log.h>
#include <cutils/properties.h>
#include <cutils/str_parms.h>
#include <audio_hw.h>
#include <platform_api.h>
#include "platform.h"
#include "audio_extn.h"
#include "acdb.h"
#include "voice_extn.h"
#include "edid.h"
#include "sound/compress_params.h"
#include "sound/msmcal-hwdep.h"
#include <dirent.h>
#include <linux/msm_audio.h>

#if defined(PLATFORM_MSMFALCON)
#include <sound/devdep_params.h>
#endif

#ifdef DYNAMIC_LOG_ENABLED
#include <log_xml_parser.h>
#define LOG_MASK HAL_MOD_FILE_PLATFORM
#include <log_utils.h>
#endif

#define SOUND_TRIGGER_DEVICE_HANDSET_MONO_LOW_POWER_ACDB_ID (100)
#define MAX_MIXER_XML_PATH  100
#define MIXER_XML_PATH_QRD_SKUH "/vendor/etc/mixer_paths_qrd_skuh.xml"
#define MIXER_XML_PATH_QRD_SKUI "/vendor/etc/mixer_paths_qrd_skui.xml"
#define MIXER_XML_PATH_QRD_SKUHF "/vendor/etc/mixer_paths_qrd_skuhf.xml"
#define MIXER_XML_PATH_SKUK "/vendor/etc/mixer_paths_skuk.xml"
#define MIXER_XML_PATH_SKUA "/vendor/etc/mixer_paths_skua.xml"
#define MIXER_XML_PATH_SKUC "/vendor/etc/mixer_paths_skuc.xml"
#define MIXER_XML_PATH_SKUE "/vendor/etc/mixer_paths_skue.xml"
#define MIXER_XML_PATH_SKUL "/vendor/etc/mixer_paths_skul.xml"
#define MIXER_XML_PATH_SKUS "/vendor/etc/mixer_paths_skus.xml"
#define MIXER_XML_PATH_SKUSH "/vendor/etc/mixer_paths_skush.xml"
#define MIXER_XML_PATH_QRD_SKUT "/vendor/etc/mixer_paths_qrd_skut.xml"
#define MIXER_XML_PATH_SKUM "/vendor/etc/mixer_paths_qrd_skum.xml"
#define MIXER_XML_PATH_SKU1 "/vendor/etc/mixer_paths_qrd_sku1.xml"
#define MIXER_XML_PATH_SKUN_CAJON "/vendor/etc/mixer_paths_qrd_skun_cajon.xml"
#define MIXER_XML_PATH_SKU3 "/vendor/etc/mixer_paths_qrd_sku3.xml"
#define MIXER_XML_PATH_AUXPCM "/vendor/etc/mixer_paths_auxpcm.xml"
#define MIXER_XML_PATH_AUXPCM "/vendor/etc/mixer_paths_auxpcm.xml"
#define MIXER_XML_PATH_I2S "/vendor/etc/mixer_paths_i2s.xml"
#define MIXER_XML_PATH_WCD9306 "/vendor/etc/mixer_paths_wcd9306.xml"
#define MIXER_XML_PATH_WCD9330 "/vendor/etc/mixer_paths_wcd9330.xml"
#define MIXER_XML_PATH_WCD9340 "/vendor/etc/mixer_paths_wcd9340.xml"
#ifdef LINUX_ENABLED
/* For LE platforms */
#define MIXER_XML_PATH "/etc/mixer_paths.xml"
#define MIXER_XML_PATH_MSM8909_PM8916 "/etc/mixer_paths_msm8909_pm8916.xml"
#define MIXER_XML_PATH_MTP "/etc/mixer_paths_mtp.xml"
#define MIXER_XML_PATH_SKU2 "/etc/mixer_paths_qrd_sku2.xml"
#define MIXER_XML_PATH_WCD9326 "/etc/mixer_paths_wcd9326.xml"
#define MIXER_XML_PATH_WCD9335 "/etc/mixer_paths_wcd9335.xml"
#define PLATFORM_INFO_XML_PATH_EXTCODEC  "/etc/audio_platform_info_extcodec.xml"
#define PLATFORM_INFO_XML_PATH_SKUSH  "/etc/audio_platform_info_skush.xml"
#define PLATFORM_INFO_XML_PATH      "/etc/audio_platform_info.xml"
#define MIXER_XML_PATH_WCD9326_I2S "/etc/mixer_paths_wcd9326_i2s.xml"
#define MIXER_XML_PATH_WCD9326_I2S_TDM "/etc/mixer_paths_wcd9326_i2s_tdm.xml"
#define MIXER_XML_PATH_WCD9330_I2S "/etc/mixer_paths_wcd9330_i2s.xml"
#define MIXER_XML_PATH_WCD9335_I2S "/etc/mixer_paths_wcd9335_i2s.xml"
#define MIXER_XML_PATH_SBC "/etc/mixer_paths_sbc.xml"
#else
#define MIXER_XML_PATH "/vendor/etc/mixer_paths.xml"
#define MIXER_XML_PATH_MSM8909_PM8916 "/vendor/etc/mixer_paths_msm8909_pm8916.xml"
#define MIXER_XML_PATH_MTP "/vendor/etc/mixer_paths_mtp.xml"
#define MIXER_XML_PATH_SKU2 "/vendor/etc/mixer_paths_qrd_sku2.xml"
#define PLATFORM_INFO_XML_PATH_EXTCODEC  "/vendor/etc/audio_platform_info_extcodec.xml"
#define PLATFORM_INFO_XML_PATH_SKUSH "/vendor/etc/audio_platform_info_skush.xml"
#define MIXER_XML_PATH_WCD9326 "/vendor/etc/mixer_paths_wcd9326.xml"
#define MIXER_XML_PATH_WCD9335 "/vendor/etc/mixer_paths_wcd9335.xml"
#define MIXER_XML_PATH_SKUN "/vendor/etc/mixer_paths_qrd_skun.xml"
#define PLATFORM_INFO_XML_PATH      "/vendor/etc/audio_platform_info.xml"
#define MIXER_XML_PATH_WCD9326_I2S "/vendor/etc/mixer_paths_wcd9326_i2s.xml"
#define MIXER_XML_PATH_WCD9326_I2S_TDM "/vendor/etc/mixer_paths_wcd9326_i2s_tdm.xml"
#define MIXER_XML_PATH_WCD9330_I2S "/vendor/etc/mixer_paths_wcd9330_i2s.xml"
#define MIXER_XML_PATH_WCD9335_I2S "/vendor/etc/mixer_paths_wcd9335_i2s.xml"
#define MIXER_XML_PATH_SBC "/vendor/etc/mixer_paths_sbc.xml"
#endif
#define MIXER_XML_PATH_SKUN "/vendor/etc/mixer_paths_qrd_skun.xml"

#define LIB_ACDB_LOADER "libacdbloader.so"
#define CVD_VERSION_MIXER_CTL "CVD Version"

#define FLAC_COMPRESS_OFFLOAD_FRAGMENT_SIZE (256 * 1024)
#define MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE (2 * 1024 * 1024)
#define MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE (2 * 1024)
#define COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING (2 * 1024)
#define COMPRESS_OFFLOAD_FRAGMENT_SIZE (32 * 1024)
#define DEFAULT_RX_BACKEND "SLIMBUS_0_RX"

/*
 * This file will have a maximum of 38 bytes:
 *
 * 4 bytes: number of audio blocks
 * 4 bytes: total length of Short Audio Descriptor (SAD) blocks
 * Maximum 10 * 3 bytes: SAD blocks
 */
#define MAX_SAD_BLOCKS      10
#define SAD_BLOCK_SIZE      3
#define MAX_CVD_VERSION_STRING_SIZE    100
#define MAX_SND_CARD_STRING_SIZE    100

/* EDID format ID for LPCM audio */
#define EDID_FORMAT_LPCM    1

/* fallback app type if the default app type from acdb loader fails */
#define DEFAULT_APP_TYPE  0x11130
#define DEFAULT_APP_TYPE_RX_PATH  0x11130
#define DEFAULT_APP_TYPE_TX_PATH 0x11132

#define SAMPLE_RATE_8KHZ  8000
#define SAMPLE_RATE_16KHZ 16000

#define MAX_SET_CAL_BYTE_SIZE 65536

/* Mixer path names */
#define AFE_SIDETONE_MIXER_PATH "afe-sidetone"

#define AUDIO_PARAMETER_KEY_FLUENCE_TYPE  "fluence"
#define AUDIO_PARAMETER_KEY_SLOWTALK      "st_enable"
#define AUDIO_PARAMETER_KEY_HD_VOICE      "hd_voice"
#define AUDIO_PARAMETER_KEY_VOLUME_BOOST  "volume_boost"
#define AUDIO_PARAMETER_KEY_AUD_CALDATA   "cal_data"
#define AUDIO_PARAMETER_KEY_AUD_CALRESULT "cal_result"

#define AUDIO_PARAMETER_KEY_MONO_SPEAKER "mono_speaker"

/* Reload ACDB files from specified path */
#define AUDIO_PARAMETER_KEY_RELOAD_ACDB "reload_acdb"

/* Query external audio device connection status */
#define AUDIO_PARAMETER_KEY_EXT_AUDIO_DEVICE "ext_audio_device"

#define EVENT_EXTERNAL_SPK_1 "qc_ext_spk_1"
#define EVENT_EXTERNAL_SPK_2 "qc_ext_spk_2"
#define EVENT_EXTERNAL_MIC   "qc_ext_mic"
#define MAX_CAL_NAME 20
#define MAX_MIME_TYPE_LENGTH 30

#define GET_IN_DEVICE_INDEX(SND_DEVICE) ((SND_DEVICE) - (SND_DEVICE_IN_BEGIN))

char cal_name_info[WCD9XXX_MAX_CAL][MAX_CAL_NAME] = {
        [WCD9XXX_ANC_CAL] = "anc_cal",
        [WCD9XXX_MBHC_CAL] = "mbhc_cal",
        [WCD9XXX_VBAT_CAL] = "vbat_cal",
};

#define AUDIO_PARAMETER_KEY_REC_PLAY_CONC "rec_play_conc_on"

#define  AUDIO_PARAMETER_IS_HW_DECODER_SESSION_AVAILABLE  "is_hw_dec_session_available"

static char *default_rx_backend = NULL;

#ifdef DYNAMIC_LOG_ENABLED
extern void log_utils_init(void);
extern void log_utils_deinit(void);
#endif

char dsp_only_decoders_mime[][MAX_MIME_TYPE_LENGTH] = {
    "audio/x-ms-wma" /* wma*/ ,
    "audio/x-ms-wma-lossless" /* wma lossless */ ,
    "audio/x-ms-wma-pro" /* wma prop */ ,
    "audio/amr-wb-plus" /* amr wb plus */ ,
    "audio/alac"  /*alac */ ,
    "audio/x-ape" /*ape */,
};

enum {
	VOICE_FEATURE_SET_DEFAULT,
	VOICE_FEATURE_SET_VOLUME_BOOST
};

struct audio_block_header
{
    int reserved;
    int length;
};

enum {
    CAL_MODE_SEND           = 0x1,
    CAL_MODE_PERSIST        = 0x2,
    CAL_MODE_RTAC           = 0x4
};

acdb_loader_get_calibration_t acdb_loader_get_calibration;

typedef struct codec_backend_cfg {
    uint32_t sample_rate;
    uint32_t bit_width;
    uint32_t channels;
    uint32_t format;
    char     *bitwidth_mixer_ctl;
    char     *samplerate_mixer_ctl;
    char     *channels_mixer_ctl;
} codec_backend_cfg_t;

static native_audio_prop na_props = {0, 0, NATIVE_AUDIO_MODE_INVALID};
static bool supports_true_32_bit = false;

static int max_be_dai_names = 0;
static const struct be_dai_name_struct *be_dai_name_table;

struct platform_data {
    struct audio_device *adev;
    bool fluence_in_spkr_mode;
    bool fluence_in_voice_call;
    bool fluence_in_voice_rec;
    bool fluence_in_audio_rec;
    bool fluence_in_hfp_call;
    bool external_spk_1;
    bool external_spk_2;
    bool external_mic;
    bool speaker_lr_swap;
    int  fluence_type;
    char fluence_cap[PROPERTY_VALUE_MAX];
    int  fluence_mode;
    bool slowtalk;
    bool hd_voice;
    bool ec_ref_enabled;
    bool is_wsa_speaker;
    bool is_acdb_initialized;
    bool hifi_audio;
    /* Vbat monitor related flags */
    bool is_vbat_speaker;
    bool gsm_mode_enabled;
    int mono_speaker;
    /* Audio calibration related functions */
    void                       *acdb_handle;
    int                        voice_feature_set;
    acdb_init_t                acdb_init;
    acdb_init_v3_t             acdb_init_v3;
    acdb_init_v4_t             acdb_init_v4;
    acdb_deallocate_t          acdb_deallocate;
    acdb_send_audio_cal_t      acdb_send_audio_cal;
    acdb_send_audio_cal_v3_t   acdb_send_audio_cal_v3;
    acdb_set_audio_cal_t       acdb_set_audio_cal;
    acdb_get_audio_cal_t       acdb_get_audio_cal;
    acdb_send_voice_cal_t      acdb_send_voice_cal;
    acdb_reload_vocvoltable_t  acdb_reload_vocvoltable;
    acdb_get_default_app_type_t acdb_get_default_app_type;
    acdb_send_common_top_t     acdb_send_common_top;
    acdb_set_codec_data_t      acdb_set_codec_data;
    acdb_reload_t              acdb_reload;
    acdb_reload_v2_t           acdb_reload_v2;
#ifdef RECORD_PLAY_CONCURRENCY
    bool rec_play_conc_set;
#endif
    void *hw_info;
    acdb_send_gain_dep_cal_t   acdb_send_gain_dep_cal;
    struct csd_data *csd;
    void *edid_info;
    bool edid_valid;
    int ext_disp_type;
    codec_backend_cfg_t current_backend_cfg[MAX_CODEC_BACKENDS];
    char ec_ref_mixer_path[64];
    char codec_version[CODEC_VERSION_MAX_LENGTH];
    int hw_dep_fd;
    char cvd_version[MAX_CVD_VERSION_STRING_SIZE];
    char snd_card_name[MAX_SND_CARD_STRING_SIZE];
    int source_mic_type;
    int max_mic_count;
    bool is_dsd_supported;
    bool is_asrc_supported;
    struct listnode acdb_meta_key_list;
    bool use_generic_handset;
    struct acdb_init_data_v4 acdb_init_data;
};

static bool is_external_codec = false;
static bool is_slimbus_interface = false;

int pcm_device_table[AUDIO_USECASE_MAX][2] = {
    [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {DEEP_BUFFER_PCM_DEVICE,
                                            DEEP_BUFFER_PCM_DEVICE},
    [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE,
                                           LOWLATENCY_PCM_DEVICE},
    [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {MULTIMEDIA2_PCM_DEVICE,
                                        MULTIMEDIA2_PCM_DEVICE},
    [USECASE_AUDIO_PLAYBACK_HIFI] = {MULTIMEDIA2_PCM_DEVICE,
                                     MULTIMEDIA2_PCM_DEVICE},
    [USECASE_AUDIO_PLAYBACK_OFFLOAD] =
                     {PLAYBACK_OFFLOAD_DEVICE, PLAYBACK_OFFLOAD_DEVICE},
    /* Below entries are initialized with invalid values
     * Valid values should be updated from fnc platform_info_init()
     * based on pcm ids defined in audio_platform_info.xml.
     */
    [USECASE_AUDIO_PLAYBACK_OFFLOAD2] = {-1, -1},
    [USECASE_AUDIO_PLAYBACK_OFFLOAD3] = {-1, -1},
    [USECASE_AUDIO_PLAYBACK_OFFLOAD4] = {-1, -1},
    [USECASE_AUDIO_PLAYBACK_OFFLOAD5] = {-1, -1},
    [USECASE_AUDIO_PLAYBACK_OFFLOAD6] = {-1, -1},
    [USECASE_AUDIO_PLAYBACK_OFFLOAD7] = {-1, -1},
    [USECASE_AUDIO_PLAYBACK_OFFLOAD8] = {-1, -1},
    [USECASE_AUDIO_PLAYBACK_OFFLOAD9] = {-1, -1},
    [USECASE_AUDIO_PLAYBACK_ULL] = {MULTIMEDIA3_PCM_DEVICE, MULTIMEDIA3_PCM_DEVICE},
    [USECASE_AUDIO_RECORD] = {AUDIO_RECORD_PCM_DEVICE, AUDIO_RECORD_PCM_DEVICE},
    [USECASE_AUDIO_RECORD_COMPRESS] = {COMPRESS_CAPTURE_DEVICE, COMPRESS_CAPTURE_DEVICE},
    [USECASE_AUDIO_RECORD_COMPRESS2] = {-1, -1},
    [USECASE_AUDIO_RECORD_COMPRESS3] = {-1, -1},
    [USECASE_AUDIO_RECORD_COMPRESS4] = {-1, -1},
    [USECASE_AUDIO_RECORD_COMPRESS5] = {-1, -1},
    [USECASE_AUDIO_RECORD_COMPRESS6] = {-1, -1},

    [USECASE_AUDIO_RECORD_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE,
                                          LOWLATENCY_PCM_DEVICE},
    [USECASE_AUDIO_RECORD_FM_VIRTUAL] = {MULTIMEDIA2_PCM_DEVICE,
                                  MULTIMEDIA2_PCM_DEVICE},
    [USECASE_AUDIO_RECORD_HIFI] = {MULTIMEDIA2_PCM_DEVICE,
                                   MULTIMEDIA2_PCM_DEVICE},
    [USECASE_AUDIO_PLAYBACK_FM] = {FM_PLAYBACK_PCM_DEVICE, FM_CAPTURE_PCM_DEVICE},
    [USECASE_AUDIO_HFP_SCO] = {HFP_PCM_RX, HFP_SCO_RX},
    [USECASE_AUDIO_HFP_SCO_WB] = {HFP_PCM_RX, HFP_SCO_RX},
    [USECASE_VOICE_CALL] = {VOICE_CALL_PCM_DEVICE, VOICE_CALL_PCM_DEVICE},
    [USECASE_VOICE2_CALL] = {VOICE2_CALL_PCM_DEVICE, VOICE2_CALL_PCM_DEVICE},
    [USECASE_AUDIO_PLAYBACK_MMAP] = {MMAP_PLAYBACK_PCM_DEVICE,
                                     MMAP_PLAYBACK_PCM_DEVICE},
    [USECASE_AUDIO_RECORD_MMAP] = {MMAP_RECORD_PCM_DEVICE,
                                   MMAP_RECORD_PCM_DEVICE},
    [USECASE_VOLTE_CALL] = {VOLTE_CALL_PCM_DEVICE, VOLTE_CALL_PCM_DEVICE},
    [USECASE_QCHAT_CALL] = {QCHAT_CALL_PCM_DEVICE, QCHAT_CALL_PCM_DEVICE},
    [USECASE_VOWLAN_CALL] = {VOWLAN_CALL_PCM_DEVICE, VOWLAN_CALL_PCM_DEVICE},
    [USECASE_VOICEMMODE1_CALL] = {-1, -1}, /* pcm ids updated from platform info file */
    [USECASE_VOICEMMODE2_CALL] = {-1, -1}, /* pcm ids updated from platform info file */
    [USECASE_COMPRESS_VOIP_CALL] = {COMPRESS_VOIP_CALL_PCM_DEVICE, COMPRESS_VOIP_CALL_PCM_DEVICE},
    [USECASE_INCALL_REC_UPLINK] = {AUDIO_RECORD_PCM_DEVICE,
                                   AUDIO_RECORD_PCM_DEVICE},
    [USECASE_INCALL_REC_DOWNLINK] = {AUDIO_RECORD_PCM_DEVICE,
                                     AUDIO_RECORD_PCM_DEVICE},
    [USECASE_INCALL_REC_UPLINK_AND_DOWNLINK] = {AUDIO_RECORD_PCM_DEVICE,
                                                AUDIO_RECORD_PCM_DEVICE},
    [USECASE_INCALL_REC_UPLINK_COMPRESS] = {COMPRESS_CAPTURE_DEVICE,
                                            COMPRESS_CAPTURE_DEVICE},
    [USECASE_INCALL_REC_DOWNLINK_COMPRESS] = {COMPRESS_CAPTURE_DEVICE,
                                              COMPRESS_CAPTURE_DEVICE},
    [USECASE_INCALL_REC_UPLINK_AND_DOWNLINK_COMPRESS] = {COMPRESS_CAPTURE_DEVICE,
                                                         COMPRESS_CAPTURE_DEVICE},
    [USECASE_INCALL_MUSIC_UPLINK] = {INCALL_MUSIC_UPLINK_PCM_DEVICE,
                                     INCALL_MUSIC_UPLINK_PCM_DEVICE},
    [USECASE_INCALL_MUSIC_UPLINK2] = {INCALL_MUSIC_UPLINK2_PCM_DEVICE,
                                      INCALL_MUSIC_UPLINK2_PCM_DEVICE},
    [USECASE_AUDIO_SPKR_CALIB_RX] = {SPKR_PROT_CALIB_RX_PCM_DEVICE, -1},
    [USECASE_AUDIO_SPKR_CALIB_TX] = {-1, SPKR_PROT_CALIB_TX_PCM_DEVICE},
    [USECASE_AUDIO_PLAYBACK_AFE_PROXY] = {AFE_PROXY_PLAYBACK_PCM_DEVICE,
                                          AFE_PROXY_RECORD_PCM_DEVICE},
    [USECASE_AUDIO_RECORD_AFE_PROXY] = {AFE_PROXY_PLAYBACK_PCM_DEVICE,
                                        AFE_PROXY_RECORD_PCM_DEVICE},
    [USECASE_AUDIO_PLAYBACK_SILENCE] = {MULTIMEDIA9_PCM_DEVICE, -1},
    [USECASE_AUDIO_TRANSCODE_LOOPBACK] = {TRANSCODE_LOOPBACK_RX_DEV_ID, TRANSCODE_LOOPBACK_TX_DEV_ID},
    [USECASE_AUDIO_PLAYBACK_VOIP] = {AUDIO_PLAYBACK_VOIP_PCM_DEVICE, AUDIO_PLAYBACK_VOIP_PCM_DEVICE},
    [USECASE_AUDIO_RECORD_VOIP] = {AUDIO_RECORD_VOIP_PCM_DEVICE, AUDIO_RECORD_VOIP_PCM_DEVICE},

    [USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM1] =
                     {PLAYBACK_INTERACTIVE_STRM_DEVICE1, PLAYBACK_INTERACTIVE_STRM_DEVICE1},
    [USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM2] =
                     {PLAYBACK_INTERACTIVE_STRM_DEVICE2, PLAYBACK_INTERACTIVE_STRM_DEVICE2},
    [USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM3] =
                     {PLAYBACK_INTERACTIVE_STRM_DEVICE3, PLAYBACK_INTERACTIVE_STRM_DEVICE3},
    [USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM4] =
                     {PLAYBACK_INTERACTIVE_STRM_DEVICE4, PLAYBACK_INTERACTIVE_STRM_DEVICE4},
    [USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM5] =
                     {PLAYBACK_INTERACTIVE_STRM_DEVICE5, PLAYBACK_INTERACTIVE_STRM_DEVICE5},
    [USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM6] =
                     {PLAYBACK_INTERACTIVE_STRM_DEVICE6, PLAYBACK_INTERACTIVE_STRM_DEVICE6},
    [USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM7] =
                     {PLAYBACK_INTERACTIVE_STRM_DEVICE7, PLAYBACK_INTERACTIVE_STRM_DEVICE7},
    [USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM8] =
                     {PLAYBACK_INTERACTIVE_STRM_DEVICE8, PLAYBACK_INTERACTIVE_STRM_DEVICE8},
    [USECASE_AUDIO_EC_REF_LOOPBACK] = {-1, -1}, /* pcm id updated from platform info file */
};

/* Array to store sound devices */
static const char * const device_table[SND_DEVICE_MAX] = {
    [SND_DEVICE_NONE] = "none",
    /* Playback sound devices */
    [SND_DEVICE_OUT_HANDSET] = "handset",
    [SND_DEVICE_OUT_SPEAKER] = "speaker",
    [SND_DEVICE_OUT_SPEAKER_EXTERNAL_1] = "speaker-ext-1",
    [SND_DEVICE_OUT_SPEAKER_EXTERNAL_2] = "speaker-ext-2",
    [SND_DEVICE_OUT_SPEAKER_WSA] = "wsa-speaker",
    [SND_DEVICE_OUT_SPEAKER_VBAT] = "vbat-speaker",
    [SND_DEVICE_OUT_SPEAKER_REVERSE] = "speaker-reverse",
    [SND_DEVICE_OUT_HEADPHONES] = "headphones",
    [SND_DEVICE_OUT_HEADPHONES_DSD] = "headphones-dsd",
    [SND_DEVICE_OUT_HEADPHONES_44_1] = "headphones-44.1",
    [SND_DEVICE_OUT_LINE] = "line",
    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones",
    [SND_DEVICE_OUT_SPEAKER_AND_LINE] = "speaker-and-line",
    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_1] = "speaker-and-headphones-ext-1",
    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_2] = "speaker-and-headphones-ext-2",
    [SND_DEVICE_OUT_VOICE_HANDSET] = "voice-handset",
    [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker",
    [SND_DEVICE_OUT_VOICE_SPEAKER_WSA] = "wsa-voice-speaker",
    [SND_DEVICE_OUT_VOICE_SPEAKER_VBAT] = "vbat-voice-speaker",
    [SND_DEVICE_OUT_VOICE_SPEAKER_2] = "voice-speaker-2",
    [SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA] = "wsa-voice-speaker-2",
    [SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT] = "vbat-voice-speaker-2",
    [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones",
    [SND_DEVICE_OUT_VOICE_LINE] = "voice-line",
    [SND_DEVICE_OUT_HDMI] = "hdmi",
    [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi",
    [SND_DEVICE_OUT_DISPLAY_PORT] = "display-port",
    [SND_DEVICE_OUT_SPEAKER_AND_DISPLAY_PORT] = "speaker-and-display-port",
    [SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset",
    [SND_DEVICE_OUT_BT_SCO_WB] = "bt-sco-headset-wb",
    [SND_DEVICE_OUT_BT_A2DP] = "bt-a2dp",
    [SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = "speaker-and-bt-a2dp",
    [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
    [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
    [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
    [SND_DEVICE_OUT_VOICE_TX] = "voice-tx",
    [SND_DEVICE_OUT_AFE_PROXY] = "afe-proxy",
    [SND_DEVICE_OUT_USB_HEADSET] = "usb-headset",
    [SND_DEVICE_OUT_VOICE_USB_HEADSET] = "usb-headset",
    [SND_DEVICE_OUT_USB_HEADPHONES] = "usb-headphones",
    [SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = "usb-headphones",
    [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = "speaker-and-usb-headphones",
    [SND_DEVICE_OUT_TRANSMISSION_FM] = "transmission-fm",
    [SND_DEVICE_OUT_ANC_HEADSET] = "anc-headphones",
    [SND_DEVICE_OUT_ANC_FB_HEADSET] = "anc-fb-headphones",
    [SND_DEVICE_OUT_VOICE_ANC_HEADSET] = "voice-anc-headphones",
    [SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET] = "voice-anc-fb-headphones",
    [SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_HEADPHONES] = "voice-speaker-and-voice-headphones",
    [SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_ANC_HEADSET] = "voice-speaker-and-voice-anc-headphones",
    [SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET] = "speaker-and-anc-headphones",
    [SND_DEVICE_OUT_ANC_HANDSET] = "anc-handset",
    [SND_DEVICE_OUT_SPEAKER_PROTECTED] = "speaker-protected",
    [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED] = "voice-speaker-protected",
    [SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED] = "voice-speaker-2-protected",
    [SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT] = "speaker-protected-vbat",
    [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT] = "voice-speaker-protected-vbat",
    [SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT] = "voice-speaker-2-protected-vbat",
    [SND_DEVICE_OUT_SPEAKER_PROTECTED_RAS] = "speaker-protected",
    [SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT_RAS] = "speaker-protected-vbat",
    [SND_DEVICE_OUT_SPEAKER_AND_BT_SCO] = "speaker-and-bt-sco",
    [SND_DEVICE_OUT_SPEAKER_AND_BT_SCO_WB] = "speaker-and-bt-sco-wb",
#ifdef RECORD_PLAY_CONCURRENCY
    [SND_DEVICE_OUT_VOIP_HANDSET] = "voip-handset",
    [SND_DEVICE_OUT_VOIP_SPEAKER] = "voip-speaker",
    [SND_DEVICE_OUT_VOIP_HEADPHONES] = "voip-headphones",
#endif

    /* Capture sound devices */
    [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
    [SND_DEVICE_IN_HANDSET_MIC_EXTERNAL] = "handset-mic-ext",
    [SND_DEVICE_IN_HANDSET_MIC_AEC] = "handset-mic",
    [SND_DEVICE_IN_HANDSET_MIC_NS] = "handset-mic",
    [SND_DEVICE_IN_HANDSET_MIC_AEC_NS] = "handset-mic",
    [SND_DEVICE_IN_HANDSET_DMIC] = "dmic-endfire",
    [SND_DEVICE_IN_HANDSET_DMIC_AEC] = "dmic-endfire",
    [SND_DEVICE_IN_HANDSET_DMIC_NS] = "dmic-endfire",
    [SND_DEVICE_IN_HANDSET_DMIC_AEC_NS] = "dmic-endfire",
    [SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic",
    [SND_DEVICE_IN_SPEAKER_MIC_AEC] = "speaker-mic",
    [SND_DEVICE_IN_SPEAKER_MIC_NS] = "speaker-mic",
    [SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = "speaker-mic",
    [SND_DEVICE_IN_SPEAKER_DMIC] = "speaker-dmic-endfire",
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC] = "speaker-dmic-endfire",
    [SND_DEVICE_IN_SPEAKER_DMIC_NS] = "speaker-dmic-endfire",
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = "speaker-dmic-endfire",
    [SND_DEVICE_IN_HEADSET_MIC] = "headset-mic",
    [SND_DEVICE_IN_HEADSET_MIC_FLUENCE] = "headset-mic",
    [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic",
    [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic",
    [SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic",
    [SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic",
    [SND_DEVICE_IN_BT_SCO_MIC_NREC] = "bt-sco-mic",
    [SND_DEVICE_IN_BT_SCO_MIC_WB] = "bt-sco-mic-wb",
    [SND_DEVICE_IN_BT_SCO_MIC_WB_NREC] = "bt-sco-mic-wb",
    [SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic",
    [SND_DEVICE_IN_VOICE_DMIC] = "voice-dmic-ef",
    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = "voice-speaker-dmic-ef",
    [SND_DEVICE_IN_VOICE_SPEAKER_QMIC] = "voice-speaker-qmic",
    [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic",
    [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic",
    [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic",
    [SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic",
    [SND_DEVICE_IN_VOICE_REC_MIC_NS] = "voice-rec-mic",
    [SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = "voice-rec-dmic-ef",
    [SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = "voice-rec-dmic-ef-fluence",
    [SND_DEVICE_IN_VOICE_RX] = "voice-rx",
    [SND_DEVICE_IN_USB_HEADSET_MIC] = "usb-headset-mic",
    [SND_DEVICE_IN_VOICE_USB_HEADSET_MIC] ="usb-headset-mic",
    [SND_DEVICE_IN_USB_HEADSET_MIC_AEC] = "usb-headset-mic",
    [SND_DEVICE_IN_UNPROCESSED_USB_HEADSET_MIC] = "usb-headset-mic",
    [SND_DEVICE_IN_VOICE_RECOG_USB_HEADSET_MIC] = "usb-headset-mic",
    [SND_DEVICE_IN_CAPTURE_FM] = "capture-fm",
    [SND_DEVICE_IN_AANC_HANDSET_MIC] = "aanc-handset-mic",
    [SND_DEVICE_IN_QUAD_MIC] = "quad-mic",
    [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = "handset-stereo-dmic-ef",
    [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = "speaker-stereo-dmic-ef",
    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = "vi-feedback",
    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_1] = "vi-feedback-mono-1",
    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_2] = "vi-feedback-mono-2",
    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE] = "voice-speaker-dmic-broadside",
    [SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE] = "speaker-dmic-broadside",
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE] = "speaker-dmic-broadside",
    [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = "speaker-dmic-broadside",
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = "speaker-dmic-broadside",
    [SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC] = "aanc-fluence-dmic-handset",
    [SND_DEVICE_IN_HANDSET_QMIC] = "quad-mic",
    [SND_DEVICE_IN_SPEAKER_QMIC_AEC] = "quad-mic",
    [SND_DEVICE_IN_SPEAKER_QMIC_NS] = "quad-mic",
    [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = "quad-mic",
    [SND_DEVICE_IN_THREE_MIC] = "three-mic",
    [SND_DEVICE_IN_HANDSET_TMIC] = "three-mic",
    [SND_DEVICE_IN_VOICE_REC_TMIC] = "three-mic",
    [SND_DEVICE_IN_UNPROCESSED_MIC] = "unprocessed-mic",
    [SND_DEVICE_IN_UNPROCESSED_STEREO_MIC] = "voice-rec-dmic-ef",
    [SND_DEVICE_IN_UNPROCESSED_THREE_MIC] = "three-mic",
    [SND_DEVICE_IN_UNPROCESSED_QUAD_MIC] = "quad-mic",
    [SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC] = "headset-mic",
    [SND_DEVICE_IN_HANDSET_6MIC] = "handset-6mic",
    [SND_DEVICE_IN_HANDSET_8MIC] = "handset-8mic",
    [SND_DEVICE_IN_EC_REF_LOOPBACK_MONO] = "ec-ref-loopback-mono",
    [SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO] = "ec-ref-loopback-stereo",
    [SND_DEVICE_IN_HANDSET_GENERIC_QMIC] = "quad-mic",
};

// Platform specific backend bit width table
static int backend_bit_width_table[SND_DEVICE_MAX] = {0};

static struct audio_effect_config effect_config_table[GET_IN_DEVICE_INDEX(SND_DEVICE_MAX)][EFFECT_MAX] = {
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS)][EFFECT_AEC] = {TX_VOICE_FLUENCE_PROV2, 0x0, 0x10EAF, 0x01},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS)][EFFECT_NS] = {TX_VOICE_FLUENCE_PROV2,  0x0, 0x10EAF, 0x02},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE)][EFFECT_AEC] = {TX_VOICE_DM_FV5_BROADSIDE, 0x0,
                                                                 0x10EAF, 0x01},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE)][EFFECT_NS] = {TX_VOICE_DM_FV5_BROADSIDE, 0x0,
                                                                0x10EAF, 0x02},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS)][EFFECT_AEC] = {TX_VOICE_FV5ECNS_DM, 0x0, 0x10EAF, 0x01},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS)][EFFECT_NS] = {TX_VOICE_FV5ECNS_DM, 0x0, 0x10EAF, 0x02},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_SPEAKER_MIC_AEC_NS)][EFFECT_AEC] = {TX_VOICE_FV5ECNS_SM, 0x0, 0x10EAF, 0x01},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_SPEAKER_MIC_AEC_NS)][EFFECT_NS] = {TX_VOICE_FV5ECNS_SM, 0x0, 0x10EAF, 0x02},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_HANDSET_DMIC_AEC_NS)][EFFECT_AEC] = {TX_VOICE_FV5ECNS_DM, 0x0, 0x10EAF, 0x01},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_HANDSET_DMIC_AEC_NS)][EFFECT_NS] = {TX_VOICE_FV5ECNS_DM, 0x0, 0x10EAF, 0x02},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_HANDSET_MIC_AEC_NS)][EFFECT_AEC] = {TX_VOICE_FV5ECNS_SM, 0x0, 0x10EAF, 0x01},
    [GET_IN_DEVICE_INDEX(SND_DEVICE_IN_HANDSET_MIC_AEC_NS)][EFFECT_NS] = {TX_VOICE_FV5ECNS_SM, 0x0, 0x10EAF, 0x02},
};

/* ACDB IDs (audio DSP path configuration IDs) for each sound device */
static int acdb_device_table[SND_DEVICE_MAX] = {
    [SND_DEVICE_NONE] = -1,
    [SND_DEVICE_OUT_HANDSET] = 7,
    [SND_DEVICE_OUT_SPEAKER] = 14,
    [SND_DEVICE_OUT_SPEAKER_EXTERNAL_1] = 14,
    [SND_DEVICE_OUT_SPEAKER_EXTERNAL_2] = 14,
    [SND_DEVICE_OUT_SPEAKER_WSA] = 135,
    [SND_DEVICE_OUT_SPEAKER_VBAT] = 135,
    [SND_DEVICE_OUT_SPEAKER_REVERSE] = 14,
    [SND_DEVICE_OUT_LINE] = 10,
    [SND_DEVICE_OUT_HEADPHONES] = 10,
    [SND_DEVICE_OUT_HEADPHONES_DSD] = 10,
    [SND_DEVICE_OUT_HEADPHONES_44_1] = 10,
    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = 10,
    [SND_DEVICE_OUT_SPEAKER_AND_LINE] = 10,
    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_1] = 10,
    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_2] = 10,
    [SND_DEVICE_OUT_VOICE_HANDSET] = 7,
    [SND_DEVICE_OUT_VOICE_LINE] = 10,
    [SND_DEVICE_OUT_VOICE_SPEAKER] = 14,
    [SND_DEVICE_OUT_VOICE_SPEAKER_2] = 14,
    [SND_DEVICE_OUT_VOICE_SPEAKER_WSA] = 135,
    [SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA] = 135,
    [SND_DEVICE_OUT_VOICE_SPEAKER_VBAT] = 135,
    [SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT] = 135,
    [SND_DEVICE_OUT_VOICE_HEADPHONES] = 10,
    [SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_HEADPHONES] = 10,
    [SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_ANC_HEADSET] = 10,
    [SND_DEVICE_OUT_HDMI] = 18,
    [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 14,
    [SND_DEVICE_OUT_DISPLAY_PORT] = 18,
    [SND_DEVICE_OUT_SPEAKER_AND_DISPLAY_PORT] = 14,
    [SND_DEVICE_OUT_BT_SCO] = 22,
    [SND_DEVICE_OUT_BT_SCO_WB] = 39,
    [SND_DEVICE_OUT_BT_A2DP] = 20,
    [SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = 14,
    [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
    [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
    [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
    [SND_DEVICE_OUT_VOICE_TX] = 45,
    [SND_DEVICE_OUT_AFE_PROXY] = 0,
    [SND_DEVICE_OUT_USB_HEADSET] = 45,
    [SND_DEVICE_OUT_VOICE_USB_HEADSET] = 45,
    [SND_DEVICE_OUT_USB_HEADPHONES] = 45,
    [SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = 45,
    [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = 45,
    [SND_DEVICE_OUT_TRANSMISSION_FM] = 0,
    [SND_DEVICE_OUT_ANC_HEADSET] = 26,
    [SND_DEVICE_OUT_ANC_FB_HEADSET] = 27,
    [SND_DEVICE_OUT_VOICE_ANC_HEADSET] = 26,
    [SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET] = 27,
    [SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET] = 26,
    [SND_DEVICE_OUT_ANC_HANDSET] = 103,
    [SND_DEVICE_OUT_SPEAKER_PROTECTED] = 124,
    [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED] = 101,
    [SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED] = 101,
    [SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT] = 124,
    [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT] = 101,
    [SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT] = 101,
    [SND_DEVICE_OUT_SPEAKER_PROTECTED_RAS] = 134,
    [SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT_RAS] = 134,
#ifdef RECORD_PLAY_CONCURRENCY
    [SND_DEVICE_OUT_VOIP_HANDSET] = 133,
    [SND_DEVICE_OUT_VOIP_SPEAKER] = 132,
    [SND_DEVICE_OUT_VOIP_HEADPHONES] = 134,
#endif

    [SND_DEVICE_IN_HANDSET_MIC] = 4,
    [SND_DEVICE_IN_HANDSET_MIC_EXTERNAL] = 4,
    [SND_DEVICE_IN_HANDSET_MIC_AEC] = 106,
    [SND_DEVICE_IN_HANDSET_MIC_NS] = 107,
    [SND_DEVICE_IN_HANDSET_MIC_AEC_NS] = 108,
    [SND_DEVICE_IN_HANDSET_DMIC] = 41,
    [SND_DEVICE_IN_HANDSET_DMIC_AEC] = 109,
    [SND_DEVICE_IN_HANDSET_DMIC_NS] = 110,
    [SND_DEVICE_IN_HANDSET_DMIC_AEC_NS] = 111,
    [SND_DEVICE_IN_SPEAKER_MIC] = 11,
    [SND_DEVICE_IN_SPEAKER_MIC_AEC] = 112,
    [SND_DEVICE_IN_SPEAKER_MIC_NS] = 113,
    [SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = 114,
    [SND_DEVICE_IN_SPEAKER_DMIC] = 43,
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC] = 115,
    [SND_DEVICE_IN_SPEAKER_DMIC_NS] = 116,
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = 117,
    [SND_DEVICE_IN_HEADSET_MIC] = 8,
    [SND_DEVICE_IN_HEADSET_MIC_FLUENCE] = 47,
    [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11,
    [SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8,
    [SND_DEVICE_IN_HDMI_MIC] = 4,
    [SND_DEVICE_IN_BT_SCO_MIC] = 21,
    [SND_DEVICE_IN_BT_SCO_MIC_NREC] = 122,
    [SND_DEVICE_IN_BT_SCO_MIC_WB] = 38,
    [SND_DEVICE_IN_BT_SCO_MIC_WB_NREC] = 123,
    [SND_DEVICE_IN_CAMCORDER_MIC] = 4,
    [SND_DEVICE_IN_VOICE_DMIC] = 41,
    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = 43,
    [SND_DEVICE_IN_VOICE_SPEAKER_QMIC] = 19,
    [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16,
    [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = 36,
    [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = 16,
    [SND_DEVICE_IN_VOICE_REC_MIC] = 4,
    [SND_DEVICE_IN_VOICE_REC_MIC_NS] = 107,
    [SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = 34,
    [SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = 41,
    [SND_DEVICE_IN_VOICE_RX] = 44,
    [SND_DEVICE_IN_USB_HEADSET_MIC] = 44,
    [SND_DEVICE_IN_VOICE_USB_HEADSET_MIC] = 44,
    [SND_DEVICE_IN_UNPROCESSED_USB_HEADSET_MIC] = 44,
    [SND_DEVICE_IN_VOICE_RECOG_USB_HEADSET_MIC] = 44,
    [SND_DEVICE_IN_USB_HEADSET_MIC_AEC] = 44,
    [SND_DEVICE_IN_CAPTURE_FM] = 0,
    [SND_DEVICE_IN_AANC_HANDSET_MIC] = 104,
    [SND_DEVICE_IN_QUAD_MIC] = 46,
    [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = 34,
    [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = 35,
    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = 102,
    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_1] = 102,
    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_2] = 102,
    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE] = 12,
    [SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE] = 12,
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE] = 119,
    [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = 121,
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = 120,
    [SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC] = 105,
    [SND_DEVICE_IN_HANDSET_QMIC] = 125,
    [SND_DEVICE_IN_SPEAKER_QMIC_AEC] = 126,
    [SND_DEVICE_IN_SPEAKER_QMIC_NS] = 127,
    [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = 129,
    [SND_DEVICE_IN_THREE_MIC] = 46, /* for APSS Surround Sound Recording */
    [SND_DEVICE_IN_HANDSET_TMIC] = 125, /* for 3mic recording with fluence */
    [SND_DEVICE_IN_VOICE_REC_TMIC] = 125,
    [SND_DEVICE_IN_UNPROCESSED_MIC] = 143,
    [SND_DEVICE_IN_UNPROCESSED_STEREO_MIC] = 144,
    [SND_DEVICE_IN_UNPROCESSED_THREE_MIC] = 145,
    [SND_DEVICE_IN_UNPROCESSED_QUAD_MIC] = 146,
    [SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC] = 147,
    [SND_DEVICE_IN_HANDSET_6MIC] = 4,
    [SND_DEVICE_IN_HANDSET_8MIC] = 4,
    [SND_DEVICE_IN_EC_REF_LOOPBACK_MONO] = 4,
    [SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO] = 4,
    [SND_DEVICE_IN_HANDSET_GENERIC_QMIC] = 150
};

struct name_to_index {
    char name[100];
    unsigned int index;
};

#define TO_NAME_INDEX(X)   #X, X

/* Used to get index from parsed sting */
static struct name_to_index snd_device_name_index[SND_DEVICE_MAX] = {
    {TO_NAME_INDEX(SND_DEVICE_OUT_HANDSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_EXTERNAL_1)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_EXTERNAL_2)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_WSA)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_VBAT)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_REVERSE)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_HEADPHONES)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_HEADPHONES_DSD)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_HEADPHONES_44_1)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_LINE)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_LINE)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_1)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_2)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HANDSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_WSA)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_VBAT)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_2)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HEADPHONES)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_LINE)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_HDMI)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_HDMI)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_DISPLAY_PORT)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_DISPLAY_PORT)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO_WB)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_BT_A2DP)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_BT_SCO)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_BT_SCO_WB)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TX)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_AFE_PROXY)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_USB_HEADSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_USB_HEADSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_USB_HEADPHONES)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_USB_HEADPHONES)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_TRANSMISSION_FM)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_ANC_HEADSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_ANC_FB_HEADSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_ANC_HEADSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_ANC_HANDSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_PROTECTED)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_PROTECTED_RAS)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT_RAS)},
#ifdef RECORD_PLAY_CONCURRENCY
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOIP_HANDSET)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOIP_SPEAKER)},
    {TO_NAME_INDEX(SND_DEVICE_OUT_VOIP_HEADPHONES)},
#endif
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_EXTERNAL)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_AEC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_AEC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_AEC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_AEC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_AEC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_AEC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HEADSET_MIC_FLUENCE)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HDMI_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC_NREC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC_WB)},
    {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC_WB_NREC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_CAMCORDER_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_DMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_DMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_QMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_MIC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_DMIC_STEREO)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_RX)},
    {TO_NAME_INDEX(SND_DEVICE_IN_USB_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_USB_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_USB_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_RECOG_USB_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_USB_HEADSET_MIC_AEC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_FM)},
    {TO_NAME_INDEX(SND_DEVICE_IN_AANC_HANDSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_QUAD_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_STEREO_DMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_STEREO_DMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_VI_FEEDBACK)},
    {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_1)},
    {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_2)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_QMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS)},
    {TO_NAME_INDEX(SND_DEVICE_IN_THREE_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_TMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_TMIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_STEREO_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_THREE_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_QUAD_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_6MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_8MIC)},
    {TO_NAME_INDEX(SND_DEVICE_IN_EC_REF_LOOPBACK_MONO)},
    {TO_NAME_INDEX(SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO)},
    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_GENERIC_QMIC)},
};

static char * backend_tag_table[SND_DEVICE_MAX] = {0};
static char * hw_interface_table[SND_DEVICE_MAX] = {0};

static struct name_to_index usecase_name_index[AUDIO_USECASE_MAX] = {
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_DEEP_BUFFER)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_LOW_LATENCY)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_MULTI_CH)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD2)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD3)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD4)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD5)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD6)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD7)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD8)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD9)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_MMAP)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_ULL)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS2)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS3)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS4)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS5)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS6)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_LOW_LATENCY)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_MMAP)},
    {TO_NAME_INDEX(USECASE_VOICE_CALL)},
    {TO_NAME_INDEX(USECASE_VOICE2_CALL)},
    {TO_NAME_INDEX(USECASE_VOLTE_CALL)},
    {TO_NAME_INDEX(USECASE_QCHAT_CALL)},
    {TO_NAME_INDEX(USECASE_VOWLAN_CALL)},
    {TO_NAME_INDEX(USECASE_VOICEMMODE1_CALL)},
    {TO_NAME_INDEX(USECASE_VOICEMMODE2_CALL)},
    {TO_NAME_INDEX(USECASE_INCALL_REC_UPLINK)},
    {TO_NAME_INDEX(USECASE_INCALL_REC_DOWNLINK)},
    {TO_NAME_INDEX(USECASE_INCALL_REC_UPLINK_AND_DOWNLINK)},
    {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO)},
    {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO_WB)},
    {TO_NAME_INDEX(USECASE_AUDIO_SPKR_CALIB_TX)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_SILENCE)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_FM)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_FM_VIRTUAL)},
    {TO_NAME_INDEX(USECASE_AUDIO_SPKR_CALIB_RX)},
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_AFE_PROXY)},
    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_AFE_PROXY)},
    {TO_NAME_INDEX(USECASE_AUDIO_EC_REF_LOOPBACK)},
};

#define NO_COLS 2
static int msm_be_id_array_len;
static int (*msm_device_to_be_id)[];

/* Below table lists output device to BE_ID mapping*/
/* Update the table based on the board configuration*/

static int msm_device_to_be_id_internal_codec [][NO_COLS] = {
       {AUDIO_DEVICE_OUT_EARPIECE                       ,       34},
       {AUDIO_DEVICE_OUT_SPEAKER                        ,       34},
       {AUDIO_DEVICE_OUT_WIRED_HEADSET                  ,       34},
       {AUDIO_DEVICE_OUT_WIRED_HEADPHONE                ,       34},
       {AUDIO_DEVICE_OUT_BLUETOOTH_SCO                  ,       11},
       {AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET          ,       11},
       {AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT           ,       11},
       {AUDIO_DEVICE_OUT_BLUETOOTH_A2DP                 ,       -1},
       {AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES      ,       -1},
       {AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER         ,       -1},
       {AUDIO_DEVICE_OUT_AUX_DIGITAL                    ,       4},
       {AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET              ,       9},
       {AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET              ,       9},
       {AUDIO_DEVICE_OUT_USB_ACCESSORY                  ,       -1},
       {AUDIO_DEVICE_OUT_USB_DEVICE                     ,       -1},
       {AUDIO_DEVICE_OUT_USB_HEADSET                    ,       -1},
       {AUDIO_DEVICE_OUT_REMOTE_SUBMIX                  ,       9},
       {AUDIO_DEVICE_OUT_PROXY                          ,       9},
       {AUDIO_DEVICE_OUT_FM                             ,       7},
       {AUDIO_DEVICE_OUT_FM_TX                          ,       8},
       {AUDIO_DEVICE_OUT_ALL                            ,      -1},
       {AUDIO_DEVICE_NONE                               ,      -1},
       {AUDIO_DEVICE_OUT_DEFAULT                        ,      -1},
};

static int msm_device_to_be_id_external_codec [][NO_COLS] = {
       {AUDIO_DEVICE_OUT_EARPIECE                       ,       2},
       {AUDIO_DEVICE_OUT_SPEAKER                        ,       2},
       {AUDIO_DEVICE_OUT_WIRED_HEADSET                  ,       41},
       {AUDIO_DEVICE_OUT_WIRED_HEADPHONE                ,       41},
       {AUDIO_DEVICE_OUT_BLUETOOTH_SCO                  ,       11},
       {AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET          ,       11},
       {AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT           ,       11},
       {AUDIO_DEVICE_OUT_BLUETOOTH_A2DP                 ,       -1},
       {AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES      ,       -1},
       {AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER         ,       -1},
       {AUDIO_DEVICE_OUT_AUX_DIGITAL                    ,       4},
       {AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET              ,       9},
       {AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET              ,       9},
       {AUDIO_DEVICE_OUT_USB_ACCESSORY                  ,       -1},
       {AUDIO_DEVICE_OUT_USB_DEVICE                     ,       -1},
       {AUDIO_DEVICE_OUT_USB_HEADSET                    ,       -1},
       {AUDIO_DEVICE_OUT_REMOTE_SUBMIX                  ,       9},
       {AUDIO_DEVICE_OUT_PROXY                          ,       9},
       {AUDIO_DEVICE_OUT_FM                             ,       7},
       {AUDIO_DEVICE_OUT_FM_TX                          ,       8},
       {AUDIO_DEVICE_OUT_ALL                            ,      -1},
       {AUDIO_DEVICE_NONE                               ,      -1},
       {AUDIO_DEVICE_OUT_DEFAULT                        ,      -1},
};


#define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)
#define PCM_OFFLOAD_PLATFORM_DELAY (30*1000LL)
#define LOW_LATENCY_PLATFORM_DELAY (13*1000LL)
#define ULL_PLATFORM_DELAY (6*1000LL)
#define MMAP_PLATFORM_DELAY (3*1000LL)

static const char *platform_get_mixer_control(struct mixer_ctl *);

static void update_interface(const char *snd_card_name) {
     if (!strncmp(snd_card_name, "apq8009-tashalite-snd-card",
                  sizeof("apq8009-tashalite-snd-card"))) {
         is_slimbus_interface = false;
     }
}

static void update_codec_type(const char *snd_card_name) {

     if (!strncmp(snd_card_name, "msm8939-tapan-snd-card",
                  sizeof("msm8939-tapan-snd-card")) ||
         !strncmp(snd_card_name, "msm8939-tapan9302-snd-card",
                  sizeof("msm8939-tapan9302-snd-card")) ||
         !strncmp(snd_card_name, "msm8939-tomtom9330-snd-card",
                  sizeof("msm8939-tomtom9330-snd-card")) ||
         !strncmp(snd_card_name, "msm8952-tomtom-snd-card",
                  sizeof("msm8952-tomtom-snd-card")) ||
         !strncmp(snd_card_name, "msm8953-sku3-tasha-snd-card",
                  sizeof("msm8953-sku3-tasha-snd-card")) ||
         !strncmp(snd_card_name, "msm8952-tasha-snd-card",
                  sizeof("msm8952-tasha-snd-card")) ||
         !strncmp(snd_card_name, "msm8952-tashalite-snd-card",
                  sizeof("msm8952-tashalite-snd-card")) ||
         !strncmp(snd_card_name, "msm8952-tasha-skun-snd-card",
                  sizeof("msm8952-tasha-skun-snd-card")) ||
         !strncmp(snd_card_name, "msm8976-tasha-snd-card",
                  sizeof("msm8976-tasha-snd-card")) ||
         !strncmp(snd_card_name, "msm8976-tashalite-snd-card",
                  sizeof("msm8976-tashalite-snd-card")) ||
         !strncmp(snd_card_name, "msm8976-tasha-skun-snd-card",
                  sizeof("msm8976-tasha-skun-snd-card"))  ||
         !strncmp(snd_card_name, "msm8937-tasha-snd-card",
                  sizeof("msm8937-tasha-snd-card")) ||
         !strncmp(snd_card_name, "msm8937-tashalite-snd-card",
                  sizeof("msm8937-tashalite-snd-card"))  ||
         !strncmp(snd_card_name, "msm8953-tasha-snd-card",
                  sizeof("msm8953-tasha-snd-card")) ||
         !strncmp(snd_card_name, "msm8953-tashalite-snd-card",
                  sizeof("msm8953-tashalite-snd-card")) ||
         !strncmp(snd_card_name, "sdm660-tasha-snd-card",
                  sizeof("sdm660-tasha-snd-card")) ||
         !strncmp(snd_card_name, "apq8009-tashalite-snd-card",
                  sizeof("apq8009-tashalite-snd-card")) ||
         !strncmp(snd_card_name, "apq8009-tashalite-snd-card-tdm",
                  sizeof("apq8009-tashalite-snd-card-tdm")) ||
         !strncmp(snd_card_name, "mdm9607-tomtom-i2s-snd-card",
                  sizeof("mdm9607-tomtom-i2s-snd-card")) ||
         !strncmp(snd_card_name, "mdm-tasha-i2s-snd-card",
                  sizeof("mdm-tasha-i2s-snd-card")) ||
         !strncmp(snd_card_name, "sdm660-tashalite-snd-card",
                  sizeof("sdm660-tashalite-snd-card")) ||
         !strncmp(snd_card_name, "sdm660-tasha-skus-snd-card",
                  sizeof("sdm660-tasha-skus-snd-card")) ||
         !strncmp(snd_card_name, "sdm660-tavil-snd-card",
                  sizeof("sdm660-tavil-snd-card")))
     {
         ALOGI("%s: snd_card_name: %s",__func__,snd_card_name);
         is_external_codec = true;
         is_slimbus_interface = true;
     }
}
static void query_platform(const char *snd_card_name,
                                      char *mixer_xml_path)
{
    if (!strncmp(snd_card_name, "msm8x16-snd-card-mtp",
                 sizeof("msm8x16-snd-card-mtp"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP,
                sizeof(MIXER_XML_PATH_MTP));

        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8x16-snd-card-sbc",
                 sizeof("msm8x16-snd-card-sbc"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SBC,
                sizeof(mixer_xml_path));

        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8x16-skuh-snd-card",
                 sizeof("msm8x16-skuh-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_QRD_SKUH,
                sizeof(MIXER_XML_PATH_QRD_SKUH));

        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8x16-skui-snd-card",
                 sizeof("msm8x16-skui-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_QRD_SKUI,
                sizeof(MIXER_XML_PATH_QRD_SKUI));

        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8x16-skuhf-snd-card",
                 sizeof("msm8x16-skuhf-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_QRD_SKUHF,
                sizeof(MIXER_XML_PATH_QRD_SKUHF));

        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8939-snd-card-mtp",
                 sizeof("msm8939-snd-card-mtp"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP,
                sizeof(MIXER_XML_PATH_MTP));

        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8939-snd-card-skuk",
                 sizeof("msm8939-snd-card-skuk"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUK,
                sizeof(MIXER_XML_PATH_SKUK));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8939-tapan-snd-card",
                 sizeof("msm8939-tapan-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9306,
                sizeof(MIXER_XML_PATH_WCD9306));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8939-tapan9302-snd-card",
                 sizeof("msm8939-tapan9302-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9306,
                sizeof(MIXER_XML_PATH_WCD9306));

        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8939-tomtom9330-snd-card",
                 sizeof("msm8939-tomtom9330-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9330,
                sizeof(MIXER_XML_PATH_WCD9330));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8976-tasha-snd-card",
                 sizeof("msm8976-tasha-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9335,
                sizeof(MIXER_XML_PATH_WCD9335));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8976-tashalite-snd-card",
                 sizeof("msm8976-tashalite-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9326,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8976-tasha-skun-snd-card",
                sizeof("msm8976-tasha-skun-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUN,
                sizeof(MIXER_XML_PATH_SKUN));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8909-skua-snd-card",
                 sizeof("msm8909-skua-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUA,
                sizeof(MIXER_XML_PATH_SKUA));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8909-skuc-snd-card",
                 sizeof("msm8909-skuc-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUC,
                sizeof(MIXER_XML_PATH_SKUC));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8909-skut-snd-card",
                 sizeof("msm8909-skut-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_QRD_SKUT,
                sizeof(MIXER_XML_PATH_QRD_SKUT));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    }  else if (!strncmp(snd_card_name, "msm8909-skuq-snd-card",
                 sizeof("msm8909-skuq-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_QRD_SKUT,
                sizeof(MIXER_XML_PATH_QRD_SKUT));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8909-pm8916-snd-card",
                 sizeof("msm8909-pm8916-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_MSM8909_PM8916,
                sizeof(MIXER_XML_PATH_MSM8909_PM8916));

        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8909-skue-snd-card",
                 sizeof("msm8909-skue-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUE,
                sizeof(MIXER_XML_PATH_SKUE));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8939-snd-card-skul",
                 sizeof("msm8939-snd-card-skul"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUL,
                sizeof(MIXER_XML_PATH_SKUL));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8952-snd-card-mtp",
                 sizeof("msm8952-snd-card-mtp"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP,
                sizeof(MIXER_XML_PATH_MTP));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    }  else if (!strncmp(snd_card_name, "msm8952-tomtom-snd-card",
                 sizeof("msm8952-tomtom-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9330,
                sizeof(MIXER_XML_PATH_WCD9330));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    }  else if (!strncmp(snd_card_name, "msm8952-sku1-snd-card",
                 sizeof("msm8952-sku1-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKU1,
                sizeof(MIXER_XML_PATH_SKU1));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    }  else if (!strncmp(snd_card_name, "msm8952-sku2-snd-card",
                 sizeof("msm8952-sku2-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKU2,
                sizeof(MIXER_XML_PATH_SKU2));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    }  else if (!strncmp(snd_card_name, "msm8953-sku3-tasha-snd-card",
                 sizeof("msm8953-sku3-tasha-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKU3,
                sizeof(MIXER_XML_PATH_SKU3));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8952-skum-snd-card",
                 sizeof("msm8952-skum-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUM,
                sizeof(MIXER_XML_PATH_SKUM));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8952-tasha-snd-card",
                 sizeof("msm8952-tasha-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9335,
                sizeof(MIXER_XML_PATH_WCD9335));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8952-tashalite-snd-card",
                 sizeof("msm8952-tashalite-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9326,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8976-skun-snd-card",
                 sizeof("msm8976-skun-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUN_CAJON,
                sizeof(MIXER_XML_PATH_SKUN_CAJON));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    } else if (!strncmp(snd_card_name, "msm8937-snd-card-mtp",
                 sizeof("msm8937-snd-card-mtp"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP,
                sizeof(MIXER_XML_PATH_MTP));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8937-tasha-snd-card",
                 sizeof("msm8937-tasha-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9335,
                sizeof(MIXER_XML_PATH_WCD9335));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8937-tashalite-snd-card",
                 sizeof("msm8937-tashalite-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9326,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8953-snd-card-mtp",
                 sizeof("msm8953-snd-card-mtp"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP,
                sizeof(MIXER_XML_PATH_MTP));
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8953-tasha-snd-card",
                 sizeof("msm8953-tasha-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9335,
                sizeof(MIXER_XML_PATH_WCD9335));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8953-tashalite-snd-card",
                 sizeof("msm8937-tashalite-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9326,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8917-tmo-snd-card",
                  sizeof("msm8917-tmo-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKU2,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8917-sku5-snd-card",
                  sizeof("msm8917-sku5-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKU2,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8940-sku6-snd-card",
                  sizeof("msm8940-sku6-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKU1,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "sdm660-snd-card",
                  sizeof("sdm660-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "sdm660-snd-card-mtp",
                  sizeof("sdm660-snd-card-mtp"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "sdm660-snd-card-skush",
                  sizeof("sdm660-snd-card-skush"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUSH,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
    } else if (!strncmp(snd_card_name, "sdm660-tasha-snd-card",
                 sizeof("sdm660-tasha-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9335,
                sizeof(MIXER_XML_PATH_WCD9335));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "sdm660-tashalite-snd-card",
                 sizeof("sdm660-tashalite-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9326,
                sizeof(MIXER_XML_PATH_WCD9326));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "sdm660-tasha-skus-snd-card",
                 sizeof("sdm660-tasha-skus-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKUS,
                sizeof(MIXER_XML_PATH_SKUS));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "sdm660-tavil-snd-card",
                 sizeof("sdm660-tavil-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9340,
                sizeof(MIXER_XML_PATH_WCD9340));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "msm8920-sku7-snd-card",
                  sizeof("msm8920-sku7-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_SKU1,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);
   } else if (!strncmp(snd_card_name, "apq8009-tashalite-snd-card",
                 sizeof("apq8009-tashalite-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9326_I2S,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
   } else if (!strncmp(snd_card_name, "apq8009-tashalite-snd-card-tdm",
                 sizeof("apq8009-tashalite-snd-card-tdm"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9326_I2S_TDM,
               MAX_MIXER_XML_PATH);
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else if (!strncmp(snd_card_name, "mdm9607-tomtom-i2s-snd-card",
                 sizeof("mdm9607-tomtom-i2s-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9330_I2S,
                sizeof(MIXER_XML_PATH_WCD9330_I2S));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
   } else if (!strncmp(snd_card_name, "mdm-tasha-i2s-snd-card",
                       sizeof("mdm-tasha-i2s-snd-card"))) {
        strlcpy(mixer_xml_path, MIXER_XML_PATH_WCD9335_I2S,
                sizeof(MIXER_XML_PATH_WCD9335_I2S));
        msm_device_to_be_id = msm_device_to_be_id_external_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_external_codec) / sizeof(msm_device_to_be_id_external_codec[0]);
    } else {
        strlcpy(mixer_xml_path, MIXER_XML_PATH,
                sizeof(MIXER_XML_PATH));

        msm_device_to_be_id = msm_device_to_be_id_internal_codec;
        msm_be_id_array_len  =
            sizeof(msm_device_to_be_id_internal_codec) / sizeof(msm_device_to_be_id_internal_codec[0]);

    }
}

void platform_set_echo_reference(struct audio_device *adev, bool enable,
                                 audio_devices_t out_device __unused)
{
    struct platform_data *my_data = (struct platform_data *)adev->platform;

    if (strcmp(my_data->ec_ref_mixer_path, "")) {
        ALOGV("%s: disabling %s", __func__, my_data->ec_ref_mixer_path);
        audio_route_reset_and_update_path(adev->audio_route,
            my_data->ec_ref_mixer_path);
    }

    if (enable) {
        if (adev->snd_dev_ref_cnt[SND_DEVICE_OUT_HEADPHONES_44_1] > 0)
            strlcpy(my_data->ec_ref_mixer_path, "echo-reference headphones-44.1",
                sizeof(my_data->ec_ref_mixer_path));
        else if (adev->snd_dev_ref_cnt[SND_DEVICE_OUT_SPEAKER_VBAT] > 0)
            strlcpy(my_data->ec_ref_mixer_path, "vbat-speaker echo-reference",
                sizeof(my_data->ec_ref_mixer_path));
        else
            strlcpy(my_data->ec_ref_mixer_path, "echo-reference",
                sizeof(my_data->ec_ref_mixer_path));


        ALOGD("%s: enabling %s", __func__, my_data->ec_ref_mixer_path);
        audio_route_apply_and_update_path(adev->audio_route,
            my_data->ec_ref_mixer_path);
    }
}
void platform_set_gsm_mode(void *platform, bool enable)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;

    if (my_data->gsm_mode_enabled) {
        my_data->gsm_mode_enabled = false;
        ALOGV("%s: disabling gsm mode", __func__);
        audio_route_reset_and_update_path(adev->audio_route, "gsm-mode");
    }

    if (enable) {
         my_data->gsm_mode_enabled = true;
         ALOGD("%s: enabling gsm mode", __func__);
         audio_route_apply_and_update_path(adev->audio_route, "gsm-mode");
    }
}

void close_csd_client(struct csd_data *csd)
{
    if (csd != NULL) {
        csd->deinit();
        dlclose(csd->csd_client);
        free(csd);
        csd = NULL;
    }
}


static void set_platform_defaults(struct platform_data * my_data)
{
    int32_t dev, count = 0;
    const char *MEDIA_MIMETYPE_AUDIO_ALAC = "audio/alac";
    const char *MEDIA_MIMETYPE_AUDIO_APE = "audio/x-ape";

    for (dev = 0; dev < SND_DEVICE_MAX; dev++) {
        backend_tag_table[dev] = NULL;
        hw_interface_table[dev] = NULL;
    }
    for (dev = 0; dev < SND_DEVICE_MAX; dev++) {
        backend_bit_width_table[dev] = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
    }

    // To overwrite these go to the audio_platform_info.xml file.
    backend_tag_table[SND_DEVICE_IN_BT_SCO_MIC] = strdup("bt-sco");
    backend_tag_table[SND_DEVICE_IN_BT_SCO_MIC_WB] = strdup("bt-sco-wb");
    backend_tag_table[SND_DEVICE_IN_BT_SCO_MIC_NREC] = strdup("bt-sco");
    backend_tag_table[SND_DEVICE_IN_BT_SCO_MIC_WB_NREC] = strdup("bt-sco-wb");
    backend_tag_table[SND_DEVICE_IN_HDMI_MIC] = strdup("hdmi-mic");
    backend_tag_table[SND_DEVICE_OUT_BT_SCO] = strdup("bt-sco");
    backend_tag_table[SND_DEVICE_OUT_BT_SCO_WB] = strdup("bt-sco-wb");
    backend_tag_table[SND_DEVICE_OUT_HDMI] = strdup("hdmi");
    backend_tag_table[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = strdup("speaker-and-hdmi");
    backend_tag_table[SND_DEVICE_OUT_DISPLAY_PORT] = strdup("display-port");
    backend_tag_table[SND_DEVICE_OUT_SPEAKER_AND_DISPLAY_PORT] = strdup("speaker-and-display-port");
    backend_tag_table[SND_DEVICE_OUT_VOICE_TX] = strdup("afe-proxy");
    backend_tag_table[SND_DEVICE_IN_VOICE_RX] = strdup("afe-proxy");
    backend_tag_table[SND_DEVICE_OUT_AFE_PROXY] = strdup("afe-proxy");
    backend_tag_table[SND_DEVICE_OUT_USB_HEADSET] = strdup("usb-headset");
    backend_tag_table[SND_DEVICE_OUT_VOICE_USB_HEADSET] = strdup("usb-headset");
    backend_tag_table[SND_DEVICE_OUT_USB_HEADPHONES] = strdup("usb-headphones");
    backend_tag_table[SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = strdup("usb-headphones");
    backend_tag_table[SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] =
        strdup("speaker-and-usb-headphones");
    backend_tag_table[SND_DEVICE_IN_USB_HEADSET_MIC] = strdup("usb-headset-mic");
    backend_tag_table[SND_DEVICE_IN_VOICE_USB_HEADSET_MIC] = strdup("usb-headset-mic");
    backend_tag_table[SND_DEVICE_IN_UNPROCESSED_USB_HEADSET_MIC] = strdup("usb-headset-mic");
    backend_tag_table[SND_DEVICE_IN_VOICE_RECOG_USB_HEADSET_MIC] = strdup("usb-headset-mic");
    backend_tag_table[SND_DEVICE_IN_USB_HEADSET_MIC_AEC] = strdup("usb-headset-mic");
    backend_tag_table[SND_DEVICE_IN_CAPTURE_FM] = strdup("capture-fm");
    backend_tag_table[SND_DEVICE_OUT_TRANSMISSION_FM] = strdup("transmission-fm");
    backend_tag_table[SND_DEVICE_OUT_HEADPHONES_DSD] = strdup("headphones-dsd");
    backend_tag_table[SND_DEVICE_OUT_HEADPHONES_44_1] = strdup("headphones-44.1");
    backend_tag_table[SND_DEVICE_OUT_VOICE_SPEAKER_VBAT] = strdup("vbat-voice-speaker");
    backend_tag_table[SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT] = strdup("vbat-voice-speaker-2");
    backend_tag_table[SND_DEVICE_OUT_BT_A2DP] = strdup("bt-a2dp");
    backend_tag_table[SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = strdup("speaker-and-bt-a2dp");
    backend_tag_table[SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_HEADPHONES] = strdup("speaker-and-headphones");
    backend_tag_table[SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_ANC_HEADSET] = strdup("speaker-and-headphones");

    hw_interface_table[SND_DEVICE_OUT_HANDSET] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_EXTERNAL_1] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_EXTERNAL_2] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_REVERSE] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_VBAT] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_LINE] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_HEADPHONES] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_HEADPHONES_DSD] = strdup("SLIMBUS_2_RX");
    hw_interface_table[SND_DEVICE_OUT_HEADPHONES_44_1] = strdup("SLIMBUS_5_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = strdup("SLIMBUS_0_RX-and-SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_HEADPHONES] = strdup("SLIMBUS_0_RX-and-SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_ANC_HEADSET] = strdup("SLIMBUS_0_RX-and-SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_LINE] = strdup("SLIMBUS_0_RX-and-SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_1] = strdup("SLIMBUS_0_RX-and-SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_2] = strdup("SLIMBUS_0_RX-and-SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_HANDSET] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_VBAT] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_2] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_HEADPHONES] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_LINE] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_HDMI] = strdup("HDMI");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = strdup("SLIMBUS_0_RX-and-HDMI");
    hw_interface_table[SND_DEVICE_OUT_DISPLAY_PORT] = strdup("DISPLAY_PORT");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_DISPLAY_PORT] = strdup("SLIMBUS_0_RX-and-DISPLAY_PORT");
    hw_interface_table[SND_DEVICE_OUT_BT_SCO] = strdup("SLIMBUS_7_RX");
    hw_interface_table[SND_DEVICE_OUT_BT_SCO_WB] = strdup("SLIMBUS_7_RX");
    hw_interface_table[SND_DEVICE_OUT_BT_A2DP] = strdup("SLIMBUS_7_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = strdup("SLIMBUS_0_RX-and-SLIMBUS_7_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_TX] = strdup("RT_PROXY_DAI_001_RX");
    hw_interface_table[SND_DEVICE_OUT_AFE_PROXY] = strdup("RT_PROXY_DAI_001_RX");
    hw_interface_table[SND_DEVICE_OUT_USB_HEADSET] = strdup("USB_AUDIO_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_USB_HEADSET] = strdup("USB_AUDIO_RX");
    hw_interface_table[SND_DEVICE_OUT_USB_HEADPHONES] = strdup("USB_AUDIO_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = strdup("USB_AUDIO_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = strdup("SLIMBUS_0_RX-and-USB_AUDIO_RX");
    hw_interface_table[SND_DEVICE_OUT_TRANSMISSION_FM] = strdup("SLIMBUS_8_TX");
    hw_interface_table[SND_DEVICE_OUT_ANC_HEADSET] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_ANC_FB_HEADSET] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_ANC_HEADSET] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET] = strdup("SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET] = strdup("SLIMBUS_0_RX-and-SLIMBUS_6_RX");
    hw_interface_table[SND_DEVICE_OUT_ANC_HANDSET] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_PROTECTED] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_SPEAKER_WSA] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_WSA] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA] = strdup("SLIMBUS_0_RX");
#ifdef RECORD_PLAY_CONCURRENCY
    hw_interface_table[SND_DEVICE_OUT_VOIP_HANDSET] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOIP_SPEAKER] = strdup("SLIMBUS_0_RX");
    hw_interface_table[SND_DEVICE_OUT_VOIP_HEADPHONES] = strdup("SLIMBUS_6_RX");
#endif
    hw_interface_table[SND_DEVICE_IN_HANDSET_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_MIC_EXTERNAL] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_MIC_AEC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_MIC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_MIC_AEC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_DMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_DMIC_AEC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_DMIC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_DMIC_AEC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_MIC_AEC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_MIC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_AEC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HEADSET_MIC_FLUENCE] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_SPEAKER_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HDMI_MIC] = strdup("HDMI");
    hw_interface_table[SND_DEVICE_IN_BT_SCO_MIC] = strdup("SLIMBUS_7_TX");
    hw_interface_table[SND_DEVICE_IN_BT_SCO_MIC_NREC] = strdup("SLIMBUS_7_TX");
    hw_interface_table[SND_DEVICE_IN_BT_SCO_MIC_WB] = strdup("SLIMBUS_7_TX");
    hw_interface_table[SND_DEVICE_IN_BT_SCO_MIC_WB_NREC] = strdup("SLIMBUS_7_TX");
    hw_interface_table[SND_DEVICE_IN_CAMCORDER_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_DMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_SPEAKER_QMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_REC_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_REC_MIC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_RX] = strdup("RT_PROXY_DAI_002_TX");
    hw_interface_table[SND_DEVICE_IN_USB_HEADSET_MIC] = strdup("USB_AUDIO_TX");
    hw_interface_table[SND_DEVICE_IN_CAPTURE_FM] = strdup("SLIMBUS_8_TX");
    hw_interface_table[SND_DEVICE_IN_AANC_HANDSET_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_QUAD_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_STEREO_DMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = strdup("SLIMBUS_4_TX");
    hw_interface_table[SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_1] = strdup("SLIMBUS_4_TX");
    hw_interface_table[SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_2] = strdup("SLIMBUS_4_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_QMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_QMIC_AEC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_QMIC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_THREE_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_TMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_VOICE_REC_TMIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_UNPROCESSED_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_UNPROCESSED_STEREO_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_UNPROCESSED_THREE_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_UNPROCESSED_QUAD_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
    hw_interface_table[SND_DEVICE_IN_HANDSET_GENERIC_QMIC] = strdup("SLIMBUS_0_TX");

    my_data->max_mic_count = PLATFORM_DEFAULT_MIC_COUNT;
    /*remove ALAC & APE from DSP decoder list based on software decoder availability*/
    for (count = 0; count < (int32_t) (sizeof(dsp_only_decoders_mime)/sizeof(dsp_only_decoders_mime[0]));
            count++) {

        if (!strncmp(MEDIA_MIMETYPE_AUDIO_ALAC, dsp_only_decoders_mime[count],
             strlen(dsp_only_decoders_mime[count]))) {

            if(property_get_bool("vendor.audio.use.sw.alac.decoder", false)) {
                ALOGD("Alac software decoder is available...removing alac from DSP decoder list");
                strlcpy(dsp_only_decoders_mime[count],"none",5);
            }
        } else if (!strncmp(MEDIA_MIMETYPE_AUDIO_APE, dsp_only_decoders_mime[count],
             strlen(dsp_only_decoders_mime[count]))) {

            if(property_get_bool("vendor.audio.use.sw.ape.decoder", false)) {
                ALOGD("APE software decoder is available...removing ape from DSP decoder list");
                strlcpy(dsp_only_decoders_mime[count],"none",5);
           }
        }
    }
}

void get_cvd_version(char *cvd_version, struct audio_device *adev)
{
    struct mixer_ctl *ctl;
    int count;
    int ret = 0;

    ctl = mixer_get_ctl_by_name(adev->mixer, CVD_VERSION_MIXER_CTL);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",  __func__, CVD_VERSION_MIXER_CTL);
        goto done;
    }
    mixer_ctl_update(ctl);

    count = mixer_ctl_get_num_values(ctl);
    if (count > MAX_CVD_VERSION_STRING_SIZE)
        count = MAX_CVD_VERSION_STRING_SIZE;

    ret = mixer_ctl_get_array(ctl, cvd_version, count);
    if (ret != 0) {
        ALOGE("%s: ERROR! mixer_ctl_get_array() failed to get CVD Version", __func__);
        goto done;
    }

done:
    return;
}

static int hw_util_open(int card_no)
{
    int fd = -1;
    char dev_name[256];

    snprintf(dev_name, sizeof(dev_name), "/dev/snd/hwC%uD%u",
                               card_no, WCD9XXX_CODEC_HWDEP_NODE);
    ALOGD("%s Opening device %s\n", __func__, dev_name);
    fd = open(dev_name, O_WRONLY);
    if (fd < 0) {
        ALOGE("%s: cannot open device '%s'\n", __func__, dev_name);
        return fd;
    }
    ALOGD("%s success", __func__);
    return fd;
}

struct param_data {
    int    use_case;
    int    acdb_id;
    int    get_size;
    int    buff_size;
    int    data_size;
    void   *buff;
};

static int send_vbat_adc_data_to_acdb(struct platform_data *plat_data, char *cal_type)
{
    int ret = 0;
    struct mixer_ctl *ctl;
    uint16_t vbat_adc_data[2];
    struct platform_data *my_data = plat_data;
    struct audio_device *adev = my_data->adev;

    const char *mixer_ctl_name = "Vbat ADC data";

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer ctl name - %s",
               __func__, mixer_ctl_name);
        ret = -EINVAL;
        goto done;
    }

    vbat_adc_data[0] = mixer_ctl_get_value(ctl, 0);
    vbat_adc_data[1] = mixer_ctl_get_value(ctl, 1);

    ALOGD("%s: Vbat ADC output values: Dcp1: %d , Dcp2: %d",
           __func__, vbat_adc_data[0], vbat_adc_data[1]);

    ret = my_data->acdb_set_codec_data(&vbat_adc_data[0], cal_type);

done:
    return ret;
}

static void send_codec_cal(acdb_loader_get_calibration_t acdb_loader_get_calibration,
                          struct platform_data *plat_data, int fd)
{
    int type;

    for (type = WCD9XXX_ANC_CAL; type < WCD9XXX_MAX_CAL; type++) {
        struct wcdcal_ioctl_buffer codec_buffer;
        struct param_data calib;
        int ret;

        /* MAD calibration is handled by sound trigger HAL, skip here */
        if (type == WCD9XXX_MAD_CAL)
            continue;

        if((plat_data->is_vbat_speaker) && (WCD9XXX_VBAT_CAL == type)) {
           ret = send_vbat_adc_data_to_acdb(plat_data, cal_name_info[type]);
           if (ret < 0)
               ALOGE("%s error in sending vbat adc data to acdb", __func__);
        }

        calib.get_size = 1;
        ret = acdb_loader_get_calibration(cal_name_info[type], sizeof(struct param_data),
                                                                 &calib);
        if (ret < 0) {
            ALOGE("%s get_calibration failed\n", __func__);
            continue;
        }
        calib.get_size = 0;
        calib.buff = malloc(calib.buff_size);
        if(calib.buff == NULL) {
            ALOGE("%s mem allocation for %d bytes for %s failed\n"
                , __func__, calib.buff_size, cal_name_info[type]);
            continue;
        }
        ret = acdb_loader_get_calibration(cal_name_info[type],
                              sizeof(struct param_data), &calib);
        if (ret < 0) {
            ALOGE("%s get_calibration failed type=%s calib.size=%d\n"
                , __func__, cal_name_info[type], calib.buff_size);
            free(calib.buff);
            continue;
        }
        codec_buffer.buffer = calib.buff;
        codec_buffer.size = calib.data_size;
        codec_buffer.cal_type = type;
        if (ioctl(fd, SNDRV_CTL_IOCTL_HWDEP_CAL_TYPE, &codec_buffer) < 0)
            ALOGE("Failed to call ioctl  for %s err=%d calib.size=%d",
                cal_name_info[type], errno, codec_buffer.size);
        ALOGD("%s cal sent for %s calib.size=%d"
            , __func__, cal_name_info[type], codec_buffer.size);
        free(calib.buff);
    }
}

static void audio_hwdep_send_cal(struct platform_data *plat_data)
{
    int fd = plat_data->hw_dep_fd;

    if (fd < 0)
        fd = hw_util_open(plat_data->adev->snd_card);
    if (fd == -1) {
        ALOGE("%s error open\n", __func__);
        return;
    }

    acdb_loader_get_calibration = (acdb_loader_get_calibration_t)
          dlsym(plat_data->acdb_handle, "acdb_loader_get_calibration");

    if (acdb_loader_get_calibration == NULL) {
        ALOGE("%s: ERROR. dlsym Error:%s acdb_loader_get_calibration", __func__,
           dlerror());
        if (fd >= 0) {
            close(fd);
            plat_data->hw_dep_fd = -1;
        }
        return;
    }

    send_codec_cal(acdb_loader_get_calibration, plat_data, fd);
    plat_data->hw_dep_fd = fd;
}

const char * platform_get_snd_card_name_for_acdb_loader(const char *snd_card_name) {

    if(snd_card_name == NULL)
        return NULL;

    // Both tasha & tasha-lite uses tasha ACDB files
    // simulate sound card name for tasha lite, so that
    // ACDB module loads tasha ACDB files for tasha lite
    if(!strncmp(snd_card_name, "msm8976-tashalite-snd-card",
             sizeof("msm8976-tashalite-snd-card"))) {
        ALOGD("using tasha ACDB files for tasha-lite");
        return "msm8976-tasha-snd-card";
    }

    if(!strncmp(snd_card_name, "msm8952-tashalite-snd-card",
             sizeof("msm8952-tashalite-snd-card"))) {
        ALOGD("using tasha ACDB files for tasha-lite");
        return "msm8952-tasha-snd-card";
    }

    if(!strncmp(snd_card_name, "msm8937-tashalite-snd-card",
             sizeof("msm8937-tashalite-snd-card"))) {
        ALOGD("using tasha ACDB files for tasha-lite");
        return "msm8937-tasha-snd-card";
    }

    if(!strncmp(snd_card_name, "msm8953-tashalite-snd-card",
             sizeof("msm8953-tashalite-snd-card"))) {
        ALOGD("using tasha ACDB files for tasha-lite");
        return "msm8953-tasha-snd-card";
    }

    if(!strncmp(snd_card_name, "sdm660-tashalite-snd-card",
             sizeof("sdm660-tashalite-snd-card"))) {
        ALOGD("using tasha ACDB files for tasha-lite");
        return "sdm660-tasha-snd-card";
    }

    // Both tasha & tasha-lite uses tasha ACDB files
    // simulate sound card name for tasha lite, so that
    // ACDB module loads tasha ACDB files for tasha lite
    if(!strncmp(snd_card_name, "msm8x09-tasha9326-snd-card",
             sizeof("msm8x09-tasha9326-snd-card"))) {
       ALOGD("using tasha ACDB files for tasha-lite");
       return "msm8x09-tasha-snd-card";
   }
   return snd_card_name;
}


int platform_acdb_init(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    char *cvd_version = NULL;
    const char *snd_card_name;
    int result = -1;
    struct listnode *node;
    struct meta_key_list *key_info;
    int key = 0;

    cvd_version = calloc(1, MAX_CVD_VERSION_STRING_SIZE);
    if (!cvd_version) {
        ALOGE("Failed to allocate cvd version");
        return -1;
    } else {
        get_cvd_version(cvd_version, my_data->adev);
    }

    snd_card_name = mixer_get_name(my_data->adev->mixer);
    snd_card_name = platform_get_snd_card_name_for_acdb_loader(snd_card_name);

    my_data->acdb_init_data.cvd_version = cvd_version;
    my_data->acdb_init_data.snd_card_name = strdup(snd_card_name);
    my_data->acdb_init_data.meta_key_list = &my_data->acdb_meta_key_list;
    if (my_data->acdb_init_v4) {
        result = my_data->acdb_init_v4(&my_data->acdb_init_data, ACDB_LOADER_INIT_V4);
    } else if (my_data->acdb_init_v3) {
        result = my_data->acdb_init_v3(snd_card_name, cvd_version,
                                           &my_data->acdb_meta_key_list);
    } else if (my_data->acdb_init) {
        node = list_head(&my_data->acdb_meta_key_list);
        key_info = node_to_item(node, struct meta_key_list, list);
        key = key_info->cal_info.nKey;
        result = my_data->acdb_init(snd_card_name, cvd_version, key);
    }
    /* Save these variables in platform_data. These will be used
       while reloading ACDB files during run time. */
    strlcpy(my_data->cvd_version, cvd_version, MAX_CVD_VERSION_STRING_SIZE);
    strlcpy(my_data->snd_card_name, snd_card_name,
                                               MAX_SND_CARD_STRING_SIZE);

    if (cvd_version)
        free(cvd_version);
    if (!result) {
        my_data->is_acdb_initialized = true;
        ALOGD("ACDB initialized");
        audio_hwdep_send_cal(my_data);
    } else {
        my_data->is_acdb_initialized = false;
        ALOGD("ACDB initialization failed");
    }
    return result;
}

#define MAX_PATH             (256)
#define THERMAL_SYSFS "/sys/class/thermal"
#define TZ_TYPE "/sys/class/thermal/thermal_zone%d/type"
#define TZ_WSA "/sys/class/thermal/thermal_zone%d/temp"

static bool check_and_get_wsa_info(char *snd_card_name, int *wsaCount,
                                   bool *is_wsa_combo_supported)
{
    DIR *tdir = NULL;
    struct dirent *tdirent = NULL;
    int tzn = 0;
    char name[MAX_PATH] = {0};
    char cwd[MAX_PATH] = {0};
    char file[10] = "wsa";
    bool found = false;
    int wsa_count = 0;

    /* SL/SH hardware always has wsa by default, no need to add wsa */
    if(snd_card_name && !strncmp(snd_card_name, "sdm660", strlen("sdm660"))) {
        ALOGD(" Ignore WSA extension for sdm 660 varients");
        return false;
    }

    if (!getcwd(cwd, sizeof(cwd)))
        return false;

    chdir(THERMAL_SYSFS); /* Change dir to read the entries. Doesnt work
                             otherwise */
    tdir = opendir(THERMAL_SYSFS);
    if (!tdir) {
        ALOGE("Unable to open %s\n", THERMAL_SYSFS);
        return false;
    }

    while ((tdirent = readdir(tdir))) {
        char buf[50];
        struct dirent *tzdirent;
        DIR *tzdir = NULL;

        tzdir = opendir(tdirent->d_name);
        if (!tzdir)
            continue;
        while ((tzdirent = readdir(tzdir))) {
            if (strcmp(tzdirent->d_name, "type"))
                continue;
            snprintf(name, MAX_PATH, TZ_TYPE, tzn);
            ALOGD("Opening %s\n", name);
            read_line_from_file(name, buf, sizeof(buf));
            if (strstr(buf, file)) {
                wsa_count++;
                /*We support max only two WSA speakers*/
                if (wsa_count == 2)
                    break;
            }
            tzn++;
        }
        closedir(tzdir);
    }
    if (wsa_count > 0){
         ALOGD("Found %d WSA present on the platform", wsa_count);
         found = true;
         *wsaCount = wsa_count;

        /* update wsa combo supported flag based on sound card name */
        /* wsa combo flag needs to be set to true only for hardware
           combinations which has support for both wsa and non-wsa speaker */
        *is_wsa_combo_supported = false;
        if(snd_card_name) {
            if ((!strncmp(snd_card_name, "msm8953-snd-card-mtp",
                    sizeof("msm8953-snd-card-mtp")) ||
                (!strncmp(snd_card_name, "msm8952-skum-snd-card",
                    sizeof("msm8952-skum-snd-card"))))) {
                *is_wsa_combo_supported = true;
            }
        }
    }
    closedir(tdir);
    chdir(cwd); /* Restore current working dir */
    return found;
}

static void get_source_mic_type(struct platform_data * my_data)
{
    // support max to mono, example if max count is 3, usecase supports Three, dual and mono mic
    switch (my_data->max_mic_count) {
        case 6:
            my_data->source_mic_type |= SOURCE_HEX_MIC;
        case 4:
            my_data->source_mic_type |= SOURCE_QUAD_MIC;
        case 3:
            my_data->source_mic_type |= SOURCE_THREE_MIC;;
        case 2:
            my_data->source_mic_type |= SOURCE_DUAL_MIC;
        case 1:
            my_data->source_mic_type |= SOURCE_MONO_MIC;
           break;
        default:
            ALOGE("%s: max_mic_count (%d), is not supported, setting to default",
                   __func__, my_data->max_mic_count);
            my_data->source_mic_type = SOURCE_MONO_MIC | SOURCE_DUAL_MIC;
            break;
    }
}

/*
 * Retrieves the be_dai_name_table from kernel to enable a mapping
 * between sound device hw interfaces and backend IDs. This allows HAL to
 * specify the backend a specific calibration is needed for.
 */
static int init_be_dai_name_table(struct audio_device *adev)
{
    const char *mixer_ctl_name = "Backend DAI Name Table";
    struct mixer_ctl *ctl;
    int i, j, ret, size;
    bool valid_hw_interface;

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer name %s\n",
               __func__, mixer_ctl_name);
        ret = -EINVAL;
        goto done;
    }

    mixer_ctl_update(ctl);

    size = mixer_ctl_get_num_values(ctl);
    if (size <= 0){
        ALOGE("%s: Failed to get %s size %d\n",
               __func__, mixer_ctl_name, size);
        ret = -EFAULT;
        goto done;
    }

    be_dai_name_table =
        (const struct be_dai_name_struct *)calloc(1, size);
    if (be_dai_name_table == NULL) {
        ALOGE("%s: Failed to allocate memory for %s\n",
               __func__, mixer_ctl_name);
        ret = -ENOMEM;
        goto freeMem;
    }

    ret = mixer_ctl_get_array(ctl, (void *)be_dai_name_table, size);
    if (ret) {
        ALOGE("%s: Failed to get %s, ret %d\n",
               __func__, mixer_ctl_name, ret);
        ret = -EFAULT;
        goto freeMem;
    }

    if (be_dai_name_table != NULL) {
        max_be_dai_names = size / sizeof(struct be_dai_name_struct);
        ALOGV("%s: Successfully got %s, number of be dais is %d\n",
              __func__, mixer_ctl_name, max_be_dai_names);
        ret = 0;
    } else {
        ALOGE("%s: Failed to get %s\n", __func__, mixer_ctl_name);
        ret = -EFAULT;
        goto freeMem;
    }

    /*
     * Validate all sound devices have a valid backend set to catch
     * errors for uncommon sound devices
     */
    for (i = 0; i < SND_DEVICE_MAX; i++) {
        valid_hw_interface = false;

        if (hw_interface_table[i] == NULL) {
            ALOGW("%s: sound device %s has no hw interface set\n",
                  __func__, platform_get_snd_device_name(i));
            continue;
        }

        for (j = 0; j < max_be_dai_names; j++) {
            if (strcmp(hw_interface_table[i], be_dai_name_table[j].be_name)
                == 0) {
                valid_hw_interface = true;
                break;
            }
        }
        if (!valid_hw_interface)
            ALOGD("%s: sound device %s does not have a valid hw interface set (disregard for combo devices) %s\n",
                  __func__, platform_get_snd_device_name(i), hw_interface_table[i]);
    }

    goto done;

freeMem:
    if (be_dai_name_table) {
        free((void *)be_dai_name_table);
        be_dai_name_table = NULL;
    }

done:
    return ret;
}

void *platform_init(struct audio_device *adev)
{
    char value[PROPERTY_VALUE_MAX];
    struct platform_data *my_data = NULL;
    int snd_card_num = 0;
    const char *snd_card_name;
    char mixer_xml_path[MAX_MIXER_XML_PATH],ffspEnable[PROPERTY_VALUE_MAX];
    const char *mixer_ctl_name = "Set HPX ActiveBe";
    struct mixer_ctl *ctl = NULL;
    int idx;
    int wsaCount =0;
    bool is_wsa_combo_supported = false;
    const char *id_string = NULL;
    int cfg_value = -1;

    snd_card_num = audio_extn_utils_get_snd_card_num();
    if(snd_card_num < 0) {
        ALOGE("%s: Unable to find correct sound card", __func__);
        return NULL;
    }

    adev->snd_card = snd_card_num;
    ALOGD("%s: Opened sound card:%d", __func__, snd_card_num);

    adev->mixer = mixer_open(snd_card_num);
    if (!adev->mixer) {
        ALOGE("%s: Unable to open the mixer card: %d", __func__,
               snd_card_num);
        return NULL;
    }

    snd_card_name = mixer_get_name(adev->mixer);
    ALOGD("%s: snd_card_name: %s", __func__, snd_card_name);

    my_data = calloc(1, sizeof(struct platform_data));

    if (!my_data) {
        ALOGE("failed to allocate platform data");
        return NULL;
    }

    my_data->hw_info = hw_info_init(snd_card_name);
    if (!my_data->hw_info) {
        ALOGE("%s: Failed to init hardware info", __func__);
        free(my_data);
        return NULL;
    }

    query_platform(snd_card_name, mixer_xml_path);
    ALOGD("%s: mixer path file is %s", __func__,
                            mixer_xml_path);
    if (audio_extn_read_xml(adev, snd_card_num, mixer_xml_path,
                            MIXER_XML_PATH_AUXPCM) == -ENOSYS) {
        adev->audio_route = audio_route_init(snd_card_num,
                                         mixer_xml_path);
    }
    if (!adev->audio_route) {
        ALOGE("%s: Failed to init audio route controls, aborting.",
               __func__);
        free(my_data);
        mixer_close(adev->mixer);
        return NULL;
    }
    update_codec_type(snd_card_name);
    update_interface(snd_card_name);

    my_data->adev = adev;
    my_data->fluence_in_spkr_mode = false;
    my_data->fluence_in_voice_call = false;
    my_data->fluence_in_voice_rec = false;
    my_data->fluence_in_audio_rec = false;
    my_data->fluence_in_hfp_call = false;
    my_data->external_spk_1 = false;
    my_data->external_spk_2 = false;
    my_data->external_mic = false;
    my_data->fluence_type = FLUENCE_NONE;
    my_data->fluence_mode = FLUENCE_ENDFIRE;
    my_data->slowtalk = false;
    my_data->hd_voice = false;
    my_data->edid_info = NULL;
    my_data->ext_disp_type = EXT_DISPLAY_TYPE_NONE;
    my_data->is_wsa_speaker = false;
    my_data->hw_dep_fd = -1;
    my_data->mono_speaker = SPKR_1;

    be_dai_name_table = NULL;

    property_get("ro.vendor.audio.sdk.fluencetype", my_data->fluence_cap, "");
    if (!strncmp("fluenceffv", my_data->fluence_cap, sizeof("fluenceffv"))) {
        my_data->fluence_type = FLUENCE_HEX_MIC | FLUENCE_QUAD_MIC | FLUENCE_DUAL_MIC;
    } else if (!strncmp("fluencepro", my_data->fluence_cap, sizeof("fluencepro"))) {
        my_data->fluence_type = FLUENCE_QUAD_MIC | FLUENCE_DUAL_MIC;
    } else if (!strncmp("fluence", my_data->fluence_cap, sizeof("fluence"))) {
        my_data->fluence_type = FLUENCE_DUAL_MIC;
    } else {
        my_data->fluence_type = FLUENCE_NONE;
    }

    if (my_data->fluence_type != FLUENCE_NONE) {
        property_get("persist.vendor.audio.fluence.voicecall",value,"");
        if (!strncmp("true", value, sizeof("true"))) {
            my_data->fluence_in_voice_call = true;
        }

        property_get("persist.vendor.audio.fluence.voicerec",value,"");
        if (!strncmp("true", value, sizeof("true"))) {
            my_data->fluence_in_voice_rec = true;
        }

        property_get("persist.vendor.audio.fluence.audiorec",value,"");
        if (!strncmp("true", value, sizeof("true"))) {
            my_data->fluence_in_audio_rec = true;
        }

        property_get("persist.vendor.audio.fluence.speaker",value,"");
        if (!strncmp("true", value, sizeof("true"))) {
            my_data->fluence_in_spkr_mode = true;
        }

        property_get("persist.vendor.audio.fluence.mode",value,"");
        if (!strncmp("broadside", value, sizeof("broadside"))) {
            my_data->fluence_mode = FLUENCE_BROADSIDE;
        }

        property_get("persist.vendor.audio.fluence.hfpcall",value,"");
        if (!strncmp("true", value, sizeof("true"))) {
            my_data->fluence_in_hfp_call = true;
        }
    }

    if (check_and_get_wsa_info((char *)snd_card_name, &wsaCount, &is_wsa_combo_supported)) {
        /*Set ACDB ID of Stereo speaker if two WSAs are present*/
        /*Default ACDB ID for wsa speaker is that for mono*/
        if (wsaCount == 2) {
            platform_set_snd_device_acdb_id(SND_DEVICE_OUT_SPEAKER_WSA, 15);
            platform_set_snd_device_acdb_id(SND_DEVICE_OUT_SPEAKER_VBAT, 15);
        }

        my_data->is_wsa_speaker = true;

        if (is_wsa_combo_supported)
            hw_info_enable_wsa_combo_usecase_support(my_data->hw_info);

    }

    property_get("persist.vendor.audio.FFSP.enable", ffspEnable, "");
    if (!strncmp("true", ffspEnable, sizeof("true"))) {
        acdb_device_table[SND_DEVICE_OUT_SPEAKER] = 131;
        acdb_device_table[SND_DEVICE_OUT_SPEAKER_WSA] = 131;
        acdb_device_table[SND_DEVICE_OUT_SPEAKER_REVERSE] = 131;
        acdb_device_table[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 131;
        acdb_device_table[SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = 131;
    }

    /* Check if Vbat speaker enabled property is set, this should be done before acdb init */
    bool ret = false;
    ret = audio_extn_can_use_vbat();
    if (ret)
        my_data->is_vbat_speaker = true;

    /*
     * Check if hifi audio( i.e. 96, 192 KHZ) is enabled for this platform,
     * enable hifi audio by default for external codec targets
     */
    ret = audio_extn_is_hifi_audio_supported();
    if (ret || is_external_codec)
        my_data->hifi_audio = true;

    list_init(&my_data->acdb_meta_key_list);

    set_platform_defaults(my_data);

    /* Initialize ACDB and PCM ID's */
    if (is_external_codec)
        platform_info_init(PLATFORM_INFO_XML_PATH_EXTCODEC, my_data, PLATFORM);
    else if (!strncmp(snd_card_name, "sdm660-snd-card-skush",
               sizeof("sdm660-snd-card-skush")))
        platform_info_init(PLATFORM_INFO_XML_PATH_SKUSH, my_data, PLATFORM);
    else
        platform_info_init(PLATFORM_INFO_XML_PATH, my_data, PLATFORM);

    my_data->voice_feature_set = VOICE_FEATURE_SET_DEFAULT;
    my_data->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
    if (my_data->acdb_handle == NULL) {
        ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER);
    } else {
        ALOGV("%s: DLOPEN successful for %s", __func__, LIB_ACDB_LOADER);
        my_data->acdb_deallocate = (acdb_deallocate_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_deallocate_ACDB");
        if (!my_data->acdb_deallocate)
            ALOGE("%s: Could not find the symbol acdb_loader_deallocate_ACDB from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_send_audio_cal = (acdb_send_audio_cal_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_send_audio_cal_v2");
        if (!my_data->acdb_send_audio_cal)
            ALOGE("%s: Could not find the symbol acdb_send_audio_cal_v2 from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_send_audio_cal_v3 = (acdb_send_audio_cal_v3_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_send_audio_cal_v3");
        if (!my_data->acdb_send_audio_cal_v3)
            ALOGE("%s: Could not find the symbol acdb_send_audio_cal_v3 from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_set_audio_cal = (acdb_set_audio_cal_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_set_audio_cal_v2");
        if (!my_data->acdb_set_audio_cal)
            ALOGE("%s: Could not find the symbol acdb_set_audio_cal_v2 from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_get_audio_cal = (acdb_get_audio_cal_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_get_audio_cal_v2");
        if (!my_data->acdb_get_audio_cal)
            ALOGE("%s: Could not find the symbol acdb_get_audio_cal_v2 from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_send_voice_cal");
        if (!my_data->acdb_send_voice_cal)
            ALOGE("%s: Could not find the symbol acdb_loader_send_voice_cal from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_reload_vocvoltable = (acdb_reload_vocvoltable_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_reload_vocvoltable");
        if (!my_data->acdb_reload_vocvoltable)
            ALOGE("%s: Could not find the symbol acdb_loader_reload_vocvoltable from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_get_default_app_type = (acdb_get_default_app_type_t)dlsym(
                                                    my_data->acdb_handle,
                                                    "acdb_loader_get_default_app_type");
        if (!my_data->acdb_get_default_app_type)
            ALOGE("%s: Could not find the symbol acdb_get_default_app_type from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_send_common_top = (acdb_send_common_top_t)dlsym(
                                                    my_data->acdb_handle,
                                                    "acdb_loader_send_common_custom_topology");
        if (!my_data->acdb_send_common_top)
            ALOGE("%s: Could not find the symbol acdb_get_default_app_type from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_set_codec_data = (acdb_set_codec_data_t)dlsym(
                                                    my_data->acdb_handle,
                                                    "acdb_loader_set_codec_data");
        if (!my_data->acdb_set_codec_data)
            ALOGE("%s: Could not find the symbol acdb_get_default_app_type from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_send_gain_dep_cal = (acdb_send_gain_dep_cal_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_send_gain_dep_cal");
        if (!my_data->acdb_send_gain_dep_cal)
            ALOGV("%s: Could not find the symbol acdb_loader_send_gain_dep_cal from %s",
                  __func__, LIB_ACDB_LOADER);

        my_data->acdb_init_v4 = (acdb_init_v4_t)dlsym(my_data->acdb_handle,
                                                     "acdb_loader_init_v4");
        if (my_data->acdb_init_v4 == NULL) {
            ALOGE("%s: dlsym error %s for acdb_loader_init_v4", __func__, dlerror());
        }

        my_data->acdb_init_v3 = (acdb_init_v3_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_init_v3");
        if (my_data->acdb_init_v3 == NULL) {
            ALOGE("%s: dlsym error %s for acdb_loader_init_v3", __func__, dlerror());
        }

        my_data->acdb_init = (acdb_init_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_init_v2");
        if (my_data->acdb_init == NULL) {
            ALOGE("%s: dlsym error %s for acdb_loader_init_v2", __func__, dlerror());
            goto acdb_init_fail;
        }

        my_data->acdb_reload_v2 = (acdb_reload_v2_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_reload_acdb_files_v2");
        if (my_data->acdb_reload_v2 == NULL) {
            ALOGE("%s: dlsym error %s for acdb_loader_reload_acdb_files_v2", __func__, dlerror());
        }

        my_data->acdb_reload = (acdb_reload_t)dlsym(my_data->acdb_handle,
                                                    "acdb_loader_reload_acdb_files");
        if (my_data->acdb_reload == NULL) {
            ALOGE("%s: dlsym error %s for acdb_loader_reload_acdb_files", __func__, dlerror());
            goto acdb_init_fail;
        }

        int result = acdb_init(adev->snd_card);
        if (!result) {
            my_data->is_acdb_initialized = true;
            ALOGD("ACDB initialized");
            audio_hwdep_send_cal(my_data);
        } else {
            my_data->is_acdb_initialized = false;
            ALOGD("ACDB initialization failed");
        }
    }
    audio_extn_pm_vote();
#ifdef DYNAMIC_LOG_ENABLED
    log_utils_init();
#endif
    /* Configure active back end for HPX*/
    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (ctl) {
        ALOGE(" sending HPX Active BE information ");
        mixer_ctl_set_value(ctl, 0, is_external_codec);
    }

acdb_init_fail:

    if (audio_extn_can_use_ras()) {
        if (property_get_bool("persist.vendor.audio.speaker.prot.enable", false)) {
            platform_set_snd_device_acdb_id(SND_DEVICE_OUT_SPEAKER_PROTECTED,
                           acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED_RAS]);
            platform_set_snd_device_acdb_id(SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT,
                           acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT_RAS]);
        } else {
            ALOGD("%s: RAS Feature should be enabled with Speaker Protection", __func__);
        }
    }

    /*
     * Get the be_dai_name_table from kernel which provides a mapping
     * between a backend string name and a backend ID
     */
    init_be_dai_name_table(adev);

    /* obtain source mic type from max mic count*/
    get_source_mic_type(my_data);
    ALOGD("%s: Fluence_Type(%d) max_mic_count(%d) mic_type(0x%x) fluence_in_voice_call(%d)"
          " fluence_in_voice_rec(%d) fluence_in_spkr_mode(%d) fluence_in_hfp_call(%d) ",
          __func__, my_data->fluence_type, my_data->max_mic_count, my_data->source_mic_type,
          my_data->fluence_in_voice_call, my_data->fluence_in_voice_rec,
          my_data->fluence_in_spkr_mode, my_data->fluence_in_hfp_call);

    /* init usb */
    audio_extn_usb_init(adev);

    /*init a2dp*/
    audio_extn_a2dp_init(adev);

    /* Read one time ssr property */
    audio_extn_ssr_update_enabled();
    audio_extn_ffv_update_enabled();
    audio_extn_spkr_prot_init(adev);

    /* init dap hal */
    audio_extn_dap_hal_init(adev->snd_card);

    /* init audio device arbitration */
    audio_extn_dev_arbi_init();

    my_data->edid_info = NULL;

    default_rx_backend = strdup("SLIMBUS_0_RX");

    /* initialize backend config */
    for (idx = 0; idx < MAX_CODEC_BACKENDS; idx++) {
        my_data->current_backend_cfg[idx].sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
        if (idx == HEADPHONE_44_1_BACKEND)
            my_data->current_backend_cfg[idx].sample_rate = OUTPUT_SAMPLING_RATE_44100;
        my_data->current_backend_cfg[idx].bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
        my_data->current_backend_cfg[idx].channels = CODEC_BACKEND_DEFAULT_CHANNELS;
        if (idx > MAX_RX_CODEC_BACKENDS)
            my_data->current_backend_cfg[idx].channels = CODEC_BACKEND_DEFAULT_TX_CHANNELS;
        my_data->current_backend_cfg[idx].format = AUDIO_FORMAT_PCM;
        my_data->current_backend_cfg[idx].bitwidth_mixer_ctl = NULL;
        my_data->current_backend_cfg[idx].samplerate_mixer_ctl = NULL;
        my_data->current_backend_cfg[idx].channels_mixer_ctl = NULL;
    }

    if (is_slimbus_interface) {
        my_data->current_backend_cfg[DEFAULT_CODEC_BACKEND].bitwidth_mixer_ctl =
            strdup("SLIM_0_RX Format");
        my_data->current_backend_cfg[DEFAULT_CODEC_BACKEND].samplerate_mixer_ctl =
            strdup("SLIM_0_RX SampleRate");
        my_data->current_backend_cfg[DEFAULT_CODEC_BACKEND].channels_mixer_ctl =
            strdup("SLIM_0_RX Channels");

        my_data->current_backend_cfg[DSD_NATIVE_BACKEND].bitwidth_mixer_ctl =
            strdup("SLIM_2_RX Format");
        my_data->current_backend_cfg[DSD_NATIVE_BACKEND].samplerate_mixer_ctl =
            strdup("SLIM_2_RX SampleRate");

        my_data->current_backend_cfg[HEADPHONE_44_1_BACKEND].bitwidth_mixer_ctl =
            strdup("SLIM_5_RX Format");
        my_data->current_backend_cfg[HEADPHONE_44_1_BACKEND].samplerate_mixer_ctl =
            strdup("SLIM_5_RX SampleRate");

        my_data->current_backend_cfg[HEADPHONE_BACKEND].bitwidth_mixer_ctl =
            strdup("SLIM_6_RX Format");
        my_data->current_backend_cfg[HEADPHONE_BACKEND].samplerate_mixer_ctl =
            strdup("SLIM_6_RX SampleRate");

        my_data->current_backend_cfg[SLIMBUS_0_TX].bitwidth_mixer_ctl =
            strdup("SLIM_0_TX Format");
        my_data->current_backend_cfg[SLIMBUS_0_TX].samplerate_mixer_ctl =
            strdup("SLIM_0_TX SampleRate");
    } else {
        if (!strncmp(snd_card_name, "sdm660", strlen("sdm660"))) {

            my_data->current_backend_cfg[DEFAULT_CODEC_BACKEND].bitwidth_mixer_ctl =
                strdup("INT4_MI2S_RX Format");
            my_data->current_backend_cfg[DEFAULT_CODEC_BACKEND].samplerate_mixer_ctl =
                strdup("INT4_MI2S_RX SampleRate");

            my_data->current_backend_cfg[DEFAULT_CODEC_TX_BACKEND].bitwidth_mixer_ctl =
                strdup("INT3_MI2S_TX Format");
            my_data->current_backend_cfg[DEFAULT_CODEC_TX_BACKEND].samplerate_mixer_ctl =
                strdup("INT3_MI2S_TX SampleRate");

            if (default_rx_backend)
                free(default_rx_backend);
            default_rx_backend = strdup("INT4_MI2S_RX");

        } else {
            my_data->current_backend_cfg[DEFAULT_CODEC_BACKEND].bitwidth_mixer_ctl =
                strdup("MI2S_RX Format");
            my_data->current_backend_cfg[DEFAULT_CODEC_BACKEND].samplerate_mixer_ctl =
                strdup("MI2S_RX SampleRate");
            my_data->current_backend_cfg[DEFAULT_CODEC_BACKEND].channels_mixer_ctl =
                strdup("MI2S_RX Channels");

            my_data->current_backend_cfg[DEFAULT_CODEC_TX_BACKEND].bitwidth_mixer_ctl =
                strdup("MI2S_TX Format");
            my_data->current_backend_cfg[DEFAULT_CODEC_TX_BACKEND].samplerate_mixer_ctl =
                strdup("MI2S_TX SampleRate");
        }
        my_data->current_backend_cfg[HEADPHONE_BACKEND].bitwidth_mixer_ctl =
            strdup("INT0_MI2S_RX Format");
        my_data->current_backend_cfg[HEADPHONE_BACKEND].samplerate_mixer_ctl =
            strdup("INT0_MI2S_RX SampleRate");

    }
    my_data->current_backend_cfg[USB_AUDIO_TX_BACKEND].bitwidth_mixer_ctl =
        strdup("USB_AUDIO_TX Format");
    my_data->current_backend_cfg[USB_AUDIO_TX_BACKEND].samplerate_mixer_ctl =
        strdup("USB_AUDIO_TX SampleRate");
    my_data->current_backend_cfg[USB_AUDIO_TX_BACKEND].channels_mixer_ctl =
            strdup("USB_AUDIO_TX Channels");

    my_data->current_backend_cfg[USB_AUDIO_RX_BACKEND].bitwidth_mixer_ctl =
        strdup("USB_AUDIO_RX Format");
    my_data->current_backend_cfg[USB_AUDIO_RX_BACKEND].samplerate_mixer_ctl =
        strdup("USB_AUDIO_RX SampleRate");
    my_data->current_backend_cfg[USB_AUDIO_RX_BACKEND].channels_mixer_ctl =
        strdup("USB_AUDIO_RX Channels");

    my_data->current_backend_cfg[HDMI_RX_BACKEND].bitwidth_mixer_ctl =
        strdup("HDMI_RX Bit Format");
    my_data->current_backend_cfg[HDMI_RX_BACKEND].samplerate_mixer_ctl =
        strdup("HDMI_RX SampleRate");
    my_data->current_backend_cfg[HDMI_RX_BACKEND].channels_mixer_ctl =
        strdup("HDMI_RX Channels");

    my_data->current_backend_cfg[DISP_PORT_RX_BACKEND].bitwidth_mixer_ctl =
        strdup("Display Port RX Bit Format");
    my_data->current_backend_cfg[DISP_PORT_RX_BACKEND].samplerate_mixer_ctl =
        strdup("Display Port RX SampleRate");
    my_data->current_backend_cfg[DISP_PORT_RX_BACKEND].channels_mixer_ctl =
        strdup("Display Port RX Channels");

    my_data->current_backend_cfg[HDMI_TX_BACKEND].bitwidth_mixer_ctl =
        strdup("QUAT_MI2S_TX Format");
    my_data->current_backend_cfg[HDMI_TX_BACKEND].samplerate_mixer_ctl =
        strdup("QUAT_MI2S_TX SampleRate");
    my_data->current_backend_cfg[HDMI_TX_BACKEND].channels_mixer_ctl =
        strdup("QUAT_MI2S_TX Channels");

    for (idx = 0; idx < MAX_CODEC_BACKENDS; idx++) {
        if (my_data->current_backend_cfg[idx].bitwidth_mixer_ctl) {
            ctl = mixer_get_ctl_by_name(adev->mixer,
                         my_data->current_backend_cfg[idx].bitwidth_mixer_ctl);
            id_string = platform_get_mixer_control(ctl);
            if (id_string) {
                cfg_value = audio_extn_utils_get_bit_width_from_string(id_string);
                if (cfg_value > 0)
                    my_data->current_backend_cfg[idx].bit_width = cfg_value;
            }
        }

        if (my_data->current_backend_cfg[idx].samplerate_mixer_ctl) {
            ctl = mixer_get_ctl_by_name(adev->mixer,
                         my_data->current_backend_cfg[idx].samplerate_mixer_ctl);
            id_string = platform_get_mixer_control(ctl);
            if (id_string) {
                cfg_value = audio_extn_utils_get_sample_rate_from_string(id_string);
                if (cfg_value > 0)
                    my_data->current_backend_cfg[idx].sample_rate = cfg_value;
            }
        }

        if (my_data->current_backend_cfg[idx].channels_mixer_ctl) {
            ctl = mixer_get_ctl_by_name(adev->mixer,
                         my_data->current_backend_cfg[idx].channels_mixer_ctl);
            id_string = platform_get_mixer_control(ctl);
            if (id_string) {
                cfg_value = audio_extn_utils_get_channels_from_string(id_string);
                if (cfg_value > 0)
                    my_data->current_backend_cfg[idx].channels = cfg_value;
            }
        }
    }

    /* Initialize keep alive for HDMI/loopback silence */
    audio_extn_keep_alive_init(adev);

    ret = audio_extn_utils_get_codec_version(snd_card_name,
                                             my_data->adev->snd_card,
                                             my_data->codec_version);

    if (NATIVE_AUDIO_MODE_INVALID != platform_get_native_support()) {
        /*
         * Native playback is enabled from the UI.
         */
        if(strstr(snd_card_name, "tasha")) {
            if (strstr(my_data->codec_version, "WCD9335_1_0") ||
                strstr(my_data->codec_version, "WCD9335_1_1")) {
                ALOGD("%s:napb: TASHA 1.0 or 1.1 only SRC mode is supported",
                      __func__);
                platform_set_native_support(NATIVE_AUDIO_MODE_SRC);
            }
        }
        if (strstr(snd_card_name, "tavil")) {
            ALOGD("%s:DSD playback is supported", __func__);
            my_data->is_dsd_supported = true;
            my_data->is_asrc_supported = true;
            platform_set_native_support(NATIVE_AUDIO_MODE_MULTIPLE_44_1);
        }
    }

    if (property_get_bool("vendor.audio.apptype.multirec.enabled", false))
        my_data->use_generic_handset = true;

    my_data->edid_info = NULL;
    return my_data;
}

void platform_deinit(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    audio_extn_keep_alive_deinit();

    if (my_data->edid_info) {
        free(my_data->edid_info);
        my_data->edid_info = NULL;
    }

    if (be_dai_name_table) {
        free((void *)be_dai_name_table);
        be_dai_name_table = NULL;
    }

    if (my_data->hw_dep_fd >= 0) {
        close(my_data->hw_dep_fd);
        my_data->hw_dep_fd = -1;
    }

    if (default_rx_backend)
        free(default_rx_backend);

    hw_info_deinit(my_data->hw_info);
    close_csd_client(my_data->csd);

    int32_t dev;
    for (dev = 0; dev < SND_DEVICE_MAX; dev++) {
        if (backend_tag_table[dev]) {
            free(backend_tag_table[dev]);
            backend_tag_table[dev]= NULL;
        }
    }

    /* deinit audio device arbitration */
    audio_extn_dev_arbi_deinit();

    if (my_data->edid_info) {
        free(my_data->edid_info);
        my_data->edid_info = NULL;
    }

    if (my_data->adev->mixer) {
        mixer_close(my_data->adev->mixer);
        my_data->adev->mixer = NULL;
    }

    free(platform);
    /* deinit usb */
    audio_extn_usb_deinit();
    audio_extn_dap_hal_deinit();
    if (audio_extn_spkr_prot_is_enabled())
        audio_extn_spkr_prot_deinit();
#ifdef DYNAMIC_LOG_ENABLED
    log_utils_deinit();
#endif
}

static int platform_is_acdb_initialized(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    ALOGD("%s: acdb initialized %d\n", __func__, my_data->is_acdb_initialized);
    return my_data->is_acdb_initialized;
}

void platform_snd_card_update(void *platform, card_status_t card_status)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    if (card_status == CARD_STATUS_ONLINE) {
        if (!platform_is_acdb_initialized(my_data)) {
            if(platform_acdb_init(my_data))
                ALOGE("%s: acdb initialization is failed", __func__);
        } else if (my_data->acdb_send_common_top() < 0) {
                ALOGD("%s: acdb did not set common topology", __func__);
        }
    }
}

const char *platform_get_snd_device_name(snd_device_t snd_device)
{
    if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX)
        return device_table[snd_device];
    else
        return "";
}

int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device,
                                      char *device_name)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX) {
        strlcpy(device_name, device_table[snd_device], DEVICE_NAME_MAX_SIZE);
        hw_info_append_hw_type(my_data->hw_info, snd_device, device_name);

        if ((snd_device == SND_DEVICE_IN_EC_REF_LOOPBACK_MONO) ||
            (snd_device == SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO))
            audio_extn_ffv_append_ec_ref_dev_name(device_name);
    } else {
        strlcpy(device_name, "", DEVICE_NAME_MAX_SIZE);
        return -EINVAL;
    }

    return 0;
}

void platform_add_backend_name(char *mixer_path, snd_device_t snd_device,
                               struct audio_usecase *usecase)
{
    if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) {
        ALOGE("%s: Invalid snd_device = %d", __func__, snd_device);
        return;
    }

    if ((snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT) &&
        !(usecase->type == VOICE_CALL || usecase->type == VOIP_CALL)) {
        ALOGI("%s: Not adding vbat speaker device to non voice use cases", __func__);
        return;
    }

    const char * suffix = backend_tag_table[snd_device];

    if (suffix != NULL) {
        strlcat(mixer_path, " ", MIXER_PATH_MAX_LENGTH);
        strlcat(mixer_path, suffix, MIXER_PATH_MAX_LENGTH);
    }
}

bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2)
{
    bool result = true;

    ALOGV("%s: snd_device1 = %s, snd_device2 = %s", __func__,
                platform_get_snd_device_name(snd_device1),
                platform_get_snd_device_name(snd_device2));

    if ((snd_device1 < SND_DEVICE_MIN) || (snd_device1 >= SND_DEVICE_OUT_END)) {
        ALOGE("%s: Invalid snd_device = %s", __func__,
                platform_get_snd_device_name(snd_device1));
        return false;
    }
    if ((snd_device2 < SND_DEVICE_MIN) || (snd_device2 >= SND_DEVICE_OUT_END)) {
        ALOGE("%s: Invalid snd_device = %s", __func__,
                platform_get_snd_device_name(snd_device2));
        return false;
    }
    const char * be_itf1 = hw_interface_table[snd_device1];
    const char * be_itf2 = hw_interface_table[snd_device2];

    if (NULL != be_itf1 && NULL != be_itf2) {
        if ((NULL == strstr(be_itf2, be_itf1)) && (NULL == strstr(be_itf1, be_itf2)))
            result = false;
    } else if (NULL == be_itf1 && NULL != be_itf2 && (NULL == strstr(be_itf2, default_rx_backend))) {
            result = false;
    } else if (NULL != be_itf1 && NULL == be_itf2 && (NULL == strstr(be_itf1, default_rx_backend))) {
            result = false;
    }

    ALOGV("%s: be_itf1 = %s, be_itf2 = %s, match %d", __func__, be_itf1, be_itf2, result);
    return result;
}

int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type)
{
    int device_id = -1;

    if (device_type == PCM_PLAYBACK)
        device_id = pcm_device_table[usecase][0];
    else
        device_id = pcm_device_table[usecase][1];
    return device_id;
}

static int find_index(struct name_to_index * table, int32_t len, const char * name)
{
    int ret = 0;
    int32_t i;

    if (table == NULL) {
        ALOGE("%s: table is NULL", __func__);
        ret = -ENODEV;
        goto done;
    }

    if (name == NULL) {
        ALOGE("null key");
        ret = -ENODEV;
        goto done;
    }

    for (i=0; i < len; i++) {
        const char* tn = table[i].name;
        size_t len = strlen(tn);
        if (strncmp(tn, name, len) == 0) {
            if (strlen(name) != len) {
                continue; // substring
            }
            ret = table[i].index;
            goto done;
        }
    }
    ALOGE("%s: Could not find index for name = %s",
            __func__, name);
    ret = -ENODEV;
done:
    return ret;
}

int platform_set_fluence_type(void *platform, char *value)
{
    int ret = 0;
    int fluence_type = FLUENCE_NONE;
    int fluence_flag = NONE_FLAG;
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;

    ALOGV("%s: fluence type:%d", __func__, my_data->fluence_type);

    /* only dual mic turn on and off is supported as of now through setparameters */
    if (!strncmp(AUDIO_PARAMETER_VALUE_DUALMIC,value, sizeof(AUDIO_PARAMETER_VALUE_DUALMIC))) {
        if (!strncmp("fluencepro", my_data->fluence_cap, sizeof("fluencepro")) ||
            !strncmp("fluence", my_data->fluence_cap, sizeof("fluence"))) {
            ALOGV("fluence dualmic feature enabled \n");
            fluence_type = FLUENCE_DUAL_MIC;
            fluence_flag = DMIC_FLAG;
        } else {
            ALOGE("%s: Failed to set DUALMIC", __func__);
            ret = -1;
            goto done;
        }
    } else if (!strncmp(AUDIO_PARAMETER_KEY_NO_FLUENCE, value, sizeof(AUDIO_PARAMETER_KEY_NO_FLUENCE))) {
        ALOGV("fluence disabled");
        fluence_type = FLUENCE_NONE;
    } else {
        ALOGE("Invalid fluence value : %s",value);
        ret = -1;
        goto done;
    }

    if (fluence_type != my_data->fluence_type) {
        ALOGV("%s: Updating fluence_type to :%d", __func__, fluence_type);
        my_data->fluence_type = fluence_type;
        adev->acdb_settings = (adev->acdb_settings & FLUENCE_MODE_CLEAR) | fluence_flag;
    }
done:
    return ret;
}

int platform_get_fluence_type(void *platform, char *value, uint32_t len)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (my_data->fluence_type == FLUENCE_HEX_MIC) {
        strlcpy(value, "hexmic", len);
    } else if (my_data->fluence_type == FLUENCE_QUAD_MIC) {
        strlcpy(value, "quadmic", len);
    } else if (my_data->fluence_type == FLUENCE_DUAL_MIC) {
        strlcpy(value, "dualmic", len);
    } else if (my_data->fluence_type == FLUENCE_NONE) {
        strlcpy(value, "none", len);
    } else
        ret = -1;

    return ret;
}

int platform_get_snd_device_index(char *device_name)
{
    return find_index(snd_device_name_index, SND_DEVICE_MAX, device_name);
}

int platform_get_usecase_index(const char *usecase_name)
{
    return find_index(usecase_name_index, AUDIO_USECASE_MAX, usecase_name);
}

int platform_get_effect_config_data(snd_device_t snd_device,
                                      struct audio_effect_config *effect_config,
                                      effect_type_t effect_type)
{
    int ret = 0;

    if ((snd_device < SND_DEVICE_IN_BEGIN) || (snd_device >= SND_DEVICE_MAX) ||
        (effect_type <= EFFECT_NONE) || (effect_type >= EFFECT_MAX)) {
        ALOGE("%s: Invalid snd_device = %d",
            __func__, snd_device);
        ret = -EINVAL;
        goto done;
    }

    if (effect_config == NULL) {
        ALOGE("%s: Invalid effect_config", __func__);
        ret = -EINVAL;
        goto done;
    }

    ALOGV("%s: snd_device = %d module_id = %d",
            __func__, snd_device, effect_config_table[GET_IN_DEVICE_INDEX(snd_device)][effect_type].module_id);
    memcpy(effect_config, &effect_config_table[GET_IN_DEVICE_INDEX(snd_device)][effect_type],
           sizeof(struct audio_effect_config));

done:
    return ret;
}

int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id)
{
    int ret = 0;

    if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) {
        ALOGE("%s: Invalid snd_device = %d",
            __func__, snd_device);
        ret = -EINVAL;
        goto done;
    }

    ALOGV("%s: acdb_device_table[%s]: old = %d new = %d", __func__,
          platform_get_snd_device_name(snd_device), acdb_device_table[snd_device], acdb_id);
    acdb_device_table[snd_device] = acdb_id;
done:
    return ret;
}

int platform_set_effect_config_data(snd_device_t snd_device,
                                      struct audio_effect_config effect_config,
                                      effect_type_t effect_type)
{
    int ret = 0;

    if ((snd_device < SND_DEVICE_IN_BEGIN) || (snd_device >= SND_DEVICE_MAX) ||
        (effect_type <= EFFECT_NONE) || (effect_type >= EFFECT_MAX)) {
        ALOGE("%s: Invalid snd_device = %d",
            __func__, snd_device);
        ret = -EINVAL;
        goto done;
    }

    ALOGV("%s 0x%x 0x%x 0x%x 0x%x", __func__, effect_config.module_id,
           effect_config.instance_id, effect_config.param_id,
           effect_config.param_value);
    effect_config_table[GET_IN_DEVICE_INDEX(snd_device)][effect_type] = effect_config;

done:
    return ret;
}

int platform_set_acdb_metainfo_key(void *platform, char *name, int key)
{
    struct meta_key_list *key_info;
    struct platform_data *pdata = (struct platform_data *)platform;

    key_info = (struct meta_key_list *)calloc(1, sizeof(struct meta_key_list));
    if (!key_info) {
        ALOGE("%s: Could not allocate memory for key %d", __func__, key);
        return -ENOMEM;
    }

    key_info->cal_info.nKey = key;
    strlcpy(key_info->name, name, sizeof(key_info->name));
    list_add_tail(&pdata->acdb_meta_key_list, &key_info->list);
    ALOGD("%s: successfully added module %s and key %d to the list", __func__,
               key_info->name, key_info->cal_info.nKey);
    return 0;
}

int platform_get_meta_info_key_from_list(void *platform, char *mod_name)
{
    struct listnode *node;
    struct meta_key_list *key_info;
    struct platform_data *pdata = (struct platform_data *)platform;
    int key = 0;

    ALOGV("%s: for module %s", __func__, mod_name);

    list_for_each(node, &pdata->acdb_meta_key_list) {
        key_info = node_to_item(node, struct meta_key_list, list);
        if (strcmp(key_info->name, mod_name) == 0) {
            key = key_info->cal_info.nKey;
            ALOGD("%s: Found key %d for module %s", __func__, key, mod_name);
            break;
        }
    }
    return key;
}

int platform_get_default_app_type(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;

    if (my_data->acdb_get_default_app_type)
        return my_data->acdb_get_default_app_type();
    else
        return DEFAULT_APP_TYPE;
}

int platform_get_default_app_type_v2(void *platform __unused,
                                     usecase_type_t type __unused)
{
    if(type == PCM_CAPTURE)
        return DEFAULT_APP_TYPE_TX_PATH;
    else
        return DEFAULT_APP_TYPE_RX_PATH;
}

int platform_get_snd_device_acdb_id(snd_device_t snd_device)
{
    if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) {
        ALOGE("%s: Invalid snd_device = %d", __func__, snd_device);
        return -EINVAL;
    }
    return acdb_device_table[snd_device];
}

int platform_set_snd_device_bit_width(snd_device_t snd_device, unsigned int bit_width)
{
    int ret = 0;

    if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) {
        ALOGE("%s: Invalid snd_device = %d",
            __func__, snd_device);
        ret = -EINVAL;
        goto done;
    }

    backend_bit_width_table[snd_device] = bit_width;
done:
    return ret;
}

int platform_get_snd_device_bit_width(snd_device_t snd_device)
{
    if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) {
        ALOGE("%s: Invalid snd_device = %d", __func__, snd_device);
        return CODEC_BACKEND_DEFAULT_BIT_WIDTH;
    }
    return backend_bit_width_table[snd_device];
}
int platform_set_native_support(int na_mode)
{
    if (NATIVE_AUDIO_MODE_SRC == na_mode || NATIVE_AUDIO_MODE_TRUE_44_1 == na_mode
        || NATIVE_AUDIO_MODE_MULTIPLE_44_1 == na_mode) {
        na_props.platform_na_prop_enabled = na_props.ui_na_prop_enabled = true;
        na_props.na_mode = na_mode;
        ALOGD("%s:napb: native audio playback enabled in (%s) mode", __func__,
              ((na_mode == NATIVE_AUDIO_MODE_SRC)?"SRC":
               (na_mode == NATIVE_AUDIO_MODE_TRUE_44_1)?"True":"Multiple"));
    } else {
        na_props.platform_na_prop_enabled = false;
        na_props.na_mode = NATIVE_AUDIO_MODE_INVALID;
        ALOGD("%s:napb: native audio playback disabled", __func__);
    }

    return 0;
}
bool platform_check_codec_dsd_support(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    return my_data->is_dsd_supported;
}
bool platform_check_codec_asrc_support(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    return my_data->is_asrc_supported;
}

int platform_get_native_support()
{
    int ret = NATIVE_AUDIO_MODE_INVALID;
    if (na_props.platform_na_prop_enabled &&
        na_props.ui_na_prop_enabled) {
        ret = na_props.na_mode;
    }
    ALOGV("%s:napb: ui Prop enabled(%d) version(%d)", __func__,
          na_props.ui_na_prop_enabled, na_props.na_mode);
    return ret;
}

void native_audio_get_params(struct str_parms *query,
                             struct str_parms *reply,
                             char *value, int len)
{
    int ret;
    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_NATIVE_AUDIO,
                            value, len);
    if (ret >= 0) {
        if (na_props.platform_na_prop_enabled) {
            str_parms_add_str(reply, AUDIO_PARAMETER_KEY_NATIVE_AUDIO,
                          na_props.ui_na_prop_enabled ? "true" : "false");
            ALOGV("%s:napb: na_props.ui_na_prop_enabled: %d", __func__,
                  na_props.ui_na_prop_enabled);
        } else {
            str_parms_add_str(reply, AUDIO_PARAMETER_KEY_NATIVE_AUDIO,
                              "false");
            ALOGV("%s:napb: native audio not supported: %d", __func__,
                  na_props.platform_na_prop_enabled);
        }
    }
}

int native_audio_set_params(struct platform_data *platform,
                            struct str_parms *parms, char *value, int len)
{
    int ret = -1;
    struct audio_usecase *usecase;
    struct listnode *node;
    int mode = NATIVE_AUDIO_MODE_INVALID;

    if (!value || !parms)
        return ret;

    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_NATIVE_AUDIO_MODE,
                             value, len);
    if (ret >= 0) {
        if (value && !strncmp(value, "src", sizeof("src")))
            mode = NATIVE_AUDIO_MODE_SRC;
        else if (value && !strncmp(value, "true", sizeof("true")))
            mode = NATIVE_AUDIO_MODE_TRUE_44_1;
        else if (value && !strncmp(value, "multiple", sizeof("multiple")))
            mode = NATIVE_AUDIO_MODE_MULTIPLE_44_1;
        else {
            mode = NATIVE_AUDIO_MODE_INVALID;
            ALOGE("%s:napb:native_audio_mode in platform info xml,invalid mode string",
                  __func__);
        }
        ALOGD("%s:napb updating mode (%d) from XML",__func__, mode);
        platform_set_native_support(mode);
    }


    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_NATIVE_AUDIO,
                             value, len);
    if (ret >= 0) {
        if (na_props.platform_na_prop_enabled) {
            if (!strncmp("true", value, sizeof("true"))) {
                na_props.ui_na_prop_enabled = true;
                ALOGD("%s:napb: native audio feature enabled from UI",
                    __func__);
            }
            else {
                na_props.ui_na_prop_enabled = false;
                ALOGD("%s:napb: native audio feature disabled from UI",
                      __func__);
            }

            str_parms_del(parms, AUDIO_PARAMETER_KEY_NATIVE_AUDIO);

            /*
             * Iterate through the usecase list and trigger device switch for
             * all the appropriate usecases
             */
            list_for_each(node, &(platform->adev)->usecase_list) {
                 usecase = node_to_item(node, struct audio_usecase, list);

                 if (is_offload_usecase(usecase->id) &&
                    (usecase->stream.out->devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
                    usecase->stream.out->devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) &&
                    OUTPUT_SAMPLING_RATE_44100 == usecase->stream.out->sample_rate) {
                         ALOGD("%s:napb: triggering dynamic device switch for usecase(%d: %s)"
                               " stream(%p), device(%d)", __func__, usecase->id,
                               use_case_table[usecase->id], (void*) usecase->stream.out,
                               usecase->stream.out->devices);
                         select_devices(platform->adev, usecase->id);
                 }
            }
        } else
              ALOGD("%s:napb: native audio cannot be enabled from UI",
                    __func__);
    }
    return ret;
}

static void true_32_bit_set_params(struct str_parms *parms,
                                 char *value, int len)
{
    int ret = 0;

    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_TRUE_32_BIT,
                            value,len);
    if (ret >= 0) {
        if (value && !strncmp(value, "true", sizeof("src")))
            supports_true_32_bit = true;
        else
            supports_true_32_bit = false;
        str_parms_del(parms, AUDIO_PARAMETER_KEY_TRUE_32_BIT);
    }

}

bool platform_supports_true_32bit()
{
    return supports_true_32_bit;
}

int check_hdset_combo_device(snd_device_t snd_device)
{
    int ret = false;

    if (SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES == snd_device ||
        SND_DEVICE_OUT_SPEAKER_AND_LINE == snd_device ||
        SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_1 == snd_device ||
        SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_2 == snd_device ||
        SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET == snd_device)
        ret = true;

    return ret;
}

int codec_device_supports_native_playback(audio_devices_t out_device)
{
    int ret = false;

    if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
        out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET ||
        out_device & AUDIO_DEVICE_OUT_LINE)
        ret = true;

    return ret;
}

int platform_get_backend_index(snd_device_t snd_device)
{
    int32_t port = DEFAULT_CODEC_BACKEND;

    if (snd_device >= SND_DEVICE_OUT_BEGIN && snd_device < SND_DEVICE_OUT_END) {
        if (backend_tag_table[snd_device] != NULL) {
                if (strncmp(backend_tag_table[snd_device], "headphones-44.1",
                            sizeof("headphones-44.1")) == 0)
                        port = HEADPHONE_44_1_BACKEND;
                else if (strncmp(backend_tag_table[snd_device], "headphones-dsd",
                            sizeof("headphones-dsd")) == 0)
                        port = DSD_NATIVE_BACKEND;
                else if (strncmp(backend_tag_table[snd_device], "headphones",
                            sizeof("headphones")) == 0)
                        port = HEADPHONE_BACKEND;
                else if (strcmp(backend_tag_table[snd_device], "hdmi") == 0)
                        port = HDMI_RX_BACKEND;
                else if (strcmp(backend_tag_table[snd_device], "display-port") == 0)
                        port = DISP_PORT_RX_BACKEND;
                else if ((strcmp(backend_tag_table[snd_device], "usb-headphones") == 0) ||
                            (strcmp(backend_tag_table[snd_device], "usb-headset") == 0))
                        port = USB_AUDIO_RX_BACKEND;
        }
    } else if (snd_device >= SND_DEVICE_IN_BEGIN && snd_device < SND_DEVICE_IN_END) {
        port = DEFAULT_CODEC_TX_BACKEND;
        if (backend_tag_table[snd_device] != NULL) {
                if (strcmp(backend_tag_table[snd_device], "usb-headset-mic") == 0)
                        port = USB_AUDIO_TX_BACKEND;
                else if (strstr(backend_tag_table[snd_device], "bt-sco") != NULL)
                        port = BT_SCO_TX_BACKEND;
                else if (strcmp(backend_tag_table[snd_device], "hdmi-mic") == 0)
                        port = HDMI_TX_BACKEND;
        }
    } else {
        ALOGW("%s:napb: Invalid device - %d ", __func__, snd_device);
    }

    ALOGV("%s:napb: backend port - %d device - %d ", __func__, port, snd_device);
    return port;
}

int platform_send_audio_calibration(void *platform, struct audio_usecase *usecase,
                                    int app_type, int sample_rate)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int acdb_dev_id, acdb_dev_type;
    int snd_device = SND_DEVICE_OUT_SPEAKER;
    int new_snd_device[SND_DEVICE_OUT_END] = {0};
    int i, num_devices = 1;

    if (usecase->type == PCM_PLAYBACK)
        snd_device = usecase->out_snd_device;
    else if ((usecase->type == PCM_CAPTURE) &&
                   voice_is_in_call_rec_stream(usecase->stream.in))
        snd_device = voice_get_incall_rec_snd_device(usecase->in_snd_device);
    else if ((usecase->type == PCM_HFP_CALL) || (usecase->type == PCM_CAPTURE))
        snd_device = usecase->in_snd_device;
    else if (usecase->type == TRANSCODE_LOOPBACK)
        snd_device = usecase->out_snd_device;

    acdb_dev_id = acdb_device_table[platform_get_spkr_prot_snd_device(snd_device)];

    if (platform_split_snd_device(platform, snd_device, &num_devices,
                                  new_snd_device) < 0) {
        new_snd_device[0] = snd_device;
    }

    for (i = 0; i < num_devices; i++) {
        acdb_dev_id = acdb_device_table[platform_get_spkr_prot_snd_device(new_snd_device[i])];

        // Do not use Rx path default app type for TX path
        if ((usecase->type == PCM_CAPTURE) && (app_type == DEFAULT_APP_TYPE_RX_PATH)) {
            ALOGD("Resetting app type for Tx path to default");
            app_type  = DEFAULT_APP_TYPE_TX_PATH;
        }
        if (acdb_dev_id < 0) {
            ALOGE("%s: Could not find acdb id for device(%d)",
                  __func__, new_snd_device[i]);
            return -EINVAL;
        }
        ALOGV("%s: sending audio calibration for snd_device(%d) acdb_id(%d)",
              __func__, new_snd_device[i], acdb_dev_id);
        if (new_snd_device[i] >= SND_DEVICE_OUT_BEGIN &&
                new_snd_device[i] < SND_DEVICE_OUT_END)
            acdb_dev_type = ACDB_DEV_TYPE_OUT;
        else
            acdb_dev_type = ACDB_DEV_TYPE_IN;

        if (my_data->acdb_send_audio_cal_v3) {
            my_data->acdb_send_audio_cal_v3(acdb_dev_id, acdb_dev_type, app_type,
                                            sample_rate, i);
        } else if (my_data->acdb_send_audio_cal) {
            my_data->acdb_send_audio_cal(acdb_dev_id, acdb_dev_type, app_type,
                                         sample_rate);
        }
    }
    return 0;
}

int platform_switch_voice_call_device_pre(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int ret = 0;

    if (my_data->csd != NULL &&
        voice_is_in_call(my_data->adev)) {
        /* This must be called before disabling mixer controls on APQ side */
        ret = my_data->csd->disable_device();
        if (ret < 0) {
            ALOGE("%s: csd_client_disable_device, failed, error %d",
                  __func__, ret);
        }
    }
    return ret;
}

int platform_switch_voice_call_enable_device_config(void *platform,
                                                    snd_device_t out_snd_device,
                                                    snd_device_t in_snd_device)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int acdb_rx_id, acdb_tx_id;
    int ret = 0;

    if (my_data->csd == NULL)
        return ret;

    if ((out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER ||
         out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2 ||
         out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT ||
         out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT) &&
         audio_extn_spkr_prot_is_enabled()) {
        if (my_data->is_vbat_speaker)
            acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT];
        else
            acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED];
    } else
        acdb_rx_id = acdb_device_table[out_snd_device];

    acdb_tx_id = acdb_device_table[in_snd_device];

    if (acdb_rx_id > 0 && acdb_tx_id > 0) {
        ret = my_data->csd->enable_device_config(acdb_rx_id, acdb_tx_id);
        if (ret < 0) {
            ALOGE("%s: csd_enable_device_config, failed, error %d",
                  __func__, ret);
        }
    } else {
        ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
              acdb_rx_id, acdb_tx_id);
    }

    return ret;
}

int platform_switch_voice_call_device_post(void *platform,
                                           snd_device_t out_snd_device,
                                           snd_device_t in_snd_device)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int acdb_rx_id, acdb_tx_id;

    if (my_data->acdb_send_voice_cal == NULL) {
        ALOGE("%s: dlsym error for acdb_send_voice_call", __func__);
    } else {
        if (audio_extn_spkr_prot_is_enabled()) {
            if (out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER ||
                out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_WSA)
                out_snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED;
            else if (out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2 ||
                out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA)
                out_snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED;
            else if (out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT)
                out_snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT;
            else if (out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT)
                out_snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT;
        }

        acdb_rx_id = acdb_device_table[out_snd_device];
        acdb_tx_id = acdb_device_table[in_snd_device];

        if (acdb_rx_id > 0 && acdb_tx_id > 0)
            my_data->acdb_send_voice_cal(acdb_rx_id, acdb_tx_id);
        else
            ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
                  acdb_rx_id, acdb_tx_id);
    }

    return 0;
}

int platform_switch_voice_call_usecase_route_post(void *platform,
                                                  snd_device_t out_snd_device,
                                                  snd_device_t in_snd_device)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int acdb_rx_id, acdb_tx_id;
    int ret = 0;

    if (my_data->csd == NULL)
        return ret;

    if ((out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER ||
         out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2 ||
         out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT ||
         out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT) &&
         audio_extn_spkr_prot_is_enabled()) {
        if (my_data->is_vbat_speaker)
            acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT];
         else
            acdb_rx_id = acdb_device_table[SND_DEVICE_OUT_SPEAKER_PROTECTED];
    } else
        acdb_rx_id = acdb_device_table[out_snd_device];

    acdb_tx_id = acdb_device_table[in_snd_device];

    if (acdb_rx_id > 0 && acdb_tx_id > 0) {
        ret = my_data->csd->enable_device(acdb_rx_id, acdb_tx_id,
                                          my_data->adev->acdb_settings);
        if (ret < 0) {
            ALOGE("%s: csd_enable_device, failed, error %d", __func__, ret);
        }
    } else {
        ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
              acdb_rx_id, acdb_tx_id);
    }

    return ret;
}

int platform_start_voice_call(void *platform, uint32_t vsid)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int ret = 0;

    if (my_data->csd != NULL) {
        ret = my_data->csd->start_voice(vsid);
        if (ret < 0) {
            ALOGE("%s: csd_start_voice error %d\n", __func__, ret);
        }
    }
    return ret;
}

int platform_stop_voice_call(void *platform, uint32_t vsid)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    int ret = 0;

    if (my_data->csd != NULL) {
        ret = my_data->csd->stop_voice(vsid);
        if (ret < 0) {
            ALOGE("%s: csd_stop_voice error %d\n", __func__, ret);
        }
    }
    return ret;
}

int platform_get_sample_rate(void *platform __unused,
                             uint32_t *rate __unused)
{
    return 0;
}

int platform_set_voice_volume(void *platform, int volume)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    const char *mixer_ctl_name = "Voice Rx Gain";
    int vol_index = 0, ret = 0;
    long set_values[ ] = {0,
                          ALL_SESSION_VSID,
                          DEFAULT_VOLUME_RAMP_DURATION_MS};

    // Voice volume levels are mapped to adsp volume levels as follows.
    // 100 -> 5, 80 -> 4, 60 -> 3, 40 -> 2, 20 -> 1  0 -> 0
    // But this values don't changed in kernel. So, below change is need.
    vol_index = (int)percent_to_index(volume, MIN_VOL_INDEX, MAX_VOL_INDEX);
    set_values[0] = vol_index;

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        ret = -EINVAL;
    } else {
        ALOGV("%s Setting voice volume index: %ld",__func__, set_values[0]);
        mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
    }

    if (my_data->csd != NULL) {
        ret = my_data->csd->volume(ALL_SESSION_VSID, volume,
                                   DEFAULT_VOLUME_RAMP_DURATION_MS);
        if (ret < 0) {
            ALOGE("%s: csd_volume error %d", __func__, ret);
        }
    }
    return ret;
}

int platform_set_mic_mute(void *platform, bool state)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    const char *mixer_ctl_name = "Voice Tx Mute";
    int ret = 0;
    long set_values[ ] = {0,
                          ALL_SESSION_VSID,
                          DEFAULT_MUTE_RAMP_DURATION_MS};

    set_values[0] = state;
    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        ret = -EINVAL;
    } else {
        ALOGV("%s: Setting voice mute state: %d",__func__, state);
        mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
    }

    if (my_data->csd != NULL) {
        ret = my_data->csd->mic_mute(ALL_SESSION_VSID, state,
                                     DEFAULT_MUTE_RAMP_DURATION_MS);
        if (ret < 0) {
            ALOGE("%s: csd_mic_mute error %d", __func__, ret);
        }
    }
    return ret;
}

int platform_set_device_mute(void *platform, bool state, char *dir)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    char *mixer_ctl_name = NULL;
    int ret = 0;
    long set_values[ ] = {0,
                          ALL_SESSION_VSID,
                          0};
    if(dir == NULL) {
        ALOGE("%s: Invalid direction:%s", __func__, dir);
        return -EINVAL;
    }

    if (!strncmp("rx", dir, sizeof("rx"))) {
        mixer_ctl_name = "Voice Rx Device Mute";
    } else if (!strncmp("tx", dir, sizeof("tx"))) {
        mixer_ctl_name = "Voice Tx Device Mute";
    } else {
        return -EINVAL;
    }

    set_values[0] = state;
    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        return -EINVAL;
    }

    ALOGV("%s: Setting device mute state: %d, mixer ctrl:%s",
          __func__,state, mixer_ctl_name);
    mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));

    return ret;
}

int platform_split_snd_device(void *platform,
                              snd_device_t snd_device,
                              int *num_devices,
                              snd_device_t *new_snd_devices)
{
    int ret = -EINVAL;
    struct platform_data *my_data = (struct platform_data *)platform;
    if (NULL == num_devices || NULL == new_snd_devices) {
        ALOGE("%s: NULL pointer ..", __func__);
        return -EINVAL;
    }

    /*
     * If wired headset/headphones/line devices share the same backend
     * with speaker/earpiece this routine returns -EINVAL.
     */
    if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES &&
        !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_HEADPHONES)) {
        *num_devices = 2;

         if (my_data->is_vbat_speaker)
             new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER_VBAT;
         else if (my_data->is_wsa_speaker)
             new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER_WSA;
         else
             new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;

        new_snd_devices[1] = SND_DEVICE_OUT_HEADPHONES;
        ret = 0;
    } else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET &&
               !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_ANC_HEADSET)) {
        *num_devices = 2;
        new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;
        new_snd_devices[1] = SND_DEVICE_OUT_HEADPHONES;
        ret = 0;
    } else if (snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_HEADPHONES &&
               !platform_check_backends_match(SND_DEVICE_OUT_VOICE_SPEAKER, SND_DEVICE_OUT_VOICE_HEADPHONES)) {
        *num_devices = 2;
        new_snd_devices[0] = SND_DEVICE_OUT_VOICE_SPEAKER;
        new_snd_devices[1] = SND_DEVICE_OUT_VOICE_HEADPHONES;
        ret = 0;
    } else if (snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_ANC_HEADSET &&
               !platform_check_backends_match(SND_DEVICE_OUT_VOICE_SPEAKER, SND_DEVICE_OUT_VOICE_ANC_HEADSET)) {
        *num_devices = 2;
        new_snd_devices[0] = SND_DEVICE_OUT_VOICE_SPEAKER;
        new_snd_devices[1] = SND_DEVICE_OUT_VOICE_ANC_HEADSET;
        ret = 0;
    } else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI &&
               !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_HDMI)) {
        *num_devices = 2;

        if (my_data->is_vbat_speaker)
            new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER_VBAT;
        else if (my_data->is_wsa_speaker)
            new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER_WSA;
        else
            new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;

        new_snd_devices[1] = SND_DEVICE_OUT_HDMI;
        ret = 0;
    } else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_DISPLAY_PORT &&
               !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_DISPLAY_PORT)) {
        *num_devices = 2;

        if (my_data->is_vbat_speaker)
            new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER_VBAT;
        else if (my_data->is_wsa_speaker)
            new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER_WSA;
        else
            new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;

        new_snd_devices[1] = SND_DEVICE_OUT_DISPLAY_PORT;
        ret = 0;
    } else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET &&
               !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_USB_HEADSET)) {
        *num_devices = 2;
        new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;
        new_snd_devices[1] = SND_DEVICE_OUT_USB_HEADSET;
        ret = 0;
    } else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_BT_SCO &&
               !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_BT_SCO)) {
        *num_devices = 2;
        new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;
        new_snd_devices[1] = SND_DEVICE_OUT_BT_SCO;
        ret = 0;
    } else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_BT_SCO_WB &&
               !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_BT_SCO_WB)) {
        *num_devices = 2;
        new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;
        new_snd_devices[1] = SND_DEVICE_OUT_BT_SCO_WB;
        ret = 0;
    } else if (SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP == snd_device) {
        *num_devices = 2;
        new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER;
        new_snd_devices[1] = SND_DEVICE_OUT_BT_A2DP;
        ret = 0;
    }

    ALOGD("%s: snd_device(%d) num devices(%d) new_snd_devices(%d)", __func__,
        snd_device, *num_devices, *new_snd_devices);

    return ret;
}

int platform_get_ext_disp_type(void *platform)
{
    int disp_type;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (my_data->ext_disp_type != EXT_DISPLAY_TYPE_NONE) {
         ALOGD("%s: Returning cached ext disp type:%s",
               __func__, (my_data->ext_disp_type == EXT_DISPLAY_TYPE_DP) ? "DisplayPort" : "HDMI");
         return my_data->ext_disp_type;
    }

#ifdef DISPLAY_PORT_ENABLED
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    char *mixer_ctl_name = "External Display Type";

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        return -EINVAL;
    }

    disp_type = mixer_ctl_get_value(ctl, 0);
    if (disp_type == EXT_DISPLAY_TYPE_NONE) {
         ALOGE("%s: Invalid external display type: %d", __func__, disp_type);
         return -EINVAL;
    }
#else
    disp_type = EXT_DISPLAY_TYPE_HDMI;
#endif
    my_data->ext_disp_type = disp_type;
    ALOGD("%s: ext disp type:%s", __func__, (disp_type == EXT_DISPLAY_TYPE_DP) ? "DisplayPort" : "HDMI");
    return disp_type;
}

snd_device_t platform_get_output_snd_device(void *platform, struct stream_out *out)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    audio_mode_t mode = adev->mode;
    snd_device_t snd_device = SND_DEVICE_NONE;
    audio_devices_t devices = out->devices;
    unsigned int sample_rate = out->sample_rate;
    int na_mode = platform_get_native_support();
#ifdef RECORD_PLAY_CONCURRENCY
    bool use_voip_out_devices = false;
    bool prop_rec_play_enabled = false;
    char recConcPropValue[PROPERTY_VALUE_MAX];

    if (property_get("vendor.audio.rec.playback.conc.disabled", recConcPropValue, NULL)) {
        prop_rec_play_enabled = atoi(recConcPropValue) || !strncmp("true", recConcPropValue, 4);
    }
    use_voip_out_devices =  prop_rec_play_enabled &&
                        (my_data->rec_play_conc_set || adev->mode == AUDIO_MODE_IN_COMMUNICATION);
    ALOGV("platform_get_output_snd_device use_voip_out_devices : %d",use_voip_out_devices);
#endif

    audio_channel_mask_t channel_mask = (adev->active_input == NULL) ?
                                AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask;
    int channel_count = popcount(channel_mask);

    ALOGV("%s: enter: output devices(%#x)", __func__, devices);
    if (devices == AUDIO_DEVICE_NONE ||
        devices & AUDIO_DEVICE_BIT_IN) {
        ALOGV("%s: Invalid output devices (%#x)", __func__, devices);
        goto exit;
    }

    if (popcount(devices) == 2) {
        bool is_active_voice_call = false;

        /*
        * This is special case handling for combo device use case during
        * voice call. APM route use case to combo device if stream type is
        * enforced audible (e.g. Camera shutter sound).
        */
        if ((mode == AUDIO_MODE_IN_CALL) ||
            voice_is_in_call(adev) ||
            voice_extn_compress_voip_is_active(adev))
                is_active_voice_call = true;

        if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
                        AUDIO_DEVICE_OUT_SPEAKER)) {
            if (my_data->external_spk_1)
                snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_1;
            else if (my_data->external_spk_2)
                snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_2;
            else if (is_active_voice_call)
                snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_HEADPHONES;
            else
                snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
        } else if (devices == (AUDIO_DEVICE_OUT_LINE |
                               AUDIO_DEVICE_OUT_SPEAKER)) {
                snd_device = SND_DEVICE_OUT_SPEAKER_AND_LINE;
        } else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET |
                               AUDIO_DEVICE_OUT_SPEAKER)) {
            if (audio_extn_get_anc_enabled()) {
                if (is_active_voice_call)
                    snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_ANC_HEADSET;
                else
                    snd_device = SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET;
            } else if (my_data->external_spk_1)
                snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_1;
            else if (my_data->external_spk_2)
                snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES_EXTERNAL_2;
            else {
                if (is_active_voice_call)
                    snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_AND_VOICE_HEADPHONES;
                else
                    snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
            }
        } else if (devices == (AUDIO_DEVICE_OUT_AUX_DIGITAL |
                               AUDIO_DEVICE_OUT_SPEAKER)) {
            switch(my_data->ext_disp_type) {
                case EXT_DISPLAY_TYPE_HDMI:
                     snd_device = SND_DEVICE_OUT_SPEAKER_AND_HDMI;
                     break;
                case EXT_DISPLAY_TYPE_DP:
                     snd_device = SND_DEVICE_OUT_SPEAKER_AND_DISPLAY_PORT;
                     break;
                default:
                     ALOGE("%s: Invalid disp_type %d", __func__, my_data->ext_disp_type);
                     goto exit;
            }
        } else if (devices == (AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET |
                               AUDIO_DEVICE_OUT_SPEAKER)) {
            snd_device = SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET;
        } else if ((devices == (AUDIO_DEVICE_OUT_USB_DEVICE |
                               AUDIO_DEVICE_OUT_SPEAKER)) ||
                    (devices == (AUDIO_DEVICE_OUT_USB_HEADSET |
                               AUDIO_DEVICE_OUT_SPEAKER))){
            snd_device = SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET;
        } else if ((devices & AUDIO_DEVICE_OUT_SPEAKER) &&
                   (devices & AUDIO_DEVICE_OUT_ALL_A2DP)) {
            snd_device = SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP;
        } else if ((devices & AUDIO_DEVICE_OUT_ALL_SCO) &&
                   ((devices & ~AUDIO_DEVICE_OUT_ALL_SCO) == AUDIO_DEVICE_OUT_SPEAKER)) {
            snd_device = adev->bt_wb_speech_enabled ?
                    SND_DEVICE_OUT_SPEAKER_AND_BT_SCO_WB :
                    SND_DEVICE_OUT_SPEAKER_AND_BT_SCO;
        } else {
            ALOGE("%s: Invalid combo device(%#x)", __func__, devices);
            goto exit;
        }
        if (snd_device != SND_DEVICE_NONE) {
            goto exit;
        }
    }

    if (popcount(devices) != 1) {
        ALOGE("%s: Invalid output devices(%#x)", __func__, devices);
        goto exit;
    }

    if ((mode == AUDIO_MODE_IN_CALL) ||
        voice_is_in_call(adev) ||
        voice_extn_compress_voip_is_active(adev)) {
        if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
            devices & AUDIO_DEVICE_OUT_WIRED_HEADSET ||
            devices & AUDIO_DEVICE_OUT_LINE) {
            if ((adev->voice.tty_mode != TTY_MODE_OFF) &&
                !voice_extn_compress_voip_is_active(adev)) {
                switch (adev->voice.tty_mode) {
                case TTY_MODE_FULL:
                    snd_device = SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES;
                    break;
                case TTY_MODE_VCO:
                    snd_device = SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES;
                    break;
                case TTY_MODE_HCO:
                    snd_device = SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET;
                    break;
                default:
                    ALOGE("%s: Invalid TTY mode (%#x)",
                          __func__, adev->voice.tty_mode);
                }
            } else if (devices & AUDIO_DEVICE_OUT_LINE) {
                snd_device = SND_DEVICE_OUT_VOICE_LINE;
            } else if (audio_extn_get_anc_enabled()) {
                if (audio_extn_should_use_fb_anc())
                    snd_device = SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET;
                else
                    snd_device = SND_DEVICE_OUT_VOICE_ANC_HEADSET;
            } else {
                snd_device = SND_DEVICE_OUT_VOICE_HEADPHONES;
            }
        } else if (devices &
                    (AUDIO_DEVICE_OUT_USB_DEVICE |
                     AUDIO_DEVICE_OUT_USB_HEADSET)) {
            if (snd_device == SND_DEVICE_NONE) {
                    snd_device = audio_extn_usb_is_capture_supported() ?
                             SND_DEVICE_OUT_VOICE_USB_HEADSET :
                             SND_DEVICE_OUT_VOICE_USB_HEADPHONES;
            }
        } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
            if (adev->bt_wb_speech_enabled)
                snd_device = SND_DEVICE_OUT_BT_SCO_WB;
            else
                snd_device = SND_DEVICE_OUT_BT_SCO;
        } else if (devices & AUDIO_DEVICE_OUT_ALL_A2DP) {
                snd_device = SND_DEVICE_OUT_BT_A2DP;
        } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
                if (my_data->is_vbat_speaker) {
                    if (my_data->mono_speaker == SPKR_1)
                        snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_VBAT;
                    else
                        snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT;
                } else if (my_data->is_wsa_speaker) {
                    if (my_data->mono_speaker == SPKR_1)
                        snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_WSA;
                    else
                        snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA;
                } else {
                    if (my_data->mono_speaker == SPKR_1)
                        snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
                    else
                        snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_2;
                }
        } else if (devices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET ||
                   devices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) {
            snd_device = SND_DEVICE_OUT_USB_HEADSET;
        } else if (devices & AUDIO_DEVICE_OUT_FM_TX) {
            snd_device = SND_DEVICE_OUT_TRANSMISSION_FM;
        } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
            if (audio_extn_should_use_handset_anc(channel_count))
                snd_device = SND_DEVICE_OUT_ANC_HANDSET;
            else
                snd_device = SND_DEVICE_OUT_VOICE_HANDSET;
        } else if (devices & AUDIO_DEVICE_OUT_TELEPHONY_TX)
            snd_device = SND_DEVICE_OUT_VOICE_TX;

        if (snd_device != SND_DEVICE_NONE) {
            goto exit;
        }
    }

    if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
        devices & AUDIO_DEVICE_OUT_WIRED_HEADSET ||
        devices & AUDIO_DEVICE_OUT_LINE) {
        if (OUTPUT_SAMPLING_RATE_44100 == sample_rate &&
            NATIVE_AUDIO_MODE_SRC == na_mode &&
            !audio_extn_get_anc_enabled()) {

            snd_device = SND_DEVICE_OUT_HEADPHONES_44_1;

        } else if (devices & AUDIO_DEVICE_OUT_WIRED_HEADSET
            && audio_extn_get_anc_enabled()) {
#ifdef RECORD_PLAY_CONCURRENCY
            if (use_voip_out_devices) {
                // ANC should be disabled for voip concurrency
                snd_device = SND_DEVICE_OUT_VOIP_HEADPHONES;
            } else
#endif
            {
                if (audio_extn_should_use_fb_anc())
                    snd_device = SND_DEVICE_OUT_ANC_FB_HEADSET;
                else
                    snd_device = SND_DEVICE_OUT_ANC_HEADSET;
            }
        } else if (NATIVE_AUDIO_MODE_SRC == na_mode &&
                   OUTPUT_SAMPLING_RATE_44100 == sample_rate) {
                snd_device = SND_DEVICE_OUT_HEADPHONES_44_1;
        } else if (NATIVE_AUDIO_MODE_MULTIPLE_44_1 == na_mode &&
                   (sample_rate % OUTPUT_SAMPLING_RATE_44100 == 0) &&
                   (out->format != AUDIO_FORMAT_DSD)) {
                snd_device = SND_DEVICE_OUT_HEADPHONES_44_1;
        } else if (out->format == AUDIO_FORMAT_DSD) {
                snd_device = SND_DEVICE_OUT_HEADPHONES_DSD;
        } else if (devices & AUDIO_DEVICE_OUT_LINE) {
                snd_device = SND_DEVICE_OUT_LINE;
        }  else {
#ifdef RECORD_PLAY_CONCURRENCY
            if (use_voip_out_devices)
                snd_device = SND_DEVICE_OUT_VOIP_HEADPHONES;
            else
#endif
                snd_device = SND_DEVICE_OUT_HEADPHONES;
        }
    } else if (devices & AUDIO_DEVICE_OUT_LINE) {
        snd_device = SND_DEVICE_OUT_LINE;
    } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
#ifdef RECORD_PLAY_CONCURRENCY
        if (use_voip_out_devices) {
            snd_device = SND_DEVICE_OUT_VOIP_SPEAKER;
        } else
#endif
        {
            if (adev->speaker_lr_swap)
                snd_device = SND_DEVICE_OUT_SPEAKER_REVERSE;
            else
            {
                if (my_data->is_vbat_speaker)
                    snd_device = SND_DEVICE_OUT_SPEAKER_VBAT;
                else if (my_data->is_wsa_speaker)
                    snd_device = SND_DEVICE_OUT_SPEAKER_WSA;
                else
                    snd_device = SND_DEVICE_OUT_SPEAKER;
            }
        }
    } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
        if (adev->bt_wb_speech_enabled)
            snd_device = SND_DEVICE_OUT_BT_SCO_WB;
        else
            snd_device = SND_DEVICE_OUT_BT_SCO;
    } else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
            switch(my_data->ext_disp_type) {
                case EXT_DISPLAY_TYPE_HDMI:
                    snd_device = SND_DEVICE_OUT_HDMI;
                    break;
                case EXT_DISPLAY_TYPE_DP:
                    snd_device = SND_DEVICE_OUT_DISPLAY_PORT;
                    break;
                default:
                     ALOGE("%s: Invalid disp_type %d", __func__, my_data->ext_disp_type);
                     goto exit;
            }
    } else if (devices & AUDIO_DEVICE_OUT_ALL_A2DP) {
        snd_device = SND_DEVICE_OUT_BT_A2DP;
    } else if (devices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET ||
               devices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) {
        ALOGD("%s: setting USB hadset channel capability(2) for Proxy", __func__);
        audio_extn_set_afe_proxy_channel_mixer(adev, 2);
        snd_device = SND_DEVICE_OUT_USB_HEADSET;
    } else if (devices &
                (AUDIO_DEVICE_OUT_USB_DEVICE |
                 AUDIO_DEVICE_OUT_USB_HEADSET)) {
        if (audio_extn_usb_is_capture_supported())
           snd_device = SND_DEVICE_OUT_USB_HEADSET;
        else
           snd_device = SND_DEVICE_OUT_USB_HEADPHONES;
    } else if (devices & AUDIO_DEVICE_OUT_FM_TX) {
        snd_device = SND_DEVICE_OUT_TRANSMISSION_FM;
    } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
#ifdef RECORD_PLAY_CONCURRENCY
        if (use_voip_out_devices)
            snd_device = SND_DEVICE_OUT_VOIP_HANDSET;
        else
#endif
            snd_device = SND_DEVICE_OUT_HANDSET;
    } else if (devices & AUDIO_DEVICE_OUT_PROXY) {
        channel_count = audio_extn_get_afe_proxy_channel_count();
        ALOGD("%s: setting sink capability(%d) for Proxy", __func__, channel_count);
        audio_extn_set_afe_proxy_channel_mixer(adev, channel_count);
        snd_device = SND_DEVICE_OUT_AFE_PROXY;
    } else {
        ALOGE("%s: Unknown device(s) %#x", __func__, devices);
    }
exit:
    ALOGV("%s: exit: snd_device(%s)", __func__, device_table[snd_device]);
    return snd_device;
}

#ifdef DYNAMIC_ECNS_ENABLED
static snd_device_t get_snd_device_for_voice_comm(struct platform_data *my_data,
                                                  audio_devices_t out_device,
                                                  audio_devices_t in_device)
{
    struct audio_device *adev = my_data->adev;
    snd_device_t snd_device = SND_DEVICE_NONE;

    if (my_data->fluence_type != FLUENCE_NONE) {
        if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
            if (my_data->fluence_in_spkr_mode) {
                if ((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                    (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                    snd_device = SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS;
                } else if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                           (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                    if (my_data->fluence_mode == FLUENCE_BROADSIDE)
                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE;
                    else
                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS;
                }
                adev->acdb_settings |= DMIC_FLAG;
            } else
                snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC_NS;
        } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
            if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                snd_device = SND_DEVICE_IN_HANDSET_DMIC_AEC_NS;
                adev->acdb_settings |= DMIC_FLAG;
            } else
                snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC_NS;
        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
            snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE;
        }
        platform_set_echo_reference(adev, true, out_device);
    }

    return snd_device;
}
#else
static snd_device_t get_snd_device_for_voice_comm(struct platform_data *my_data,
                                                  audio_devices_t out_device,
                                                  audio_devices_t in_device)
{
    struct audio_device *adev = my_data->adev;
    snd_device_t snd_device = SND_DEVICE_NONE;

    if (my_data->fluence_type != FLUENCE_NONE && adev->active_input->enable_aec &&
        adev->active_input->enable_ns) {
        if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
            if (my_data->fluence_in_spkr_mode) {
                if ((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                    (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                    snd_device = SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS;
                } else if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                           (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                    if (my_data->fluence_mode == FLUENCE_BROADSIDE)
                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE;
                    else
                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS;
                }
                adev->acdb_settings |= DMIC_FLAG;
            } else
                snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC_NS;
        } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
            if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                snd_device = SND_DEVICE_IN_HANDSET_DMIC_AEC_NS;
                adev->acdb_settings |= DMIC_FLAG;
            } else
                snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC_NS;
        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
            snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE;
        } else if (audio_is_usb_in_device(in_device | AUDIO_DEVICE_BIT_IN)) {
            snd_device = SND_DEVICE_IN_USB_HEADSET_MIC_AEC;
        }
        platform_set_echo_reference(adev, true, out_device);
    } else if (my_data->fluence_type != FLUENCE_NONE &&
               adev->active_input->enable_aec) {
        if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
            if (my_data->fluence_in_spkr_mode) {
                if ((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                    (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                    snd_device = SND_DEVICE_IN_SPEAKER_QMIC_AEC;
                } else if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                           (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                    if (my_data->fluence_mode == FLUENCE_BROADSIDE)
                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE;
                    else
                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC;
                }
                adev->acdb_settings |= DMIC_FLAG;
            } else
                snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC;
        } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
            if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                snd_device = SND_DEVICE_IN_HANDSET_DMIC_AEC;
                adev->acdb_settings |= DMIC_FLAG;
            } else
                snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC;
        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
            snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE;
       } else if (audio_is_usb_in_device(in_device | AUDIO_DEVICE_BIT_IN)) {
            snd_device = SND_DEVICE_IN_USB_HEADSET_MIC_AEC;
        }
        platform_set_echo_reference(adev, true, out_device);
    } else if (my_data->fluence_type != FLUENCE_NONE &&
               adev->active_input->enable_ns) {
        if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
            if (my_data->fluence_in_spkr_mode) {
                if ((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                    (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                    snd_device = SND_DEVICE_IN_SPEAKER_QMIC_NS;
                } else if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                           (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                    if (my_data->fluence_mode == FLUENCE_BROADSIDE)
                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE;
                    else
                        snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS;
                }
                adev->acdb_settings |= DMIC_FLAG;
            } else
                snd_device = SND_DEVICE_IN_SPEAKER_MIC_NS;
        } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
            if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                snd_device = SND_DEVICE_IN_HANDSET_DMIC_NS;
                adev->acdb_settings |= DMIC_FLAG;
            } else
                snd_device = SND_DEVICE_IN_HANDSET_MIC_NS;
        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
            snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE;
        }
        platform_set_echo_reference(adev, false, out_device);
    } else
        platform_set_echo_reference(adev, false, out_device);

    return snd_device;
}
#endif //DYNAMIC_ECNS_ENABLED

snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    /*
     * TODO: active_input always points to last opened input. Source returned will
     * be wrong if more than one active inputs are present.
     */
    audio_source_t  source = (adev->active_input == NULL) ?
                                AUDIO_SOURCE_DEFAULT : adev->active_input->source;

    audio_mode_t    mode   = adev->mode;
    audio_devices_t in_device = ((adev->active_input == NULL) ?
                                    AUDIO_DEVICE_NONE : adev->active_input->device)
                                & ~AUDIO_DEVICE_BIT_IN;
    audio_channel_mask_t channel_mask = (adev->active_input == NULL) ?
                                AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask;
    snd_device_t snd_device = SND_DEVICE_NONE;
    int channel_count = popcount(channel_mask);
    int str_bitwidth = (adev->active_input == NULL) ?
                    CODEC_BACKEND_DEFAULT_BIT_WIDTH : adev->active_input->bit_width;

    ALOGV("%s: enter: out_device(%#x) in_device(%#x) channel_count (%d) channel_mask (0x%x)",
          __func__, out_device, in_device, channel_count, channel_mask);
    if (my_data->external_mic) {
        if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) || voice_is_in_call(adev) ||
            voice_extn_compress_voip_is_active(adev) || audio_extn_hfp_is_active(adev))) {
            if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
               out_device & AUDIO_DEVICE_OUT_EARPIECE ||
               out_device & AUDIO_DEVICE_OUT_SPEAKER )
                snd_device = SND_DEVICE_IN_HANDSET_MIC_EXTERNAL;
        } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC ||
                   in_device & AUDIO_DEVICE_IN_BACK_MIC) {
            snd_device = SND_DEVICE_IN_HANDSET_MIC_EXTERNAL;
        }
    }

    if (snd_device != AUDIO_DEVICE_NONE)
        goto exit;

    if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) || voice_is_in_call(adev) ||
        voice_extn_compress_voip_is_active(adev) || audio_extn_hfp_is_active(adev))) {
        if ((adev->voice.tty_mode != TTY_MODE_OFF) &&
            !voice_extn_compress_voip_is_active(adev)) {
            if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
                out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET ||
                out_device & AUDIO_DEVICE_OUT_LINE) {
                switch (adev->voice.tty_mode) {
                case TTY_MODE_FULL:
                    snd_device = SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC;
                    break;
                case TTY_MODE_VCO:
                    snd_device = SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC;
                    break;
                case TTY_MODE_HCO:
                    snd_device = SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC;
                    break;
                default:
                    ALOGE("%s: Invalid TTY mode (%#x)",
                          __func__, adev->voice.tty_mode);
                }
                goto exit;
            }
        }
        if (out_device & AUDIO_DEVICE_OUT_EARPIECE ||
            out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
            out_device & AUDIO_DEVICE_OUT_LINE) {
            if (out_device & AUDIO_DEVICE_OUT_EARPIECE &&
                audio_extn_should_use_handset_anc(channel_count) &&
                my_data->fluence_type != FLUENCE_NONE &&
                my_data->source_mic_type & SOURCE_DUAL_MIC) {
                snd_device = SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC;
                adev->acdb_settings |= DMIC_FLAG;
                ALOGD("Selecting AANC, Fluence combo device");
            } else if (out_device & AUDIO_DEVICE_OUT_EARPIECE &&
                audio_extn_should_use_handset_anc(channel_count)) {
                snd_device = SND_DEVICE_IN_AANC_HANDSET_MIC;
                adev->acdb_settings |= ANC_FLAG;
            } else if (my_data->fluence_type == FLUENCE_NONE ||
                (my_data->fluence_in_voice_call == false &&
                 my_data->fluence_in_hfp_call == false)) {
                snd_device = SND_DEVICE_IN_HANDSET_MIC;
                if (audio_extn_hfp_is_active(adev))
                    platform_set_echo_reference(adev, true, out_device);
            } else {
                snd_device = SND_DEVICE_IN_VOICE_DMIC;
                adev->acdb_settings |= DMIC_FLAG;
            }
        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
            snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC;
            if (audio_extn_hfp_is_active(adev))
                platform_set_echo_reference(adev, true, out_device);
        } else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
            if (adev->bt_wb_speech_enabled) {
                if (adev->bluetooth_nrec)
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB_NREC;
                else
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
            } else {
                if (adev->bluetooth_nrec)
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_NREC;
                else
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC;
            }
        } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
            if (my_data->fluence_type != FLUENCE_NONE &&
                (my_data->fluence_in_voice_call ||
                 my_data->fluence_in_hfp_call) &&
                my_data->fluence_in_spkr_mode) {
                if((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                   (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                    adev->acdb_settings |= QMIC_FLAG;
                    snd_device = SND_DEVICE_IN_VOICE_SPEAKER_QMIC;
                } else {
                    adev->acdb_settings |= DMIC_FLAG;
                    if (my_data->fluence_mode == FLUENCE_BROADSIDE)
                       snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE;
                    else
                       snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC;
                }
                if (audio_extn_hfp_is_active(adev))
                    platform_set_echo_reference(adev, true, out_device);
            } else {
                snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
                if (audio_extn_hfp_is_active(adev))
                    platform_set_echo_reference(adev, true, out_device);
            }
        } else if (out_device & AUDIO_DEVICE_OUT_TELEPHONY_TX) {
            snd_device = SND_DEVICE_IN_VOICE_RX;
        } else if (out_device &
                    (AUDIO_DEVICE_OUT_USB_DEVICE |
                     AUDIO_DEVICE_OUT_USB_HEADSET)) {
            if (audio_extn_usb_is_capture_supported()) {
                snd_device = SND_DEVICE_IN_VOICE_USB_HEADSET_MIC;
            }
        }
    } else if (my_data->use_generic_handset == true &&  //     system prop is enabled
               (my_data->source_mic_type & SOURCE_QUAD_MIC) &&  // AND 4mic is available
               ((in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) ||    // AND device is buit-in mic or back mic
                (in_device & AUDIO_DEVICE_IN_BACK_MIC)) &&
               (my_data->fluence_in_audio_rec == true &&       //  AND fluencepro is enabled
                my_data->fluence_type & FLUENCE_QUAD_MIC) &&
               (source == AUDIO_SOURCE_CAMCORDER ||           // AND source is cam/mic/unprocessed
                source == AUDIO_SOURCE_UNPROCESSED ||
                source == AUDIO_SOURCE_MIC)) {
                snd_device = SND_DEVICE_IN_HANDSET_GENERIC_QMIC;
                platform_set_echo_reference(adev, true, out_device);
    } else if (source == AUDIO_SOURCE_CAMCORDER) {
        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC ||
            in_device & AUDIO_DEVICE_IN_BACK_MIC) {

            if (str_bitwidth == 16) {
                if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                    (my_data->source_mic_type & SOURCE_DUAL_MIC) &&
                    (channel_count == 2))
                    snd_device = SND_DEVICE_IN_HANDSET_STEREO_DMIC;
                else
                    snd_device = SND_DEVICE_IN_CAMCORDER_MIC;
            }
            /*
             * for other bit widths
             */
            else {
                if (((channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK) ||
                    (channel_mask == AUDIO_CHANNEL_IN_STEREO)) &&
                    (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                     snd_device = SND_DEVICE_IN_UNPROCESSED_STEREO_MIC;
                }
                else if (((int)channel_mask == (int)AUDIO_CHANNEL_INDEX_MASK_3) &&
                         (my_data->source_mic_type & SOURCE_THREE_MIC)) {
                         snd_device = SND_DEVICE_IN_UNPROCESSED_THREE_MIC;
               } else if (((int)channel_mask == (int)AUDIO_CHANNEL_INDEX_MASK_4) &&
                         (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                         snd_device = SND_DEVICE_IN_UNPROCESSED_QUAD_MIC;
               } else {
                         snd_device = SND_DEVICE_IN_UNPROCESSED_MIC;
               }
           }
       }
    }  else if (source == AUDIO_SOURCE_VOICE_RECOGNITION) {
        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
            if (my_data->fluence_in_voice_rec && channel_count == 1) {
                if ((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                    (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                     snd_device = SND_DEVICE_IN_HANDSET_QMIC;
                } else if ((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                    (my_data->source_mic_type & SOURCE_THREE_MIC)) {
                    snd_device = SND_DEVICE_IN_VOICE_REC_TMIC;
                } else if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                    (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                    snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE;
                }
                platform_set_echo_reference(adev, true, out_device);
            } else if (((channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK) ||
                       (channel_mask == AUDIO_CHANNEL_IN_STEREO)) &&
                       (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_STEREO;
            } else if (((int)channel_mask == (int)AUDIO_CHANNEL_INDEX_MASK_3) &&
                       (my_data->source_mic_type & SOURCE_THREE_MIC)) {
                snd_device = SND_DEVICE_IN_THREE_MIC;
            } else if (((int)channel_mask == (int)AUDIO_CHANNEL_INDEX_MASK_4) &&
                       (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                snd_device = SND_DEVICE_IN_QUAD_MIC;
            }
            if (snd_device == SND_DEVICE_NONE) {
                if (adev->active_input->enable_ns)
                    snd_device = SND_DEVICE_IN_VOICE_REC_MIC_NS;
                else
                    snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
            }
        } else if (audio_is_usb_in_device(in_device | AUDIO_DEVICE_BIT_IN)) {
            snd_device = SND_DEVICE_IN_VOICE_RECOG_USB_HEADSET_MIC;
        }
    } else if (source == AUDIO_SOURCE_UNPROCESSED) {
        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
            if (((channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK) ||
                (channel_mask == AUDIO_CHANNEL_IN_STEREO)) &&
                (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                snd_device = SND_DEVICE_IN_UNPROCESSED_STEREO_MIC;
            } else if (((int)channel_mask == (int)AUDIO_CHANNEL_INDEX_MASK_3) &&
                (my_data->source_mic_type & SOURCE_THREE_MIC)) {
                snd_device = SND_DEVICE_IN_UNPROCESSED_THREE_MIC;
            } else if (((int)channel_mask == (int)AUDIO_CHANNEL_INDEX_MASK_4) &&
                       (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                snd_device = SND_DEVICE_IN_UNPROCESSED_QUAD_MIC;
            } else {
                snd_device = SND_DEVICE_IN_UNPROCESSED_MIC;
            }
        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
            snd_device = SND_DEVICE_IN_UNPROCESSED_HEADSET_MIC;
        } else if (audio_is_usb_in_device(in_device | AUDIO_DEVICE_BIT_IN)) {
            snd_device = SND_DEVICE_IN_UNPROCESSED_USB_HEADSET_MIC;
        }
    } else if ((source == AUDIO_SOURCE_VOICE_COMMUNICATION) ||
              (mode == AUDIO_MODE_IN_COMMUNICATION)) {
        if (out_device & AUDIO_DEVICE_OUT_SPEAKER)
            in_device = AUDIO_DEVICE_IN_BACK_MIC;
        if (adev->active_input) {
            snd_device = get_snd_device_for_voice_comm(my_data, out_device, in_device);
        }
    } else if (source == AUDIO_SOURCE_MIC) {
        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC &&
                channel_count == 1) {
            if(my_data->fluence_in_audio_rec) {
                if ((my_data->fluence_type & FLUENCE_HEX_MIC) &&
                    (my_data->source_mic_type & SOURCE_HEX_MIC) &&
                    (audio_extn_ffv_get_stream() == adev->active_input)) {
                    snd_device = audio_extn_ffv_get_capture_snd_device();
                } else if ((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                    (my_data->source_mic_type & SOURCE_QUAD_MIC)) {
                    snd_device = SND_DEVICE_IN_HANDSET_QMIC;
                    platform_set_echo_reference(adev, true, out_device);
                } else if ((my_data->fluence_type & FLUENCE_QUAD_MIC) &&
                    (my_data->source_mic_type & SOURCE_THREE_MIC)) {
                    snd_device = SND_DEVICE_IN_HANDSET_TMIC;
                } else if ((my_data->fluence_type & FLUENCE_DUAL_MIC) &&
                    (my_data->source_mic_type & SOURCE_DUAL_MIC)) {
                    snd_device = SND_DEVICE_IN_HANDSET_DMIC;
                    platform_set_echo_reference(adev, true, out_device);
                }
            }
        }
    } else if (source == AUDIO_SOURCE_FM_TUNER) {
        snd_device = SND_DEVICE_IN_CAPTURE_FM;
    } else if (source == AUDIO_SOURCE_DEFAULT) {
        goto exit;
    }

    if (adev->active_input && (audio_extn_ssr_get_stream() == adev->active_input))
        snd_device = SND_DEVICE_IN_THREE_MIC;

    if (snd_device != SND_DEVICE_NONE) {
        goto exit;
    }

    if (in_device != AUDIO_DEVICE_NONE &&
            !(in_device & AUDIO_DEVICE_IN_VOICE_CALL) &&
            !(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) {
        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
            if (adev->active_input && (audio_extn_ssr_get_stream() == adev->active_input))
                snd_device = SND_DEVICE_IN_QUAD_MIC;
            else if ((my_data->fluence_type & (FLUENCE_DUAL_MIC | FLUENCE_QUAD_MIC)) &&
                    (channel_count == 2) && (my_data->source_mic_type & SOURCE_DUAL_MIC))
                snd_device = SND_DEVICE_IN_HANDSET_STEREO_DMIC;
            else
                snd_device = SND_DEVICE_IN_HANDSET_MIC;
        } else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
            snd_device = SND_DEVICE_IN_SPEAKER_MIC;
        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
            snd_device = SND_DEVICE_IN_HEADSET_MIC;
        } else if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
            if (adev->bt_wb_speech_enabled) {
                if (adev->bluetooth_nrec)
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB_NREC;
                else
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
            } else {
                if (adev->bluetooth_nrec)
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_NREC;
                else
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC;
            }
        } else if (in_device & AUDIO_DEVICE_IN_AUX_DIGITAL) {
            snd_device = SND_DEVICE_IN_HDMI_MIC;
        } else if (in_device & AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET ||
                   in_device & AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET) {
            snd_device = SND_DEVICE_IN_USB_HEADSET_MIC;
        } else if (in_device & AUDIO_DEVICE_IN_FM_TUNER) {
            snd_device = SND_DEVICE_IN_CAPTURE_FM;
        } else if (audio_is_usb_in_device(in_device | AUDIO_DEVICE_BIT_IN)) {
            snd_device = SND_DEVICE_IN_USB_HEADSET_MIC;
        } else {
            ALOGE("%s: Unknown input device(s) %#x", __func__, in_device);
            ALOGW("%s: Using default handset-mic", __func__);
            snd_device = SND_DEVICE_IN_HANDSET_MIC;
        }
    } else {
        if (out_device & AUDIO_DEVICE_OUT_EARPIECE) {
            snd_device = SND_DEVICE_IN_HANDSET_MIC;
        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
            snd_device = SND_DEVICE_IN_HEADSET_MIC;
        } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
            if ((channel_count > 1) && (my_data->source_mic_type & SOURCE_DUAL_MIC))
                snd_device = SND_DEVICE_IN_SPEAKER_STEREO_DMIC;
            else
                snd_device = SND_DEVICE_IN_SPEAKER_MIC;
        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
                       out_device & AUDIO_DEVICE_OUT_LINE) {
            snd_device = SND_DEVICE_IN_HANDSET_MIC;
        } else if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) {
            if (adev->bt_wb_speech_enabled) {
                if (adev->bluetooth_nrec)
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB_NREC;
                else
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
            } else {
                if (adev->bluetooth_nrec)
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC_NREC;
                else
                    snd_device = SND_DEVICE_IN_BT_SCO_MIC;
            }
        } else if (out_device & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
            snd_device = SND_DEVICE_IN_HDMI_MIC;
        } else if (out_device & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET ||
                   out_device & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) {
            snd_device = SND_DEVICE_IN_USB_HEADSET_MIC;
        } else if (out_device &
                    (AUDIO_DEVICE_OUT_USB_DEVICE |
                     AUDIO_DEVICE_OUT_USB_HEADSET)) {
            if (audio_extn_usb_is_capture_supported())
                snd_device = SND_DEVICE_IN_USB_HEADSET_MIC;
            else
                snd_device = SND_DEVICE_IN_HANDSET_MIC;
        } else {
            ALOGE("%s: Unknown output device(s) %#x", __func__, out_device);
            ALOGW("%s: Using default handset-mic", __func__);
            snd_device = SND_DEVICE_IN_HANDSET_MIC;
        }
    }
exit:
    ALOGV("%s: exit: in_snd_device(%s)", __func__, device_table[snd_device]);
    return snd_device;
}

int platform_set_hdmi_channels(void *platform,  int channel_count)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    const char *channel_cnt_str = NULL;
    char *mixer_ctl_name;
    switch (channel_count) {
    case 8:
        channel_cnt_str = "Eight"; break;
    case 7:
        channel_cnt_str = "Seven"; break;
    case 6:
        channel_cnt_str = "Six"; break;
    case 5:
        channel_cnt_str = "Five"; break;
    case 4:
        channel_cnt_str = "Four"; break;
    case 3:
        channel_cnt_str = "Three"; break;
    default:
        channel_cnt_str = "Two"; break;
    }

    switch(my_data->ext_disp_type) {
        case EXT_DISPLAY_TYPE_HDMI:
            mixer_ctl_name = "HDMI_RX Channels";
            break;
        case EXT_DISPLAY_TYPE_DP:
            mixer_ctl_name = "Display Port RX Channels";
            break;
        default:
            ALOGE("%s: Invalid disp_type %d", __func__, my_data->ext_disp_type);
            return -EINVAL;
    }
    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        return -EINVAL;
    }
    ALOGV("Ext disp channel count: %s", channel_cnt_str);
    mixer_ctl_set_enum_by_string(ctl, channel_cnt_str);
    return 0;
}

int platform_edid_get_max_channels(void *platform)
{
    int channel_count;
    int max_channels = 2;
    int i = 0, ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;
    edid_audio_info *info = NULL;
    ret = platform_get_edid_info(platform);
    info = (edid_audio_info *)my_data->edid_info;

    if(ret == 0 && info != NULL) {
        for (i = 0; i < info->audio_blocks && i < MAX_EDID_BLOCKS; i++) {
            ALOGV("%s:format %d channel %d", __func__,
                   info->audio_blocks_array[i].format_id,
                   info->audio_blocks_array[i].channels);
            if (info->audio_blocks_array[i].format_id == LPCM) {
                channel_count = info->audio_blocks_array[i].channels;
                if (channel_count > max_channels) {
                   max_channels = channel_count;
                }
            }
        }
    }

    return max_channels;
}

static int platform_set_slowtalk(struct platform_data *my_data, bool state)
{
    int ret = 0;
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    const char *mixer_ctl_name = "Slowtalk Enable";
    long set_values[ ] = {0,
                          ALL_SESSION_VSID};

    set_values[0] = state;
    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        ret = -EINVAL;
    } else {
        ALOGV("Setting slowtalk state: %d", state);
        ret = mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
        my_data->slowtalk = state;
    }

    if (my_data->csd != NULL) {
        ret = my_data->csd->slow_talk(ALL_SESSION_VSID, state);
        if (ret < 0) {
            ALOGE("%s: csd_client_disable_device, failed, error %d",
                  __func__, ret);
        }
    }
    return ret;
}

static int set_hd_voice(struct platform_data *my_data, bool state)
{
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    const char *mixer_ctl_name = "HD Voice Enable";
    int ret = 0;
    long set_values[ ] = {0,
                          ALL_SESSION_VSID};

    set_values[0] = state;
    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        ret = -EINVAL;
    } else {
        ALOGV("Setting HD Voice state: %d", state);
        ret = mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
        my_data->hd_voice = state;
    }

    return ret;
}

static int parse_audiocal_cfg(struct str_parms *parms, acdb_audio_cal_cfg_t *cal)
{
    int err;
    char value[64];
    int ret = 0;

    if(parms == NULL || cal == NULL)
        return ret;

    err = str_parms_get_str(parms, "cal_persist", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_persist");
        cal->persist = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x1;
    }
    err = str_parms_get_str(parms, "cal_apptype", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_apptype");
        cal->app_type = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x2;
    }
    err = str_parms_get_str(parms, "cal_caltype", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_caltype");
        cal->cal_type = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x4;
    }
    err = str_parms_get_str(parms, "cal_samplerate", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_samplerate");
        cal->sampling_rate = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x8;
    }
    err = str_parms_get_str(parms, "cal_devid", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_devid");
        cal->dev_id = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x10;
    }
    err = str_parms_get_str(parms, "cal_snddevid", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_snddevid");
        cal->snd_dev_id = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x20;
    }
    err = str_parms_get_str(parms, "cal_topoid", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_topoid");
        cal->topo_id = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x40;
    }
    err = str_parms_get_str(parms, "cal_moduleid", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_moduleid");
        cal->module_id = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x80;
    }
#ifdef INSTANCE_ID_ENABLED
    err = str_parms_get_str(parms, "cal_instanceid", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_instanceid");
        cal->instance_id = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x100;
    }
#endif
    err = str_parms_get_str(parms, "cal_paramid", value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, "cal_paramid");
        cal->param_id = (uint32_t) strtoul(value, NULL, 0);
        ret = ret | 0x200;
    }
    return ret;
}

static void set_audiocal(void *platform, struct str_parms *parms, char *value, int len) {
    struct platform_data *my_data = (struct platform_data *)platform;
    struct stream_out out;
    acdb_audio_cal_cfg_t cal;
    uint8_t *dptr = NULL;
    int32_t dlen;
    int err, ret;
    if(value == NULL || platform == NULL || parms == NULL) {
        ALOGE("[%s] received null pointer, failed",__func__);
        goto done_key_audcal;
    }

    memset(&cal, 0, sizeof(acdb_audio_cal_cfg_t));
    /* parse audio calibration keys */
    ret = parse_audiocal_cfg(parms, &cal);

    /* handle audio calibration data now */
    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_AUD_CALDATA, value, len);
    if (err >= 0) {
        str_parms_del(parms, AUDIO_PARAMETER_KEY_AUD_CALDATA);
        dlen = strlen(value);
        if(dlen <= 0) {
            ALOGE("[%s] null data received",__func__);
            goto done_key_audcal;
        }
        dptr = (uint8_t*) calloc(dlen, sizeof(uint8_t));
        if(dptr == NULL) {
            ALOGE("[%s] memory allocation failed for %d",__func__, dlen);
            goto done_key_audcal;
        }
        dlen = b64decode(value, strlen(value), dptr);
        if(dlen<=0) {
            ALOGE("[%s] data decoding failed %d", __func__, dlen);
            goto done_key_audcal;
        }

        if(cal.dev_id) {
          if(audio_is_input_device(cal.dev_id)) {
              cal.snd_dev_id = platform_get_input_snd_device(platform, cal.dev_id);
          } else {
              out.devices = cal.dev_id;
              out.sample_rate = cal.sampling_rate;
              cal.snd_dev_id = platform_get_output_snd_device(platform, &out);
          }
        }
        cal.acdb_dev_id = platform_get_snd_device_acdb_id(cal.snd_dev_id);
        ALOGD("Setting audio calibration for snd_device(%d) acdb_id(%d)",
                cal.snd_dev_id, cal.acdb_dev_id);
        if(cal.acdb_dev_id == -EINVAL) {
            ALOGE("[%s] Invalid acdb_device id %d for snd device id %d",
                       __func__, cal.acdb_dev_id, cal.snd_dev_id);
            goto done_key_audcal;
        }
        if(my_data->acdb_set_audio_cal) {
            ret = my_data->acdb_set_audio_cal((void *)&cal, (void*)dptr, dlen);
        }
    }
done_key_audcal:
    if(dptr != NULL)
        free(dptr);
}
int platform_set_parameters(void *platform, struct str_parms *parms)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    char value[256] = {0};
    int len;
    int ret = 0, err;
    char *kv_pairs = NULL;
    struct listnode *node;
    struct meta_key_list *key_info;
    int key = 0;

    kv_pairs = str_parms_to_str(parms);
    if(!kv_pairs)
        return ret;
    len = strlen(kv_pairs);
    ALOGV("%s: enter: - %s", __func__, kv_pairs);
    free(kv_pairs);

    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_SLOWTALK, value, sizeof(value));
    if (err >= 0) {
        bool state = false;
        if (!strncmp("true", value, sizeof("true"))) {
            state = true;
        }

        str_parms_del(parms, AUDIO_PARAMETER_KEY_SLOWTALK);
        ret = platform_set_slowtalk(my_data, state);
        if (ret)
            ALOGE("%s: Failed to set slow talk err: %d", __func__, ret);
    }

    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_HD_VOICE, value, sizeof(value));
    if (err >= 0) {
        bool state = false;
        if (!strncmp("true", value, sizeof("true"))) {
            state = true;
        }

        str_parms_del(parms, AUDIO_PARAMETER_KEY_HD_VOICE);
        if (my_data->hd_voice != state) {
            ret = set_hd_voice(my_data, state);
            if (ret)
                ALOGE("%s: Failed to set HD voice err: %d", __func__, ret);
        } else {
            ALOGV("%s: HD Voice already set to %d", __func__, state);
        }
    }

    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_VOLUME_BOOST,
                            value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, AUDIO_PARAMETER_KEY_VOLUME_BOOST);

        if (my_data->acdb_reload_vocvoltable == NULL) {
            ALOGE("%s: acdb_reload_vocvoltable is NULL", __func__);
        } else if (!strcmp(value, "on")) {
            if (!my_data->acdb_reload_vocvoltable(VOICE_FEATURE_SET_VOLUME_BOOST)) {
                my_data->voice_feature_set = 1;
            }
        } else {
            if (!my_data->acdb_reload_vocvoltable(VOICE_FEATURE_SET_DEFAULT)) {
                my_data->voice_feature_set = 0;
            }
        }
    }

    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_RELOAD_ACDB,
                            value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, AUDIO_PARAMETER_KEY_RELOAD_ACDB);

        if (my_data->acdb_reload_v2) {
            my_data->acdb_reload_v2(value, my_data->snd_card_name,
                                  my_data->cvd_version, &my_data->acdb_meta_key_list);
        } else if (my_data->acdb_reload) {
            node = list_head(&my_data->acdb_meta_key_list);
            key_info = node_to_item(node, struct meta_key_list, list);
            key = key_info->cal_info.nKey;
            my_data->acdb_reload(value, my_data->snd_card_name,
                                  my_data->cvd_version, key);
        }
    }

    if (hw_info_is_stereo_spkr(my_data->hw_info)) {
        err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_MONO_SPEAKER, value, len);
        if (err >= 0) {
            if (!strncmp("left", value, sizeof("left")))
                my_data->mono_speaker = SPKR_1;
            else if (!strncmp("right", value, sizeof("right")))
                my_data->mono_speaker = SPKR_2;

            str_parms_del(parms, AUDIO_PARAMETER_KEY_MONO_SPEAKER);
        }
    }

#ifdef RECORD_PLAY_CONCURRENCY
    err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_REC_PLAY_CONC, value, sizeof(value));
    if (err >= 0) {
        if (!strncmp("true", value, sizeof("true"))) {
            ALOGD("setting record playback concurrency to true");
            my_data->rec_play_conc_set = true;
        } else {
            ALOGD("setting record playback concurrency to false");
            my_data->rec_play_conc_set = false;
        }
    }
#endif

   err = str_parms_get_str(parms, PLATFORM_MAX_MIC_COUNT,
                            value, sizeof(value));
    if (err >= 0) {
        str_parms_del(parms, PLATFORM_MAX_MIC_COUNT);
        my_data->max_mic_count = atoi(value);
        ALOGV("%s: max_mic_count %d", __func__, my_data->max_mic_count);
    }

    /* handle audio calibration parameters */
    set_audiocal(platform, parms, value, len);
    native_audio_set_params(platform, parms, value, sizeof(value));
    audio_extn_spkr_prot_set_parameters(parms, value, len);
    audio_extn_usb_set_sidetone_gain(parms, value, len);
    audio_extn_hfp_set_parameters(my_data->adev, parms);
    true_32_bit_set_params(parms, value, len);
    audio_extn_ffv_set_parameters(my_data->adev, parms);
    ALOGV("%s: exit with code(%d)", __func__, ret);
    return ret;
}

int platform_set_incall_recording_session_id(void *platform,
                                             uint32_t session_id, int rec_mode)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    const char *mixer_ctl_name = "Voc VSID";
    int num_ctl_values;
    int i;

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        ret = -EINVAL;
    } else {
        num_ctl_values = mixer_ctl_get_num_values(ctl);
        for (i = 0; i < num_ctl_values; i++) {
            if (mixer_ctl_set_value(ctl, i, session_id)) {
                ALOGV("Error: invalid session_id: %x", session_id);
                ret = -EINVAL;
                break;
            }
        }
    }

    if (my_data->csd != NULL) {
        ret = my_data->csd->start_record(ALL_SESSION_VSID, rec_mode);
        if (ret < 0) {
            ALOGE("%s: csd_client_start_record failed, error %d",
                  __func__, ret);
        }
    }

    return ret;
}

int platform_stop_incall_recording_usecase(void *platform)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (my_data->csd != NULL) {
        ret = my_data->csd->stop_record(ALL_SESSION_VSID);
        if (ret < 0) {
            ALOGE("%s: csd_client_stop_record failed, error %d",
                  __func__, ret);
        }
    }

    return ret;
}

int platform_start_incall_music_usecase(void *platform)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (my_data->csd != NULL) {
        ret = my_data->csd->start_playback(ALL_SESSION_VSID);
        if (ret < 0) {
            ALOGE("%s: csd_client_start_playback failed, error %d",
                  __func__, ret);
        }
    }

    return ret;
}

int platform_stop_incall_music_usecase(void *platform)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (my_data->csd != NULL) {
        ret = my_data->csd->stop_playback(ALL_SESSION_VSID);
        if (ret < 0) {
            ALOGE("%s: csd_client_stop_playback failed, error %d",
                  __func__, ret);
        }
    }

    return ret;
}

int platform_update_lch(void *platform, struct voice_session *session,
                        enum voice_lch_mode lch_mode)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if ((my_data->csd != NULL) && (my_data->csd->set_lch != NULL))
        ret = my_data->csd->set_lch(session->vsid, lch_mode);
    else
        ret = pcm_ioctl(session->pcm_tx, SNDRV_VOICE_IOCTL_LCH, &lch_mode);

    return ret;
}

static void get_audiocal(void *platform, void *keys, void *pReply) {
    struct platform_data *my_data = (struct platform_data *)platform;
    struct stream_out out;
    struct str_parms *query = (struct str_parms *)keys;
    struct str_parms *reply=(struct str_parms *)pReply;
    acdb_audio_cal_cfg_t cal;
    uint8_t *dptr = NULL;
    char value[512] = {0};
    char *rparms=NULL;
    int ret=0, err;
    uint32_t param_len;

    if(query==NULL || platform==NULL || reply==NULL) {
        ALOGE("[%s] received null pointer",__func__);
        ret=-EINVAL;
        goto done;
    }

    memset(&cal, 0, sizeof(acdb_audio_cal_cfg_t));
    /* parse audiocal configuration keys */
    ret = parse_audiocal_cfg(query, &cal);
    if(ret == 0) {
        /* No calibration keys found */
        goto done;
    }
    err = str_parms_get_str(query, AUDIO_PARAMETER_KEY_AUD_CALDATA, value, sizeof(value));
    if (err >= 0) {
        str_parms_del(query, AUDIO_PARAMETER_KEY_AUD_CALDATA);
    } else {
        goto done;
    }

    if(cal.dev_id & AUDIO_DEVICE_BIT_IN) {
        cal.snd_dev_id = platform_get_input_snd_device(platform, cal.dev_id);
    } else if(cal.dev_id) {
        out.devices = cal.dev_id;
        out.sample_rate = cal.sampling_rate;
        cal.snd_dev_id = platform_get_output_snd_device(platform, &out);
    }
    cal.acdb_dev_id =  platform_get_snd_device_acdb_id(cal.snd_dev_id);
    if (cal.acdb_dev_id < 0) {
        ALOGE("%s: Failed. Could not find acdb id for snd device(%d)",
              __func__, cal.snd_dev_id);
        ret = -EINVAL;
        goto done_key_audcal;
    }
    ALOGD("[%s] Getting audio calibration for snd_device(%d) acdb_id(%d)",
           __func__, cal.snd_dev_id, cal.acdb_dev_id);

    param_len = MAX_SET_CAL_BYTE_SIZE;
    dptr = (uint8_t*)calloc(param_len, sizeof(uint8_t));
    if(dptr == NULL) {
        ALOGE("[%s] Memory allocation failed for length %d",__func__,param_len);
        ret = -ENOMEM;
        goto done_key_audcal;
    }
    if (my_data->acdb_get_audio_cal != NULL) {
        ret = my_data->acdb_get_audio_cal((void*)&cal, (void*)dptr, &param_len);
        if (ret == 0) {
            if(param_len == 0 || param_len == MAX_SET_CAL_BYTE_SIZE) {
                ret = -EINVAL;
                goto done_key_audcal;
            }
            /* Allocate memory for encoding */
            rparms = (char*)calloc((param_len*2), sizeof(char));
            if(rparms == NULL) {
                ALOGE("[%s] Memory allocation failed for size %d",
                            __func__, param_len*2);
                ret = -ENOMEM;
                goto done_key_audcal;
            }
            if(cal.persist==0 && cal.module_id && cal.param_id) {
                err = b64encode(dptr+12, param_len-12, rparms);
            } else {
                err = b64encode(dptr, param_len, rparms);
            }
            if(err < 0) {
                ALOGE("[%s] failed to convert data to string", __func__);
                ret = -EINVAL;
                goto done_key_audcal;
            }
            str_parms_add_int(reply, AUDIO_PARAMETER_KEY_AUD_CALRESULT, ret);
            str_parms_add_str(reply, AUDIO_PARAMETER_KEY_AUD_CALDATA, rparms);
        }
    }
done_key_audcal:
    if(ret != 0) {
        str_parms_add_int(reply, AUDIO_PARAMETER_KEY_AUD_CALRESULT, ret);
        str_parms_add_str(reply, AUDIO_PARAMETER_KEY_AUD_CALDATA, "");
    }
done:
    if(dptr != NULL)
        free(dptr);
    if(rparms != NULL)
        free(rparms);
}
void platform_get_parameters(void *platform,
                            struct str_parms *query,
                            struct str_parms *reply)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    char value[512] = {0};
    int ret;
    char *kv_pairs = NULL;
    char propValue[PROPERTY_VALUE_MAX]={0};
    bool prop_playback_enabled = false;

    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_SLOWTALK,
                            value, sizeof(value));
    if (ret >= 0) {
        str_parms_add_str(reply, AUDIO_PARAMETER_KEY_SLOWTALK,
                          my_data->slowtalk?"true":"false");
    }

    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_HD_VOICE,
                            value, sizeof(value));
    if (ret >= 0) {
        str_parms_add_str(reply, AUDIO_PARAMETER_KEY_HD_VOICE,
                          my_data->hd_voice?"true":"false");
    }

    ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_VOLUME_BOOST,
                            value, sizeof(value));
    if (ret >= 0) {
        if (my_data->voice_feature_set == VOICE_FEATURE_SET_VOLUME_BOOST) {
            strlcpy(value, "on", sizeof(value));
        } else {
            strlcpy(value, "off", sizeof(value));
        }

        str_parms_add_str(reply, AUDIO_PARAMETER_KEY_VOLUME_BOOST, value);
    }
    /* Handle audio calibration keys */
    get_audiocal(platform, query, reply);
    native_audio_get_params(query, reply, value, sizeof(value));

    ret = str_parms_get_str(query, AUDIO_PARAMETER_IS_HW_DECODER_SESSION_AVAILABLE,
                                    value, sizeof(value));
    if (ret >= 0) {
        int isallowed = 1; /*true*/

        if (property_get("vendor.voice.playback.conc.disabled", propValue, NULL)) {
            prop_playback_enabled = atoi(propValue) ||
                !strncmp("true", propValue, 4);
        }

        if ((prop_playback_enabled && (voice_is_in_call(my_data->adev))) ||
             (CARD_STATUS_OFFLINE == my_data->adev->card_status)) {
            char *decoder_mime_type = value;

            //check if unsupported mime type or not
            if(decoder_mime_type) {
                unsigned int i = 0;
                for (i = 0; i < sizeof(dsp_only_decoders_mime)/sizeof(dsp_only_decoders_mime[0]); i++) {
                    if (!strncmp(decoder_mime_type, dsp_only_decoders_mime[i],
                    strlen(dsp_only_decoders_mime[i]))) {
                       ALOGD("Rejecting request for DSP only session from HAL during voice call/SSR state");
                       isallowed = 0;
                       break;
                    }
                }
            }
        }
        str_parms_add_int(reply, AUDIO_PARAMETER_IS_HW_DECODER_SESSION_AVAILABLE, isallowed);
    }


    /* Handle audio calibration keys */
    kv_pairs = str_parms_to_str(reply);
    ALOGV("%s: exit: returns - %s", __func__, kv_pairs);
    free(kv_pairs);
}

unsigned char* platform_get_license(void *platform __unused, int *size __unused)
{
    ALOGE("%s: Not implemented", __func__);
    return NULL;
}


/* Delay in Us, only to be used for PCM formats */
int64_t platform_render_latency(audio_usecase_t usecase)
{
    switch (usecase) {
        case USECASE_AUDIO_PLAYBACK_DEEP_BUFFER:
            return DEEP_BUFFER_PLATFORM_DELAY;
        case USECASE_AUDIO_PLAYBACK_LOW_LATENCY:
            return LOW_LATENCY_PLATFORM_DELAY;
        case USECASE_AUDIO_PLAYBACK_OFFLOAD:
        case USECASE_AUDIO_PLAYBACK_OFFLOAD2:
            return PCM_OFFLOAD_PLATFORM_DELAY;
        case USECASE_AUDIO_PLAYBACK_ULL:
            return ULL_PLATFORM_DELAY;
        case USECASE_AUDIO_PLAYBACK_MMAP:
            return MMAP_PLATFORM_DELAY;
        default:
            return 0;
    }
}

int platform_update_usecase_from_source(int source, int usecase)
{
    ALOGV("%s: input source :%d", __func__, source);
    if (source == AUDIO_SOURCE_FM_TUNER)
        usecase = USECASE_AUDIO_RECORD_FM_VIRTUAL;
    return usecase;
}

bool platform_listen_device_needs_event(snd_device_t snd_device)
{
    bool needs_event = false;

    if ((snd_device >= SND_DEVICE_IN_BEGIN) &&
        (snd_device < SND_DEVICE_IN_END) &&
        (snd_device != SND_DEVICE_IN_CAPTURE_FM) &&
        (snd_device != SND_DEVICE_IN_CAPTURE_VI_FEEDBACK) &&
        (snd_device != SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_1) &&
        (snd_device != SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_2))
        needs_event = true;

    return needs_event;
}

bool platform_listen_usecase_needs_event(audio_usecase_t uc_id)
{
    bool needs_event = false;

    switch(uc_id){
    /* concurrent playback usecases needs event */
    case USECASE_AUDIO_PLAYBACK_DEEP_BUFFER:
    case USECASE_AUDIO_PLAYBACK_MULTI_CH:
    case USECASE_AUDIO_PLAYBACK_OFFLOAD:
        needs_event = true;
        break;
    /* concurrent playback in low latency allowed */
    case USECASE_AUDIO_PLAYBACK_LOW_LATENCY:
        break;
    /* concurrent playback FM needs event */
    case USECASE_AUDIO_PLAYBACK_FM:
        needs_event = true;
        break;

    /* concurrent capture usecases, no event, capture handled by device
    *  USECASE_AUDIO_RECORD:
    *  USECASE_AUDIO_RECORD_COMPRESS:
    *  USECASE_AUDIO_RECORD_LOW_LATENCY:

    *  USECASE_VOICE_CALL:
    *  USECASE_VOICE2_CALL:
    *  USECASE_VOLTE_CALL:
    *  USECASE_QCHAT_CALL:
    *  USECASE_VOWLAN_CALL:
    *  USECASE_VOICEMMODE1_CALL:
    *  USECASE_VOICEMMODE2_CALL:
    *  USECASE_COMPRESS_VOIP_CALL:
    *  USECASE_AUDIO_RECORD_FM_VIRTUAL:
    *  USECASE_INCALL_REC_UPLINK:
    *  USECASE_INCALL_REC_DOWNLINK:
    *  USECASE_INCALL_REC_UPLINK_AND_DOWNLINK:
    *  USECASE_INCALL_REC_UPLINK_COMPRESS:
    *  USECASE_INCALL_REC_DOWNLINK_COMPRESS:
    *  USECASE_INCALL_REC_UPLINK_AND_DOWNLINK_COMPRESS:
    *  USECASE_INCALL_MUSIC_UPLINK:
    *  USECASE_INCALL_MUSIC_UPLINK2:
    *  USECASE_AUDIO_SPKR_CALIB_RX:
    *  USECASE_AUDIO_SPKR_CALIB_TX:
    */
    default:
        ALOGV("%s:usecase_id[%d} no need to raise event.", __func__, uc_id);
    }
    return needs_event;
}

bool platform_sound_trigger_device_needs_event(snd_device_t snd_device)
{
    bool needs_event = false;

    if ((snd_device >= SND_DEVICE_IN_BEGIN) &&
        (snd_device < SND_DEVICE_IN_END) &&
        (snd_device != SND_DEVICE_IN_CAPTURE_FM) &&
        (snd_device != SND_DEVICE_IN_CAPTURE_VI_FEEDBACK) &&
        (snd_device != SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_1) &&
        (snd_device != SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_2))
        needs_event = true;

    return needs_event;
}

bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id)
{
    bool needs_event = false;

    switch(uc_id){
    /* concurrent playback usecases needs event */
    case USECASE_AUDIO_PLAYBACK_DEEP_BUFFER:
    case USECASE_AUDIO_PLAYBACK_MULTI_CH:
    case USECASE_AUDIO_PLAYBACK_OFFLOAD:
    case USECASE_AUDIO_PLAYBACK_OFFLOAD2:
        needs_event = true;
        break;
    /* concurrent playback in low latency allowed */
    case USECASE_AUDIO_PLAYBACK_LOW_LATENCY:
        break;
    /* concurrent playback FM needs event */
    case USECASE_AUDIO_PLAYBACK_FM:
        needs_event = true;
        break;

    /* concurrent capture usecases which needs event */
    case USECASE_AUDIO_RECORD:
    case USECASE_AUDIO_RECORD_LOW_LATENCY:
    case USECASE_AUDIO_RECORD_COMPRESS:
    case USECASE_AUDIO_RECORD_MMAP:
    case USECASE_AUDIO_RECORD_HIFI:
    case USECASE_VOICE_CALL:
    case USECASE_VOICE2_CALL:
    case USECASE_VOLTE_CALL:
    case USECASE_QCHAT_CALL:
    case USECASE_VOWLAN_CALL:
    case USECASE_VOICEMMODE1_CALL:
    case USECASE_VOICEMMODE2_CALL:
    case USECASE_COMPRESS_VOIP_CALL:
    case USECASE_AUDIO_RECORD_FM_VIRTUAL:
    case USECASE_INCALL_REC_UPLINK:
    case USECASE_INCALL_REC_DOWNLINK:
    case USECASE_INCALL_REC_UPLINK_AND_DOWNLINK:
    case USECASE_INCALL_REC_UPLINK_COMPRESS:
    case USECASE_INCALL_REC_DOWNLINK_COMPRESS:
    case USECASE_INCALL_REC_UPLINK_AND_DOWNLINK_COMPRESS:
    case USECASE_INCALL_MUSIC_UPLINK:
    case USECASE_INCALL_MUSIC_UPLINK2:
    case USECASE_AUDIO_SPKR_CALIB_RX:
    case USECASE_AUDIO_SPKR_CALIB_TX:
    case USECASE_AUDIO_RECORD_VOIP:
        needs_event = true;
        break;
    default:
        ALOGV("%s:usecase_id[%d] no need to raise event.", __func__, uc_id);
    }
    return needs_event;
}

/* Read  offload buffer size from a property.
 * If value is not power of 2  round it to
 * power of 2.
 */
uint32_t platform_get_compress_offload_buffer_size(audio_offload_info_t* info)
{
    char value[PROPERTY_VALUE_MAX] = {0};
    uint32_t fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE;
    if((property_get("vendor.audio.offload.buffer.size.kb", value, "")) &&
            atoi(value)) {
        fragment_size =  atoi(value) * 1024;
    }

    /* Use incoming offload buffer size if default buffer size is less */
    if ((info != NULL) && (fragment_size < info->offload_buffer_size)) {
        ALOGI("%s:: Overwriting offload buffer size default:%d new:%d", __func__,
              fragment_size,
              info->offload_buffer_size);
        fragment_size = info->offload_buffer_size;
    }

    if (info != NULL) {
        if (info->is_streaming && info->has_video) {
            fragment_size = COMPRESS_OFFLOAD_FRAGMENT_SIZE_FOR_AV_STREAMING;
            ALOGV("%s: offload fragment size reduced for AV streaming to %d",
                   __func__, fragment_size);
        } else if (info->format == AUDIO_FORMAT_FLAC) {
            fragment_size = FLAC_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
            ALOGV("FLAC fragment size %d", fragment_size);
        } else if (info->format == AUDIO_FORMAT_DSD) {
            fragment_size = MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
            if((property_get("vendor.audio.native.dsd.buffer.size.kb", value, "")) &&
                    atoi(value))
                fragment_size =  atoi(value) * 1024;
            ALOGV("DSD fragment size %d", fragment_size);
        }
    }

    fragment_size = ALIGN( fragment_size, 1024);

    if(fragment_size < MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE)
        fragment_size = MIN_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
    else if(fragment_size > MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE)
        fragment_size = MAX_COMPRESS_OFFLOAD_FRAGMENT_SIZE;
    ALOGV("%s: fragment_size %d", __func__, fragment_size);
    return fragment_size;
}

/*
 * return backend_idx on which voice call is active
 */
static int platform_get_voice_call_backend(struct audio_device* adev)
{
   struct audio_usecase *uc = NULL;
   struct listnode *node;
   snd_device_t out_snd_device = SND_DEVICE_NONE;

   int backend_idx = -1;

   if (voice_is_in_call(adev) || adev->mode == AUDIO_MODE_IN_COMMUNICATION) {
       list_for_each(node, &adev->usecase_list) {
           uc =  node_to_item(node, struct audio_usecase, list);
           if (uc && (uc->type == VOICE_CALL || uc->type == VOIP_CALL) && uc->stream.out) {
               out_snd_device = platform_get_output_snd_device(adev->platform, uc->stream.out);
               backend_idx = platform_get_backend_index(out_snd_device);
               break;
           }
       }
   }
   return backend_idx;
}

/*
 * configures afe with bit width and Sample Rate
 */
static int platform_set_codec_backend_cfg(struct audio_device* adev,
                         snd_device_t snd_device, struct audio_backend_cfg backend_cfg)
{
    int ret = -EINVAL;
    int backend_idx = DEFAULT_CODEC_BACKEND;
    struct platform_data *my_data = (struct platform_data *)adev->platform;
    unsigned int bit_width = backend_cfg.bit_width;
    unsigned int sample_rate = backend_cfg.sample_rate;
    unsigned int channels = backend_cfg.channels;
    audio_format_t format = backend_cfg.format;
    bool passthrough_enabled = backend_cfg.passthrough_enabled;
    struct audio_device_config_param *adev_device_cfg_ptr = adev->device_cfg_params;

    backend_idx = platform_get_backend_index(snd_device);

    /* Override the config params if client has already set them */
    adev_device_cfg_ptr += backend_idx;
    if (adev_device_cfg_ptr->use_client_dev_cfg) {
        ALOGV("%s::: Updating with the config set by client "
              "bitwidth %d, samplerate %d,  channels %d  format %d",
              __func__, adev_device_cfg_ptr->dev_cfg_params.bit_width,
              adev_device_cfg_ptr->dev_cfg_params.sample_rate,
              adev_device_cfg_ptr->dev_cfg_params.channels,
              adev_device_cfg_ptr->dev_cfg_params.format);

        bit_width = adev_device_cfg_ptr->dev_cfg_params.bit_width;
        sample_rate = adev_device_cfg_ptr->dev_cfg_params.sample_rate;
        channels = adev_device_cfg_ptr->dev_cfg_params.channels;
        format = adev_device_cfg_ptr->dev_cfg_params.format;
    }

    ALOGI("%s:becf: afe: bitwidth %d, samplerate %d channels %d format %d, backend_idx %d device (%s)",
          __func__, bit_width, sample_rate, channels, format, backend_idx,
          platform_get_snd_device_name(snd_device));

    if ((my_data->current_backend_cfg[backend_idx].bitwidth_mixer_ctl) &&
        (bit_width != my_data->current_backend_cfg[backend_idx].bit_width)) {

        struct  mixer_ctl *ctl = NULL;
        ctl = mixer_get_ctl_by_name(adev->mixer,
                        my_data->current_backend_cfg[backend_idx].bitwidth_mixer_ctl);
        if (!ctl) {
            ALOGE("%s:becf: afe: Could not get ctl for mixer command - %s",
                  __func__,
                  my_data->current_backend_cfg[backend_idx].bitwidth_mixer_ctl);
            return -EINVAL;
        }

        if (bit_width == 24) {
            if (format == AUDIO_FORMAT_PCM_24_BIT_PACKED)
                mixer_ctl_set_enum_by_string(ctl, "S24_3LE");
            else
                mixer_ctl_set_enum_by_string(ctl, "S24_LE");
        } else if (bit_width == 32) {
            mixer_ctl_set_enum_by_string(ctl, "S32_LE");
        } else {
            mixer_ctl_set_enum_by_string(ctl, "S16_LE");
        }
        my_data->current_backend_cfg[backend_idx].bit_width = bit_width;
        ALOGD("%s:becf: afe: %s mixer set to %d bit for %x format", __func__,
              my_data->current_backend_cfg[backend_idx].bitwidth_mixer_ctl,
              bit_width, format);
        ret = 0;
    }

    /*
     * Backend sample rate configuration follows:
     * 16 bit playback - 48khz for streams at any valid sample rate
     * 24 bit playback - 48khz for stream sample rate less than 48khz
     * 24 bit playback - 96khz for sample rate range of 48khz to 96khz
     * 24 bit playback - 192khz for sample rate range of 96khz to 192 khz
     * Upper limit is inclusive in the sample rate range.
     */
    // TODO: This has to be more dynamic based on policy file

    if ((my_data->current_backend_cfg[backend_idx].samplerate_mixer_ctl) &&
        (((sample_rate != my_data->current_backend_cfg[(int)backend_idx].sample_rate) &&
            (my_data->hifi_audio ||
            backend_idx == USB_AUDIO_RX_BACKEND ||
            backend_idx == USB_AUDIO_TX_BACKEND)) || passthrough_enabled)) {
            /*
             * sample rate update is needed only for hifi audio enabled platforms
             */
            char *rate_str = NULL;
            struct  mixer_ctl *ctl = NULL;

            if (backend_idx == USB_AUDIO_RX_BACKEND ||
                    backend_idx == USB_AUDIO_TX_BACKEND) {
                switch (sample_rate) {
                case 32000:
                        rate_str = "KHZ_32";
                        break;
                case 8000:
                        rate_str = "KHZ_8";
                        break;
                case 11025:
                        rate_str = "HZ_11P025";
                        break;
                case 16000:
                        rate_str = "KHZ_16";
                        break;
                case 22050:
                        rate_str = "KHZ_22P05";
                        break;
                }
            }

            if (rate_str == NULL) {
                switch (sample_rate) {
                case 32000:
                    if (passthrough_enabled || (backend_idx == HDMI_TX_BACKEND )) {
                        rate_str = "KHZ_32";
                        break;
                    }
                case 48000:
                    rate_str = "KHZ_48";
                    break;
                case 44100:
                    rate_str = "KHZ_44P1";
                    break;
                case 64000:
                case 96000:
                    rate_str = "KHZ_96";
                    break;
                case 88200:
                    rate_str = "KHZ_88P2";
                    break;
                case 176400:
                    rate_str = "KHZ_176P4";
                    break;
                case 192000:
                    rate_str = "KHZ_192";
                    break;
                case 352800:
                    rate_str = "KHZ_352P8";
                    break;
                case 384000:
                    rate_str = "KHZ_384";
                    break;
                case 144000:
                    if (passthrough_enabled) {
                        rate_str = "KHZ_144";
                        break;
                    }
                default:
                    rate_str = "KHZ_48";
                    break;
                }
            }

            ctl = mixer_get_ctl_by_name(adev->mixer,
                my_data->current_backend_cfg[backend_idx].samplerate_mixer_ctl);

            if (!ctl) {
                ALOGE("%s:becf: afe: Could not get ctl to set the Sample Rate for mixer command - %s",
                      __func__,
                      my_data->current_backend_cfg[backend_idx].samplerate_mixer_ctl);
                return -EINVAL;
            }

            ALOGD("%s:becf: afe: %s set to %s", __func__,
                   my_data->current_backend_cfg[backend_idx].samplerate_mixer_ctl,
                   rate_str);
            mixer_ctl_set_enum_by_string(ctl, rate_str);
            my_data->current_backend_cfg[backend_idx].sample_rate = sample_rate;
            ret = 0;
    }
    if ((my_data->current_backend_cfg[backend_idx].channels_mixer_ctl) &&
        (channels != my_data->current_backend_cfg[backend_idx].channels)) {
        struct  mixer_ctl *ctl = NULL;
        char *channel_cnt_str = NULL;

        switch (channels) {
        case 8:
            channel_cnt_str = "Eight"; break;
        case 7:
            channel_cnt_str = "Seven"; break;
        case 6:
            channel_cnt_str = "Six"; break;
        case 5:
            channel_cnt_str = "Five"; break;
        case 4:
            channel_cnt_str = "Four"; break;
        case 3:
            channel_cnt_str = "Three"; break;
        case 1:
            channel_cnt_str = "One"; break;
        case 2:
        default:
            channel_cnt_str = "Two"; break;
        }

        ctl = mixer_get_ctl_by_name(adev->mixer,
           my_data->current_backend_cfg[backend_idx].channels_mixer_ctl);
        if (!ctl) {
            ALOGE("%s:becf: afe: Could not get ctl for mixer command - %s",
                   __func__,
                   my_data->current_backend_cfg[backend_idx].channels_mixer_ctl);
            return -EINVAL;
        }
        mixer_ctl_set_enum_by_string(ctl, channel_cnt_str);
        my_data->current_backend_cfg[backend_idx].channels = channels;

        if (backend_idx == HDMI_RX_BACKEND)
            platform_set_edid_channels_configuration(adev->platform, channels);

        ALOGD("%s:becf: afe: %s set to %s", __func__,
               my_data->current_backend_cfg[backend_idx].channels_mixer_ctl, channel_cnt_str);
        ret = 0;
    }

    bool set_ext_disp_format = false, set_mi2s_tx_data_format = false;
    char *ext_disp_format = NULL;

    if (backend_idx == HDMI_RX_BACKEND) {
        ext_disp_format = "HDMI RX Format";
        set_ext_disp_format = true;
    } else if (backend_idx == DISP_PORT_RX_BACKEND) {
        ext_disp_format = "Display Port RX Format";
        set_ext_disp_format = true;
    } else if (backend_idx == HDMI_TX_BACKEND) {
        ext_disp_format = "QUAT MI2S TX Format";
        set_mi2s_tx_data_format = true;
    } else {
        ALOGV("%s: Format doesnt have to be set", __func__);
    }

    format = format & AUDIO_FORMAT_MAIN_MASK;
    /* Set data format only if there is a change from PCM to compressed
       and vice versa */
    if (set_mi2s_tx_data_format && (format ^ my_data->current_backend_cfg[backend_idx].format)) {
        struct mixer_ctl *ctl = mixer_get_ctl_by_name(adev->mixer, ext_disp_format);
        if (!ctl) {
            ALOGE("%s:becf: afe: Could not get ctl for mixer command - %s",
                  __func__, ext_disp_format);
            return -EINVAL;
        }
        if (format == AUDIO_FORMAT_PCM) {
            ALOGE("%s:MI2S data format LPCM", __func__);
            mixer_ctl_set_enum_by_string(ctl, "LPCM");
        } else {
            ALOGE("%s:MI2S data format Compr", __func__);
            mixer_ctl_set_enum_by_string(ctl, "Compr");
        }
        my_data->current_backend_cfg[backend_idx].format = format;
    }
    if (set_ext_disp_format) {
        struct mixer_ctl *ctl = mixer_get_ctl_by_name(adev->mixer, ext_disp_format);
        if (!ctl) {
            ALOGE("%s:becf: afe: Could not get ctl for mixer command - %s",
                   __func__, ext_disp_format);
            return -EINVAL;
        }

        if (passthrough_enabled) {
            ALOGD("%s:Ext display compress format", __func__);
            mixer_ctl_set_enum_by_string(ctl, "Compr");
        } else {
            ALOGD("%s: Ext display PCM format", __func__);
            mixer_ctl_set_enum_by_string(ctl, "LPCM");
        }
        ret = 0;
    }
    return ret;
}

/*
 * Get the backend configuration for current snd device
 */
int platform_get_codec_backend_cfg(struct audio_device* adev,
                         snd_device_t snd_device,
                         struct audio_backend_cfg *backend_cfg)
{
    int backend_idx = platform_get_backend_index(snd_device);
    struct platform_data *my_data = (struct platform_data *)adev->platform;

    backend_cfg->bit_width = my_data->current_backend_cfg[backend_idx].bit_width;
    backend_cfg->sample_rate =
                       my_data->current_backend_cfg[backend_idx].sample_rate;
    backend_cfg->channels =
                       my_data->current_backend_cfg[backend_idx].channels;
    backend_cfg->format =
                       my_data->current_backend_cfg[backend_idx].format;

    ALOGV("%s:becf: afe: bitwidth %d, samplerate %d channels %d format %d"
          ", backend_idx %d device (%s)", __func__,  backend_cfg->bit_width,
          backend_cfg->sample_rate, backend_cfg->channels, backend_cfg->format,
          backend_idx, platform_get_snd_device_name(snd_device));

   return 0;
}


/*
 *Validate the selected bit_width, sample_rate and channels using the edid
 *of the connected sink device.
 */
static void platform_check_hdmi_backend_cfg(struct audio_device* adev,
                                   struct audio_usecase* usecase,
                                   int backend_idx,
                                   struct audio_backend_cfg *hdmi_backend_cfg)
{
    unsigned int bit_width;
    unsigned int sample_rate;
    int channels, max_supported_channels = 0;
    struct platform_data *my_data = (struct platform_data *)adev->platform;
    edid_audio_info *edid_info = (edid_audio_info *)my_data->edid_info;
    bool passthrough_enabled = false;

    bit_width = hdmi_backend_cfg->bit_width;
    sample_rate = hdmi_backend_cfg->sample_rate;
    channels = hdmi_backend_cfg->channels;


    ALOGI("%s:becf: HDMI: bitwidth %d, samplerate %d, channels %d"
          ", usecase = %d", __func__, bit_width,
          sample_rate, channels, usecase->id);

    if (audio_extn_passthru_is_enabled() && audio_extn_passthru_is_active()
        && (usecase->stream.out->compr_config.codec->compr_passthr != 0)) {
        passthrough_enabled = true;
        ALOGI("passthrough is enabled for this stream");
    }

    // For voice calls use default configuration i.e. 16b/48K, only applicable to
    // default backend
    if (!passthrough_enabled) {

        max_supported_channels = platform_edid_get_max_channels(my_data);

        //Check EDID info for supported samplerate
        if (!edid_is_supported_sr(edid_info,sample_rate)) {
            //check to see if current BE sample rate is supported by EDID
            //else assign the highest sample rate supported by EDID
            if (edid_is_supported_sr(edid_info,my_data->current_backend_cfg[backend_idx].sample_rate))
                sample_rate = my_data->current_backend_cfg[backend_idx].sample_rate;
            else
                sample_rate = edid_get_highest_supported_sr(edid_info);
        }

        //Check EDID info for supported bit width
        if (!edid_is_supported_bps(edid_info,bit_width)) {
            //reset to current sample rate
            bit_width = my_data->current_backend_cfg[backend_idx].bit_width;
        }

        if (channels > max_supported_channels)
            channels = max_supported_channels;

    } else {
        channels = audio_extn_passthru_get_channel_count(usecase->stream.out);
        if (channels <= 0) {
            ALOGE("%s: becf: afe: HDMI backend using defalut channel %u",
                  __func__, DEFAULT_HDMI_OUT_CHANNELS);
            channels = DEFAULT_HDMI_OUT_CHANNELS;
        }
        if (((usecase->stream.out->format == AUDIO_FORMAT_E_AC3) ||
            (usecase->stream.out->format == AUDIO_FORMAT_E_AC3_JOC) ||
            (usecase->stream.out->format == AUDIO_FORMAT_DOLBY_TRUEHD))
            && (usecase->stream.out->compr_config.codec->compr_passthr == PASSTHROUGH)) {
            sample_rate = sample_rate * 4;
            if (sample_rate > HDMI_PASSTHROUGH_MAX_SAMPLE_RATE)
                sample_rate = HDMI_PASSTHROUGH_MAX_SAMPLE_RATE;
        }

        bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
        /* We force route so that the BE format can be set to Compr */
    }

    ALOGI("%s:becf: afe: HDMI backend: passthrough %d updated bit width: %d and sample rate: %d"
           "channels %d", __func__, passthrough_enabled , bit_width,
           sample_rate, channels);

    hdmi_backend_cfg->bit_width = bit_width;
    hdmi_backend_cfg->sample_rate = sample_rate;
    hdmi_backend_cfg->channels = channels;
    hdmi_backend_cfg->passthrough_enabled = passthrough_enabled;
}

/*
 * goes through all the current usecases and picks the highest
 * bitwidth & samplerate
 */
static bool platform_check_codec_backend_cfg(struct audio_device* adev,
                                   struct audio_usecase* usecase,
                                   snd_device_t snd_device,
                                   struct audio_backend_cfg *backend_cfg)
{
    bool backend_change = false;
    struct listnode *node;
    struct stream_out *out = NULL;
    char value[PROPERTY_VALUE_MAX] = {0};
    unsigned int bit_width;
    unsigned int sample_rate;
    unsigned int channels;
    bool passthrough_enabled = false;
    bool voice_call_active = false;
    int backend_idx = DEFAULT_CODEC_BACKEND;
    struct platform_data *my_data = (struct platform_data *)adev->platform;
    int na_mode = platform_get_native_support();
    bool channels_updated = false;
    struct audio_device_config_param *adev_device_cfg_ptr = adev->device_cfg_params;

    /*BT devices backend is not configured from HAL hence skip*/
    if (snd_device == SND_DEVICE_OUT_BT_A2DP ||
        snd_device == SND_DEVICE_OUT_BT_SCO ||
        snd_device == SND_DEVICE_OUT_BT_SCO_WB ||
        snd_device == SND_DEVICE_OUT_AFE_PROXY) {
        backend_change = false;
        return backend_change;
    }

    backend_idx = platform_get_backend_index(snd_device);

    bit_width = backend_cfg->bit_width;
    sample_rate = backend_cfg->sample_rate;
    channels = backend_cfg->channels;

    ALOGI("%s:becf: afe: Codec selected backend: %d current bit width: %d sample rate: %d channels: %d "
            "usecase %d device (%s)", __func__, backend_idx, bit_width, sample_rate, channels,
            usecase->id, platform_get_snd_device_name(snd_device));

    // For voice calls use default configuration i.e. 16b/48K, only applicable to
    // default backend
    // force routing is not required here, caller will do it anyway
    if (backend_idx == platform_get_voice_call_backend(adev)) {
        ALOGW("%s:becf: afe:Use default bw and sr for voice/voip calls ",
              __func__);
        bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
        sample_rate =  CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
        channels = CODEC_BACKEND_DEFAULT_CHANNELS;
        voice_call_active = true;
    } else {
        /*
         * The backend should be configured at highest bit width and/or
         * sample rate amongst all playback usecases.
         * If the selected sample rate and/or bit width differ with
         * current backend sample rate and/or bit width, then, we set the
         * backend re-configuration flag.
         *
         * Exception: 16 bit playbacks is allowed through 16 bit/48/44.1 khz backend only
         */
        int i =0;
        list_for_each(node, &adev->usecase_list) {
            struct audio_usecase *uc;
            uc = node_to_item(node, struct audio_usecase, list);
            struct stream_out *out = (struct stream_out*) uc->stream.out;
            if (uc->type == PCM_PLAYBACK && out && usecase != uc) {
                unsigned int out_channels = audio_channel_count_from_out_mask(out->channel_mask);

                ALOGD("%s:napb: (%d) - (%s)id (%d) sr %d bw "
                      "(%d) ch (%d) device %s", __func__, i++, use_case_table[uc->id],
                      uc->id, out->sample_rate,
                      out->bit_width, out_channels,
                      platform_get_snd_device_name(uc->out_snd_device));

                if (platform_check_backends_match(snd_device, uc->out_snd_device)) {
                        if (bit_width < out->bit_width)
                            bit_width = out->bit_width;
                        if (sample_rate < out->sample_rate)
                            sample_rate = out->sample_rate;
                        if (out->sample_rate < OUTPUT_SAMPLING_RATE_44100)
                            sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
                        if (channels < out_channels)
                            channels = out_channels;
                }
            }
        }
    }

    /* Native playback is preferred for Headphone/HS device over 192Khz */
    if (!voice_call_active && codec_device_supports_native_playback(usecase->devices)) {
        if (audio_is_true_native_stream_active(adev)) {
            if (check_hdset_combo_device(snd_device)) {
                /*
                 * In true native mode Tasha has a limitation that one port at 44.1 khz
                 * cannot drive both spkr and hdset, to simiplify the solution lets
                 * move the AFE to 48khzwhen a ring tone selects combo device.
                 * or if NATIVE playback is not enabled.
                 */
                    sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
                    bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
                    ALOGD("%s:becf: afe: port to run at 48k if combo device or in voice call"
                           , __func__);
            } else {
             /*
              * in single BE mode, if native audio playback
              * is active then it will take priority
              */
                 sample_rate = OUTPUT_SAMPLING_RATE_44100;
                 ALOGD("%s:becf: afe: true napb active set rate to 44.1 khz",
                       __func__);
            }
        } else if (na_mode != NATIVE_AUDIO_MODE_MULTIPLE_44_1) {
            /*
             * Map native sampling rates to upper limit range
             * if multiple of native sampling rates are not supported.
             * This check also indicates that this is not tavil codec
             * And 32bit/384kHz is only supported on tavil
             * Hence reset 32b/384kHz to 24b/192kHz.
             */
            switch (sample_rate) {
                case 44100:
                    sample_rate = 48000;
                    break;
                case 88200:
                    sample_rate = 96000;
                    break;
                case 176400:
                case 352800:
                case 384000:
                    sample_rate = 192000;
                    break;
            }
            if (bit_width > 24)
                bit_width = 24;

            ALOGD("%s:becf: afe: napb not active - set non fractional rate",
                       __func__);
        }
    }

    /*
     * Check if the device is speaker or handset,assumption handset shares
     * backend with speaker, and these devices are restricited to 48kHz.
     */
    if (platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, snd_device)) {
        sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;

        if (bit_width >= 24) {
            bit_width = platform_get_snd_device_bit_width(SND_DEVICE_OUT_SPEAKER);
            ALOGD("%s:becf: afe: reset bitwidth to %d (based on supported"
                  " value for this platform)", __func__, bit_width);
        }

        ALOGD("%s:becf: afe: playback on codec device not supporting native playback set "
            "default Sample Rate(48k)", __func__);
    }

    /*
     * reset the sample rate to default value(48K), if hifi audio is not supported
     */
    if (!my_data->hifi_audio && (usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND)) {
               ALOGD("%s:becf: afe: only 48KHZ sample rate is supported "
                      "Configure afe to default Sample Rate(48k)", __func__);
               sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
    }

    if ((backend_idx == HDMI_RX_BACKEND) || (backend_idx == DISP_PORT_RX_BACKEND)) {
        struct audio_backend_cfg hdmi_backend_cfg;
        hdmi_backend_cfg.bit_width = bit_width;
        hdmi_backend_cfg.sample_rate = sample_rate;
        hdmi_backend_cfg.channels = channels;
        hdmi_backend_cfg.passthrough_enabled = false;

        /*HDMI does not support 384Khz/32bit playback hence configure BE to 24b/192Khz*/
        /* TODO: Instead have the validation against edid return the next best match*/
        if (bit_width > 24)
            hdmi_backend_cfg.bit_width = 24;
        if (sample_rate > 192000)
            hdmi_backend_cfg.sample_rate = 192000;

        platform_check_hdmi_backend_cfg(adev, usecase, backend_idx, &hdmi_backend_cfg);

        bit_width = hdmi_backend_cfg.bit_width;
        sample_rate = hdmi_backend_cfg.sample_rate;
        channels = hdmi_backend_cfg.channels;
        passthrough_enabled = hdmi_backend_cfg.passthrough_enabled;

        if (channels != my_data->current_backend_cfg[backend_idx].channels)
            channels_updated = true;
    }

    //check if mulitchannel clip needs to be down sampled to 48k
    property_get("vendor.audio.playback.mch.downsample",value,"");
    if (!strncmp("true", value, sizeof("true"))) {
        out = usecase->stream.out;
        if ((popcount(out->channel_mask) > 2) &&
                      (out->sample_rate > CODEC_BACKEND_DEFAULT_SAMPLE_RATE) &&
                      !(out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_PASSTHROUGH)) {
           sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
          /* update out sample rate to reflect current backend sample rate  */
           out->sample_rate = sample_rate;
           ALOGD("%s: MCH session defaulting sample rate to %d",
                        __func__, sample_rate);
         }
    }

    if (backend_idx == USB_AUDIO_RX_BACKEND) {
        audio_extn_usb_is_config_supported(&bit_width, &sample_rate, &channels, true);
        ALOGV("%s: USB BE configured as bit_width(%d)sample_rate(%d)channels(%d)",
                   __func__, bit_width, sample_rate, channels);
        if (channels != my_data->current_backend_cfg[backend_idx].channels)
            channels_updated = true;
    }

    ALOGI("%s:becf: afe: Codec selected backend: %d updated bit width: %d "
            "sample rate: %d channels: %d", __func__, backend_idx,
            bit_width, sample_rate, channels);
    // Force routing if the expected bitwdith or samplerate
    // is not same as current backend comfiguration
    if ((bit_width != my_data->current_backend_cfg[backend_idx].bit_width) ||
        (sample_rate != my_data->current_backend_cfg[backend_idx].sample_rate) ||
         passthrough_enabled || channels_updated) {
        backend_cfg->bit_width = bit_width;
        backend_cfg->sample_rate = sample_rate;
        backend_cfg->channels = channels;
        backend_cfg->passthrough_enabled = passthrough_enabled;
        backend_change = true;
        ALOGI("%s:becf: afe: Codec backend needs to be updated. new bit width: %d"
              " new sample rate: %d new channels %d",__func__,
               backend_cfg->bit_width, backend_cfg->sample_rate, backend_cfg->channels);
    }

    // Force routing if the client sends config params for this backend
    adev_device_cfg_ptr += backend_idx;
    if (adev_device_cfg_ptr->use_client_dev_cfg) {
        ALOGV("%s: Codec backend needs to be updated as Client provided "
              "config params", __func__);
        backend_change = true;
    }

    if (snd_device == SND_DEVICE_OUT_HEADPHONES || snd_device ==
        SND_DEVICE_OUT_HEADPHONES_44_1) {
        if (sample_rate > 48000 ||
            (bit_width >= 24 && (sample_rate == 48000  || sample_rate == 44100))) {
            ALOGV("%s: apply HPH HQ mode\n", __func__);
            audio_route_apply_and_update_path(adev->audio_route, "hph-highquality-mode");
        } else {
            ALOGV("%s: apply HPH LP mode\n", __func__);
            audio_route_apply_and_update_path(adev->audio_route, "hph-lowpower-mode");
        }
    }

    return backend_change;
}

bool platform_check_and_set_codec_backend_cfg(struct audio_device* adev,
    struct audio_usecase *usecase, snd_device_t snd_device)
{
    int backend_idx = DEFAULT_CODEC_BACKEND;
    int new_snd_devices[SND_DEVICE_OUT_END] = {0};
    int i, num_devices = 1;
    struct audio_backend_cfg backend_cfg;
    bool ret = false;

    backend_idx = platform_get_backend_index(snd_device);

    if (usecase->type == TRANSCODE_LOOPBACK) {
        backend_cfg.bit_width = usecase->stream.inout->out_config.bit_width;
        backend_cfg.sample_rate = usecase->stream.inout->out_config.sample_rate;
        backend_cfg.format = usecase->stream.inout->out_config.format;
        backend_cfg.channels = audio_channel_count_from_out_mask(
                usecase->stream.inout->out_config.channel_mask);
    } else {
        backend_cfg.bit_width = usecase->stream.out->bit_width;
        backend_cfg.sample_rate = usecase->stream.out->sample_rate;
        backend_cfg.format = usecase->stream.out->format;
        backend_cfg.channels = audio_channel_count_from_out_mask(usecase->stream.out->channel_mask);
    }
    /* enforce AFE bitwidth mode via backend_cfg */
    if (audio_extn_is_dsp_bit_width_enforce_mode_supported(usecase->stream.out->flags) &&
                (adev->dsp_bit_width_enforce_mode > backend_cfg.bit_width))
        backend_cfg.bit_width = adev->dsp_bit_width_enforce_mode;

    /*this is populated by check_codec_backend_cfg hence set default value to false*/
    backend_cfg.passthrough_enabled = false;

    /* Set Backend sampling rate to 176.4 for DSD64 and
     * 352.8Khz for DSD128.
     * Set Bit Width to 16
     */
    if ((backend_idx == DSD_NATIVE_BACKEND) && (backend_cfg.format == AUDIO_FORMAT_DSD)) {
        backend_cfg.bit_width = 16;
        if (backend_cfg.sample_rate == INPUT_SAMPLING_RATE_DSD64)
            backend_cfg.sample_rate = OUTPUT_SAMPLING_RATE_DSD64;
        else if (backend_cfg.sample_rate == INPUT_SAMPLING_RATE_DSD128)
            backend_cfg.sample_rate = OUTPUT_SAMPLING_RATE_DSD128;
    }
    ALOGI("%s:becf: afe: bitwidth %d, samplerate %d channels %d"
          ", backend_idx %d usecase = %d device (%s)", __func__, backend_cfg.bit_width,
          backend_cfg.sample_rate,  backend_cfg.channels, backend_idx, usecase->id,
          platform_get_snd_device_name(snd_device));

    if (platform_split_snd_device(adev->platform, snd_device,
                                  &num_devices, new_snd_devices) < 0)
        new_snd_devices[0] = snd_device;

    for (i = 0; i < num_devices; i++) {
        ALOGI("%s: becf: new_snd_devices[%d] is %s", __func__, i,
            platform_get_snd_device_name(new_snd_devices[i]));
        if (platform_check_codec_backend_cfg(adev, usecase, new_snd_devices[i],
                                             &backend_cfg)) {
                ret = platform_set_codec_backend_cfg(adev, new_snd_devices[i],
                                               backend_cfg);
                if (!ret) {
                    ret = true;
                } else {
                    ret = false;
                }
        }
    }

    return ret;
}

/*
 * goes through all the current usecases and picks the highest
 * bitwidth & samplerate
 */
static bool platform_check_capture_codec_backend_cfg(struct audio_device* adev,
                                          int backend_idx,
                                          struct audio_backend_cfg *backend_cfg)
{
    bool backend_change = false;
    unsigned int bit_width;
    unsigned int sample_rate;
    unsigned int channels;
    unsigned int format;
    struct platform_data *my_data = (struct platform_data *)adev->platform;

    bit_width = backend_cfg->bit_width;
    sample_rate = backend_cfg->sample_rate;
    channels = backend_cfg->channels;
    format = backend_cfg->format;

    ALOGI("%s:txbecf: afe: Codec selected backend: %d current bit width: %d and "
          "sample rate: %d, channels %d format %d",__func__,backend_idx, bit_width,
          sample_rate, channels,format);

    // For voice calls use default configuration i.e. 16b/48K, only applicable to
    // default backend
    // force routing is not required here, caller will do it anyway
    if ((voice_is_in_call(adev) || adev->mode == AUDIO_MODE_IN_COMMUNICATION) ||
        (!is_external_codec)) {
        ALOGW("%s:txbecf: afe:Use default bw and sr for voice/voip calls",
              __func__);
        bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
        sample_rate =  CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
        channels = CODEC_BACKEND_DEFAULT_TX_CHANNELS;
    } else {
        struct listnode *node;
        struct audio_usecase *uc = NULL;
        unsigned int uc_channels = 0;
        struct stream_in *in = NULL;
        /* update cfg against other existing capture usecases on same backend */
        list_for_each(node, &adev->usecase_list) {
            uc = node_to_item(node, struct audio_usecase, list);
            in = (struct stream_in *) uc->stream.in;
            if (in != NULL && uc->type == PCM_CAPTURE &&
                backend_idx == platform_get_backend_index(uc->in_snd_device)) {
                uc_channels = audio_channel_count_from_in_mask(in->channel_mask);

                ALOGV("%s:txbecf: uc %s, id %d, sr %d, bw %d, ch %d, device %s",
                      __func__, use_case_table[uc->id], uc->id, in->sample_rate,
                      in->bit_width, uc_channels,
                      platform_get_snd_device_name(uc->in_snd_device));

                if (sample_rate < in->sample_rate)
                    sample_rate = in->sample_rate;
                if (bit_width < in->bit_width)
                    bit_width = in->bit_width;
                if (channels < uc_channels)
                    channels = uc_channels;
            }
        }
    }
    if (backend_idx == USB_AUDIO_TX_BACKEND) {
        audio_extn_usb_is_config_supported(&bit_width, &sample_rate, &channels, false);
        ALOGV("%s: USB BE configured as bit_width(%d)sample_rate(%d)channels(%d)",
              __func__, bit_width, sample_rate, channels);
    }

    ALOGI("%s:txbecf: afe: Codec selected backend: %d updated bit width: %d and "
          "sample rate: %d", __func__, backend_idx, bit_width, sample_rate);
    // Force routing if the expected bitwdith or samplerate
    // is not same as current backend comfiguration
    if ((bit_width != my_data->current_backend_cfg[backend_idx].bit_width) ||
        (sample_rate != my_data->current_backend_cfg[backend_idx].sample_rate) ||
        (channels != my_data->current_backend_cfg[backend_idx].channels) ||
        ((format & AUDIO_FORMAT_MAIN_MASK) != my_data->current_backend_cfg[backend_idx].format)) {
        backend_cfg->bit_width = bit_width;
        backend_cfg->sample_rate= sample_rate;
        backend_cfg->channels = channels;
        backend_cfg->format = format & AUDIO_FORMAT_MAIN_MASK;
        backend_change = true;
        ALOGI("%s:txbecf: afe: Codec backend needs to be updated. new bit width: %d "
              "new sample rate: %d new channel: %d new format: %d",
              __func__, backend_cfg->bit_width,
              backend_cfg->sample_rate, backend_cfg->channels, backend_cfg->format);
    }

    return backend_change;
}

bool platform_check_and_set_capture_codec_backend_cfg(struct audio_device* adev,
    struct audio_usecase *usecase, snd_device_t snd_device)
{
    int backend_idx = platform_get_backend_index(snd_device);
    int ret = 0;
    struct audio_backend_cfg backend_cfg;

    backend_cfg.passthrough_enabled = false;

    if (usecase->type == TRANSCODE_LOOPBACK) {
        backend_cfg.bit_width = usecase->stream.inout->in_config.bit_width;
        backend_cfg.sample_rate = usecase->stream.inout->in_config.sample_rate;
        backend_cfg.format = usecase->stream.inout->in_config.format;
        backend_cfg.channels = audio_channel_count_from_out_mask(
                usecase->stream.inout->in_config.channel_mask);
    } else if (usecase->type == PCM_CAPTURE) {
        backend_cfg.sample_rate= usecase->stream.in->sample_rate;
        backend_cfg.bit_width= usecase->stream.in->bit_width;
        backend_cfg.format= usecase->stream.in->format;
        backend_cfg.channels = audio_channel_count_from_in_mask(usecase->stream.in->channel_mask);
    } else {
        backend_cfg.bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
        backend_cfg.sample_rate =  CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
        backend_cfg.format = AUDIO_FORMAT_PCM_16_BIT;
        backend_cfg.channels = 1;
    }

    ALOGI("%s:txbecf: afe: bitwidth %d, samplerate %d, channel %d format %d"
          ", backend_idx %d usecase = %d device (%s)", __func__,
          backend_cfg.bit_width,
          backend_cfg.sample_rate,
          backend_cfg.channels,
          backend_cfg.format,
          backend_idx, usecase->id,
          platform_get_snd_device_name(snd_device));
    if (platform_check_capture_codec_backend_cfg(adev, backend_idx,
                                                 &backend_cfg)) {
        ret = platform_set_codec_backend_cfg(adev, snd_device,
                                             backend_cfg);
        if(!ret)
            return true;
    }

    return false;
}

int platform_set_snd_device_backend(snd_device_t device, const char *backend_tag,
                                    const char * hw_interface)
{
    int ret = 0;

    if ((device < SND_DEVICE_MIN) || (device >= SND_DEVICE_MAX)) {
        ALOGE("%s: Invalid snd_device = %d",
            __func__, device);
        ret = -EINVAL;
        goto done;
    }

    ALOGD("%s: backend_tag_table[%s]: old = %s new = %s", __func__,
          platform_get_snd_device_name(device),
          backend_tag_table[device] != NULL ? backend_tag_table[device]: "null",
          backend_tag);

    if (backend_tag != NULL ) {
        if (backend_tag_table[device]) {
           free(backend_tag_table[device]);
        }
        backend_tag_table[device] = strdup(backend_tag);
    }

    if (hw_interface != NULL) {
        if (hw_interface_table[device])
            free(hw_interface_table[device]);

        ALOGD("%s: hw_interface_table[%d] = %s", __func__, device, hw_interface);
        hw_interface_table[device] = strdup(hw_interface);
    }
done:
    return ret;
}

const char *platform_get_snd_device_backend_interface(snd_device_t device)
{
    const char *hw_interface_name = NULL;

    if ((device < SND_DEVICE_MIN) || (device >= SND_DEVICE_MAX)) {
        ALOGE("%s: Invalid snd_device = %d",
            __func__, device);
        goto done;
    }

    /* Get string value of necessary backend for device */
    hw_interface_name = hw_interface_table[device];
    if (hw_interface_name == NULL)
        ALOGE("%s: no hw_interface set for device %d\n", __func__, device);
    else
        ALOGD("%s: hw_interface set for device %s\n", __func__, hw_interface_name);
done:
    return hw_interface_name;
}


int platform_get_snd_device_backend_index(snd_device_t device)
{
    int i, be_dai_id;
    const char * hw_interface_name = NULL;

    ALOGV("%s: enter with device %s\n",
          __func__, platform_get_snd_device_name(device));

    if ((device < SND_DEVICE_MIN) || (device >= SND_DEVICE_MAX)) {
        ALOGE("%s: Invalid snd_device = %d", __func__, device);
        be_dai_id = -EINVAL;
        goto done;
    }

    /* Get string value of necessary backend for device */
    hw_interface_name = hw_interface_table[device];
    if (hw_interface_name == NULL) {
        ALOGE("%s: no hw_interface set for device %s\n",
              __func__, platform_get_snd_device_name(device));
        be_dai_id = -EINVAL;
        goto done;
    }

    /* Check if be dai name table was retrieved successfully */
    if (be_dai_name_table == NULL) {
        ALOGE("%s: BE DAI Name Table is not present\n",  __func__);
        be_dai_id = -EFAULT;
        goto done;
    }

    /* Get backend ID for device specified */
    for (i = 0; i < max_be_dai_names; i++) {
        if (strcmp(hw_interface_name, be_dai_name_table[i].be_name) == 0) {
            be_dai_id = be_dai_name_table[i].be_id;
            goto done;
        }
    }
    ALOGE("%s: no interface matching name %s\n", __func__, hw_interface_name);
    be_dai_id = -EINVAL;
    goto done;

done:
    return be_dai_id;
}

int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id)
{
    int ret = 0;
    if ((usecase <= USECASE_INVALID) || (usecase >= AUDIO_USECASE_MAX)) {
        ALOGE("%s: invalid usecase case idx %d", __func__, usecase);
        ret = -EINVAL;
        goto done;
    }

    if ((type != 0) && (type != 1)) {
        ALOGE("%s: invalid usecase type", __func__);
        ret = -EINVAL;
    }
    ALOGV("%s: pcm_device_table[%d][%d] = %d", __func__, usecase, type, pcm_id);
    pcm_device_table[usecase][type] = pcm_id;
done:
    return ret;
}

void platform_get_device_to_be_id_map(int **device_to_be_id, int *length)
{
     *device_to_be_id = (int*) msm_device_to_be_id;
     *length = msm_be_id_array_len;
}

int platform_set_stream_pan_scale_params(void *platform,
                                         int snd_id,
                                         struct mix_matrix_params mm_params)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl = NULL;
    char mixer_ctl_name[MIXER_PATH_MAX_LENGTH] = {0};
    int ret = 0;
    int iter_i = 0;
    int iter_j = 0;
    int length = 0;
    char *pan_scale_data = NULL;

    snprintf(mixer_ctl_name, sizeof(mixer_ctl_name),
                          "Audio Stream %d Pan Scale Control", snd_id);
    ALOGD("%s mixer_ctl_name:%s", __func__, mixer_ctl_name);

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        ret = -EINVAL;
        goto end;
    }
    pan_scale_data = (char *) calloc(1, sizeof(mm_params));
    if (!pan_scale_data) {
        ret = -ENOMEM;
        goto end;
    }
    memcpy(&pan_scale_data[length], &mm_params.num_output_channels,
                              sizeof(mm_params.num_output_channels));
    length += sizeof(mm_params.num_output_channels);
    memcpy(&pan_scale_data[length], &mm_params.num_input_channels,
                              sizeof(mm_params.num_input_channels));
    length += sizeof(mm_params.num_input_channels);

    memcpy(&pan_scale_data[length], &mm_params.has_output_channel_map,
                              sizeof(mm_params.has_output_channel_map));
    length += sizeof(mm_params.has_output_channel_map);
    if (mm_params.has_output_channel_map &&
        mm_params.num_output_channels <= MAX_CHANNELS_SUPPORTED &&
        mm_params.num_output_channels > 0) {
        memcpy(&pan_scale_data[length], mm_params.output_channel_map,
                (mm_params.num_output_channels * sizeof(mm_params.output_channel_map[0])));
        length += (mm_params.num_output_channels * sizeof(mm_params.output_channel_map[0]));
    } else {
        ret = -EINVAL;
        goto end;
    }

    memcpy(&pan_scale_data[length], &mm_params.has_input_channel_map,
                                sizeof(mm_params.has_input_channel_map));
    length += sizeof(mm_params.has_input_channel_map);
    if (mm_params.has_input_channel_map &&
        mm_params.num_input_channels <= MAX_CHANNELS_SUPPORTED &&
        mm_params.num_input_channels > 0) {
        memcpy(&pan_scale_data[length], mm_params.input_channel_map,
               (mm_params.num_input_channels * sizeof(mm_params.input_channel_map[0])));
            length += (mm_params.num_input_channels * sizeof(mm_params.input_channel_map[0]));
    } else {
        ret = -EINVAL;
        goto end;
    }
    pan_scale_data[length] = mm_params.has_mixer_coeffs;
    length += sizeof(mm_params.has_mixer_coeffs);
    if (mm_params.has_mixer_coeffs)
        for (iter_i = 0; iter_i < mm_params.num_output_channels; iter_i++)
            for (iter_j = 0; iter_j < mm_params.num_input_channels; iter_j++) {
                 memcpy(&pan_scale_data[length],
                        &mm_params.mixer_coeffs[iter_i][iter_j],
                        (sizeof(mm_params.mixer_coeffs[0][0])));
                 length += (sizeof(mm_params.mixer_coeffs[0][0]));
            }

    ret = mixer_ctl_set_array(ctl, pan_scale_data, length);
end:
    if (pan_scale_data)
        free(pan_scale_data);
    return ret;
}

int platform_set_stream_downmix_params(void *platform,
                                       int snd_id,
                                       snd_device_t snd_device,
                                       struct mix_matrix_params mm_params)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct mixer_ctl *ctl;
    char mixer_ctl_name[MIXER_PATH_MAX_LENGTH] = {0};
    char *downmix_param_data = NULL;
    int ret = 0;
    int iter_i = 0;
    int iter_j = 0;
    int length = 0;
    int be_idx = 0;

    snprintf(mixer_ctl_name, sizeof(mixer_ctl_name),
                          "Audio Device %d Downmix Control", snd_id);
    ALOGD("%s mixer_ctl_name:%s", __func__, mixer_ctl_name);

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        ret = -EINVAL;
    }

    downmix_param_data = (char *) calloc(1, sizeof(mm_params) + sizeof(be_idx));
    if (!downmix_param_data) {
        ret = -ENOMEM;
        goto end;
    }
    be_idx = platform_get_snd_device_backend_index(snd_device);
    memcpy(&downmix_param_data[length], &be_idx, sizeof(be_idx));
    length += sizeof(be_idx);
    memcpy(&downmix_param_data[length], &mm_params.num_output_channels,
                                    sizeof(mm_params.num_output_channels));
    length += sizeof(mm_params.num_output_channels);
    memcpy(&downmix_param_data[length], &mm_params.num_input_channels,
                                    sizeof(mm_params.num_input_channels));
    length += sizeof(mm_params.num_input_channels);

    memcpy(&downmix_param_data[length], &mm_params.has_output_channel_map,
                                   sizeof(mm_params.has_output_channel_map));
    length += sizeof(mm_params.has_output_channel_map);
    if (mm_params.has_output_channel_map &&
        mm_params.num_output_channels <= MAX_CHANNELS_SUPPORTED &&
        mm_params.num_output_channels > 0) {
        memcpy(&downmix_param_data[length], mm_params.output_channel_map,
                (mm_params.num_output_channels * sizeof(mm_params.output_channel_map[0])));
        length += (mm_params.num_output_channels * sizeof(mm_params.output_channel_map[0]));
    } else {
        ret = -EINVAL;
        goto end;
    }

    memcpy(&downmix_param_data[length], &mm_params.has_input_channel_map,
                                   sizeof(mm_params.has_input_channel_map));
    length += sizeof(mm_params.has_input_channel_map);
    if (mm_params.has_input_channel_map &&
        mm_params.num_input_channels <= MAX_CHANNELS_SUPPORTED &&
        mm_params.num_input_channels > 0) {
        memcpy(&downmix_param_data[length], mm_params.input_channel_map,
                (mm_params.num_input_channels * sizeof(mm_params.input_channel_map[0])));
            length += (mm_params.num_input_channels * sizeof(mm_params.input_channel_map[0]));
    } else {
        ret = -EINVAL;
        goto end;
    }
    memcpy(&downmix_param_data[length], &mm_params.has_mixer_coeffs,
                                    sizeof(mm_params.has_mixer_coeffs));
    length += sizeof(mm_params.has_mixer_coeffs);
    if (mm_params.has_mixer_coeffs)
        for (iter_i = 0; iter_i < mm_params.num_output_channels; iter_i++)
            for (iter_j = 0; iter_j < mm_params.num_input_channels; iter_j++) {
                memcpy((uint32_t *) &downmix_param_data[length],
                        &mm_params.mixer_coeffs[iter_i][iter_j],
                        (sizeof(mm_params.mixer_coeffs[0][0])));
                length += (sizeof(mm_params.mixer_coeffs[0][0]));
            }

    ret = mixer_ctl_set_array(ctl, downmix_param_data, length);
end:
    if (downmix_param_data)
        free(downmix_param_data);
    return ret;
}

int platform_set_stream_channel_map(void *platform, audio_channel_mask_t channel_mask,
                                               int snd_id, uint8_t *input_channel_map)
{
    int ret = 0, i = 0;
    int channels = audio_channel_count_from_out_mask(channel_mask);

    char channel_map[AUDIO_CHANNEL_COUNT_MAX];
    memset(channel_map, 0, sizeof(channel_map));
    if (*input_channel_map) {
        for (i = 0; i < channels; i++) {
             ALOGV("%s:: Channel Map channel_map[%d] - %d", __func__, i, *input_channel_map);
             channel_map[i] = *input_channel_map;
             input_channel_map++;
        }
    } else {
        /* Following are all most common standard WAV channel layouts
           overridden by channel mask if its allowed and different */
        switch (channels) {
            case 1:
                /* AUDIO_CHANNEL_OUT_MONO */
                channel_map[0] = PCM_CHANNEL_FC;
                break;
            case 2:
                /* AUDIO_CHANNEL_OUT_STEREO */
                channel_map[0] = PCM_CHANNEL_FL;
                channel_map[1] = PCM_CHANNEL_FR;
                break;
            case 3:
                /* AUDIO_CHANNEL_OUT_2POINT1 */
                channel_map[0] = PCM_CHANNEL_FL;
                channel_map[1] = PCM_CHANNEL_FR;
                channel_map[2] = PCM_CHANNEL_FC;
                break;
            case 4:
                /* AUDIO_CHANNEL_OUT_QUAD_SIDE */
                channel_map[0] = PCM_CHANNEL_FL;
                channel_map[1] = PCM_CHANNEL_FR;
                channel_map[2] = PCM_CHANNEL_LS;
                channel_map[3] = PCM_CHANNEL_RS;
                if (channel_mask == AUDIO_CHANNEL_OUT_QUAD_BACK) {
                    channel_map[2] = PCM_CHANNEL_LB;
                    channel_map[3] = PCM_CHANNEL_RB;
                }
                if (channel_mask == AUDIO_CHANNEL_OUT_SURROUND) {
                    channel_map[2] = PCM_CHANNEL_FC;
                    channel_map[3] = PCM_CHANNEL_CS;
                }
                break;
            case 5:
                /* AUDIO_CHANNEL_OUT_PENTA */
                channel_map[0] = PCM_CHANNEL_FL;
                channel_map[1] = PCM_CHANNEL_FR;
                channel_map[2] = PCM_CHANNEL_FC;
                channel_map[3] = PCM_CHANNEL_LB;
                channel_map[4] = PCM_CHANNEL_RB;
                break;
            case 6:
                /* AUDIO_CHANNEL_OUT_5POINT1 */
                channel_map[0] = PCM_CHANNEL_FL;
                channel_map[1] = PCM_CHANNEL_FR;
                channel_map[2] = PCM_CHANNEL_FC;
                channel_map[3] = PCM_CHANNEL_LFE;
                channel_map[4] = PCM_CHANNEL_LB;
                channel_map[5] = PCM_CHANNEL_RB;
                if (channel_mask == AUDIO_CHANNEL_OUT_5POINT1_SIDE) {
                    channel_map[4] = PCM_CHANNEL_LS;
                    channel_map[5] = PCM_CHANNEL_RS;
                }
                break;
            case 7:
                /* AUDIO_CHANNEL_OUT_6POINT1 */
                channel_map[0] = PCM_CHANNEL_FL;
                channel_map[1] = PCM_CHANNEL_FR;
                channel_map[2] = PCM_CHANNEL_FC;
                channel_map[3] = PCM_CHANNEL_LFE;
                channel_map[4] = PCM_CHANNEL_LB;
                channel_map[5] = PCM_CHANNEL_RB;
                channel_map[6] = PCM_CHANNEL_CS;
                break;
            case 8:
                /* AUDIO_CHANNEL_OUT_7POINT1 */
                channel_map[0] = PCM_CHANNEL_FL;
                channel_map[1] = PCM_CHANNEL_FR;
                channel_map[2] = PCM_CHANNEL_FC;
                channel_map[3] = PCM_CHANNEL_LFE;
                channel_map[4] = PCM_CHANNEL_LB;
                channel_map[5] = PCM_CHANNEL_RB;
                channel_map[6] = PCM_CHANNEL_LS;
                channel_map[7] = PCM_CHANNEL_RS;
                break;
            default:
                ALOGE("unsupported channels %d for setting channel map", channels);
                return -1;
        }
    }
    ret = platform_set_channel_map(platform, channels, channel_map, snd_id);
    return ret;
}

void platform_check_and_update_copp_sample_rate(void* platform, snd_device_t snd_device,
                                                unsigned int stream_sr, int* sample_rate)
{
    struct platform_data* my_data = (struct platform_data *)platform;
    int backend_idx = platform_get_backend_index(snd_device);
    int device_sr = my_data->current_backend_cfg[backend_idx].sample_rate;
    /*Check if device SR is multiple of 8K or 11.025 Khz
     *check if the stream SR is multiple of same base, if not set
     *copp sample rate equal to device sample rate.
     */
     if (!(((sample_rate_multiple(device_sr, SAMPLE_RATE_8000)) &&
                 (sample_rate_multiple(stream_sr, SAMPLE_RATE_8000))) ||
           ((sample_rate_multiple(device_sr, SAMPLE_RATE_11025)) &&
                 (sample_rate_multiple(stream_sr, SAMPLE_RATE_11025))))) {
         *sample_rate = device_sr;
     } else
         *sample_rate = stream_sr;

     if (snd_device == SND_DEVICE_OUT_HDMI)
         *sample_rate = platform_get_supported_copp_sampling_rate(stream_sr);

     ALOGI("sn_device %d device sr %d stream sr %d copp sr %d", snd_device, device_sr, stream_sr
, *sample_rate);

}

int platform_get_edid_info(void *platform)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    char block[MAX_SAD_BLOCKS * SAD_BLOCK_SIZE];
    int ret, count;
    char *mix_ctl_name;
    struct mixer_ctl *ctl;
    char edid_data[MAX_SAD_BLOCKS * SAD_BLOCK_SIZE + 1] = {0};
    edid_audio_info *info;

    if (my_data->edid_valid) {
        /* use cached edid */
        return 0;
    }

    switch(my_data->ext_disp_type) {
        case EXT_DISPLAY_TYPE_HDMI:
            mix_ctl_name = "HDMI EDID";
            break;
        case EXT_DISPLAY_TYPE_DP:
            mix_ctl_name = "Display Port EDID";
            break;
        default:
            ALOGE("%s: Invalid disp_type %d", __func__, my_data->ext_disp_type);
            return -EINVAL;
    }

    if (my_data->edid_info == NULL) {
        my_data->edid_info =
            (struct edid_audio_info *)calloc(1, sizeof(struct edid_audio_info));
    }

    info = my_data->edid_info;
    ctl = mixer_get_ctl_by_name(adev->mixer, mix_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mix_ctl_name);
        goto fail;
    }

    mixer_ctl_update(ctl);

    count = mixer_ctl_get_num_values(ctl);

    /* Read SAD blocks, clamping the maximum size for safety */
    if (count > (int)sizeof(block))
        count = (int)sizeof(block);

    ret = mixer_ctl_get_array(ctl, block, count);
    if (ret != 0) {
        ALOGE("%s: mixer_ctl_get_array() failed to get EDID info", __func__);
        goto fail;
    }
    edid_data[0] = count;
    memcpy(&edid_data[1], block, count);

    if (!edid_get_sink_caps(info, edid_data)) {
        ALOGE("%s: Failed to get extn disp sink capabilities", __func__);
        goto fail;
    }
    my_data->edid_valid = true;
    return 0;
fail:
    if (my_data->edid_info) {
        free(my_data->edid_info);
        my_data->edid_info = NULL;
        my_data->edid_valid = false;
    }
    ALOGE("%s: return -EINVAL", __func__);
    return -EINVAL;
}


int platform_set_channel_allocation(void *platform, int channel_alloc)
{
    struct mixer_ctl *ctl;
    char *mixer_ctl_name;
    int ret;
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;

    switch(my_data->ext_disp_type) {
        case EXT_DISPLAY_TYPE_HDMI:
            mixer_ctl_name = "HDMI RX CA";
            break;
        case EXT_DISPLAY_TYPE_DP:
            mixer_ctl_name = "Display Port RX CA";
            break;
        default:
            ALOGE("%s: Invalid disp_type %d", __func__, my_data->ext_disp_type);
            return -EINVAL;
    }

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        return -EINVAL;
    }
    ALOGD(":%s channel allocation = 0x%x", __func__, channel_alloc);
    ret = mixer_ctl_set_value(ctl, 0, channel_alloc);

    if (ret < 0) {
        ALOGE("%s: Could not set ctl, error:%d ", __func__, ret);
    }

    return ret;
}

int platform_set_channel_map(void *platform, int ch_count, char *ch_map, int snd_id)
{
    struct mixer_ctl *ctl;
    char mixer_ctl_name[44] = {0}; // max length of name is 44 as defined
    int ret;
    unsigned int i;
    long set_values[FCC_8] = {0};
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    ALOGV("%s channel_count:%d",__func__, ch_count);
    if (NULL == ch_map || (ch_count < 1) || (ch_count > FCC_8)) {
        ALOGE("%s: Invalid channel mapping or channel count value", __func__);
        return -EINVAL;
    }

    /*
     * If snd_id is greater than 0, stream channel mapping
     * If snd_id is below 0, typically -1, device channel mapping
     */
    if (snd_id >= 0) {
        snprintf(mixer_ctl_name, sizeof(mixer_ctl_name), "Playback Channel Map%d", snd_id);
    } else {
        strlcpy(mixer_ctl_name, "Playback Device Channel Map", sizeof(mixer_ctl_name));
    }

    ALOGD("%s mixer_ctl_name:%s", __func__, mixer_ctl_name);

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        return -EINVAL;
    }
    for (i = 0; i < (unsigned int)ch_count; i++) {
        set_values[i] = ch_map[i];
    }

    ALOGD("%s: set mapping(%ld %ld %ld %ld %ld %ld %ld %ld) for channel:%d", __func__,
        set_values[0], set_values[1], set_values[2], set_values[3], set_values[4],
        set_values[5], set_values[6], set_values[7], ch_count);

    ret = mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
    if (ret < 0) {
        ALOGE("%s: Could not set ctl, error:%d ch_count:%d",
              __func__, ret, ch_count);
    }
    return ret;
}

unsigned char platform_map_to_edid_format(int audio_format)
{
    unsigned char format;
    switch (audio_format & AUDIO_FORMAT_MAIN_MASK) {
    case AUDIO_FORMAT_AC3:
        ALOGV("%s: AC3", __func__);
        format = AC3;
        break;
    case AUDIO_FORMAT_AAC:
        ALOGV("%s:AAC", __func__);
        format = AAC;
        break;
    case AUDIO_FORMAT_AAC_ADTS:
        ALOGV("%s:AAC_ADTS", __func__);
        format = AAC;
        break;
    case AUDIO_FORMAT_E_AC3:
    case AUDIO_FORMAT_E_AC3_JOC:
        ALOGV("%s:E_AC3", __func__);
        format = DOLBY_DIGITAL_PLUS;
        break;
    case AUDIO_FORMAT_DOLBY_TRUEHD:
        ALOGV("%s:MAT", __func__);
        format = MAT;
        break;
    case AUDIO_FORMAT_DTS:
        ALOGV("%s:DTS", __func__);
        format = DTS;
        break;
    case AUDIO_FORMAT_DTS_HD:
        ALOGV("%s:DTS_HD", __func__);
        format = DTS_HD;
        break;
    case AUDIO_FORMAT_PCM_16_BIT:
    case AUDIO_FORMAT_PCM_24_BIT_PACKED:
    case AUDIO_FORMAT_PCM_8_24_BIT:
        ALOGV("%s:PCM", __func__);
        format = LPCM;
        break;
    case AUDIO_FORMAT_IEC61937:
        ALOGV("%s:IEC61937", __func__);
        format = 0;
        break;
    default:
        format =  -1;
        ALOGE("%s:invalid format:0x%x", __func__, audio_format);
        break;
    }
    return format;
}

void platform_reset_edid_info(void *platform) {

    ALOGV("%s:", __func__);
    struct platform_data *my_data = (struct platform_data *)platform;
    if (my_data->edid_info) {
        ALOGV("%s :free edid", __func__);
        free(my_data->edid_info);
        my_data->edid_info = NULL;
    }
}

bool platform_is_edid_supported_format(void *platform, int format)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    edid_audio_info *info = NULL;
    int i, ret;
    unsigned char format_id = platform_map_to_edid_format(format);

    if (format == AUDIO_FORMAT_IEC61937)
        return true;

    if (format_id <= 0) {
        ALOGE("%s invalid edid format mappting for :%x" ,__func__, format);
        return false;
    }

    ret = platform_get_edid_info(platform);
    info = (edid_audio_info *)my_data->edid_info;
    if (ret == 0 && info != NULL) {
        for (i = 0; i < info->audio_blocks && i < MAX_EDID_BLOCKS; i++) {
             /*
              * To check
              *  is there any special for CONFIG_HDMI_PASSTHROUGH_CONVERT
              *  & DOLBY_DIGITAL_PLUS
              */
            if (info->audio_blocks_array[i].format_id == format_id) {
                ALOGV("%s:returns true %x",
                      __func__, format);
                return true;
            }
        }
    }
    ALOGV("%s:returns false %x",
           __func__, format);
    return false;
}

bool platform_is_edid_supported_sample_rate(void *platform, int sample_rate)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    edid_audio_info *info = NULL;
    int ret = 0;

    ret = platform_get_edid_info(platform);
    info = (edid_audio_info *)my_data->edid_info;
    if (ret == 0 && info != NULL) {
        return edid_is_supported_sr(info, sample_rate);
    }

    return false;
}

int platform_set_edid_channels_configuration(void *platform, int channels) {

    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    edid_audio_info *info = NULL;
    int channel_count = 2;
    int i, ret;
    char default_channelMap[MAX_CHANNELS_SUPPORTED] = {0};
    struct audio_device_config_param *adev_device_cfg_ptr = adev->device_cfg_params;

    ret = platform_get_edid_info(platform);
    info = (edid_audio_info *)my_data->edid_info;
    adev_device_cfg_ptr += HDMI_RX_BACKEND;
    if(ret == 0 && info != NULL) {
        if (channels > 2) {

            ALOGV("%s:able to get HDMI sink capabilities multi channel playback",
                   __func__);
            for (i = 0; i < info->audio_blocks && i < MAX_EDID_BLOCKS; i++) {
                if (info->audio_blocks_array[i].format_id == LPCM &&
                      info->audio_blocks_array[i].channels > channel_count &&
                      info->audio_blocks_array[i].channels <= MAX_HDMI_CHANNEL_CNT) {
                    channel_count = info->audio_blocks_array[i].channels;
                }
            }
            ALOGV("%s:channel_count:%d", __func__, channel_count);
            /*
             * Channel map is set for supported hdmi max channel count even
             * though the input channel count set on adm is less than or equal to
             * max supported channel count
             */
            if (adev_device_cfg_ptr->use_client_dev_cfg) {
                platform_set_channel_map(platform, adev_device_cfg_ptr->dev_cfg_params.channels,
                                   (char *)adev_device_cfg_ptr->dev_cfg_params.channel_map, -1);
            } else {
                platform_set_channel_map(platform, channel_count, info->channel_map, -1);
            }

            if (adev_device_cfg_ptr->use_client_dev_cfg) {
                ALOGV("%s:: Setting client selected CA %d", __func__,
                            adev_device_cfg_ptr->dev_cfg_params.channel_allocation);
                platform_set_channel_allocation(platform,
                       adev_device_cfg_ptr->dev_cfg_params.channel_allocation);
            } else {
                platform_set_channel_allocation(platform, info->channel_allocation);
           }
        } else {
            if (adev_device_cfg_ptr->use_client_dev_cfg) {
                default_channelMap[0] = adev_device_cfg_ptr->dev_cfg_params.channel_map[0];
                default_channelMap[1] = adev_device_cfg_ptr->dev_cfg_params.channel_map[1];
            } else {
                default_channelMap[0] = PCM_CHANNEL_FL;
                default_channelMap[1] = PCM_CHANNEL_FR;
            }
            platform_set_channel_map(platform,2,default_channelMap,-1);
            platform_set_channel_allocation(platform,0);
        }
    }

    return 0;
}

void platform_cache_edid(void * platform)
{
    platform_get_edid_info(platform);
}

void platform_invalidate_backend_config(void * platform,snd_device_t snd_device)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct audio_backend_cfg backend_cfg;
    int backend_idx;

    backend_cfg.sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
    backend_cfg.channels = CODEC_BACKEND_DEFAULT_CHANNELS;
    backend_cfg.bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
    backend_cfg.format = AUDIO_FORMAT_PCM_16_BIT;
    backend_cfg.passthrough_enabled = false;

    backend_idx = platform_get_backend_index(snd_device);
    platform_set_codec_backend_cfg(adev, snd_device, backend_cfg);
    my_data->current_backend_cfg[backend_idx].sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
    my_data->current_backend_cfg[backend_idx].channels = CODEC_BACKEND_DEFAULT_CHANNELS;
    my_data->current_backend_cfg[backend_idx].bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
    my_data->current_backend_cfg[backend_idx].format = AUDIO_FORMAT_PCM_16_BIT;
}

void platform_invalidate_hdmi_config(void * platform)
{
    //reset ext display EDID info
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    struct audio_backend_cfg backend_cfg;
    int backend_idx;
    snd_device_t snd_device;

    backend_cfg.sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
    backend_cfg.channels = DEFAULT_HDMI_OUT_CHANNELS;
    backend_cfg.bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
    backend_cfg.format = 0;
    backend_cfg.passthrough_enabled = false;

    my_data->edid_valid = false;
    if (my_data->edid_info) {
        memset(my_data->edid_info, 0, sizeof(struct edid_audio_info));
    }

    if (my_data->ext_disp_type == EXT_DISPLAY_TYPE_HDMI) {
        //reset HDMI_RX_BACKEND to default values
        backend_idx = HDMI_RX_BACKEND;
        snd_device = SND_DEVICE_OUT_HDMI;
    } else {
        //reset Display port BACKEND to default values
        backend_idx = DISP_PORT_RX_BACKEND;
        snd_device = SND_DEVICE_OUT_DISPLAY_PORT;
    }
    platform_set_codec_backend_cfg(adev, snd_device, backend_cfg);
    my_data->current_backend_cfg[backend_idx].sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
    my_data->current_backend_cfg[backend_idx].channels = DEFAULT_HDMI_OUT_CHANNELS;
    my_data->current_backend_cfg[backend_idx].bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
    my_data->ext_disp_type = EXT_DISPLAY_TYPE_NONE;
}

int platform_set_mixer_control(struct stream_out *out, const char * mixer_ctl_name,
                      const char *mixer_val)
{
    struct audio_device *adev = out->dev;
    struct mixer_ctl *ctl = NULL;
    ALOGD("setting mixer ctl %s with value %s", mixer_ctl_name, mixer_val);
    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        return -EINVAL;
    }

    return mixer_ctl_set_enum_by_string(ctl, mixer_val);
}

int platform_set_device_params(struct stream_out *out, int param, int value)
{
    struct audio_device *adev = out->dev;
    struct mixer_ctl *ctl;
    char *mixer_ctl_name = "Device PP Params";
    int ret = 0;
    long set_values[] = {0,0};

    set_values[0] = param;
    set_values[1] = value;

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",
              __func__, mixer_ctl_name);
        ret = -EINVAL;
        goto end;
    }

    ALOGV("%s: Setting device pp params param: %d, value %d mixer ctrl:%s",
          __func__,param, value, mixer_ctl_name);
    mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));

end:
    return ret;
}

int platform_get_subsys_image_name(char *buf)
{
    strlcpy(buf, PLATFORM_IMAGE_NAME, sizeof(PLATFORM_IMAGE_NAME));
    return 0;
}

/*
 * This is a lookup table to map android audio input device to audio h/w interface (backend).
 * The table can be extended for other input devices by adding appropriate entries.
 * The audio interface for a particular input device need to be added in
 * audio_platform_info.xml file.
 */
struct audio_device_to_audio_interface audio_device_to_interface_table[] = {
    {AUDIO_DEVICE_IN_BUILTIN_MIC, ENUM_TO_STRING(AUDIO_DEVICE_IN_BUILTIN_MIC), ""},
    {AUDIO_DEVICE_IN_BACK_MIC, ENUM_TO_STRING(AUDIO_DEVICE_IN_BACK_MIC), ""},
};

int audio_device_to_interface_table_len  =
    sizeof(audio_device_to_interface_table) / sizeof(audio_device_to_interface_table[0]);

int platform_set_audio_device_interface(const char * device_name,
                                        const char *intf_name,
                                        const char *codec_type)
{
    int ret = 0;
    int i;

    if (device_name == NULL || intf_name == NULL || codec_type == NULL) {
        ALOGE("%s: Invalid input", __func__);

        ret = -EINVAL;
        goto done;
    }

    ALOGD("%s: Enter, device name:%s, intf name:%s, codec_type:%s", __func__,
                            device_name, intf_name, codec_type);

    size_t device_name_len = strlen(device_name);
    for (i = 0; i < audio_device_to_interface_table_len; i++) {
        char* name = audio_device_to_interface_table[i].device_name;
        size_t name_len = strlen(name);
        if ((name_len == device_name_len) &&
            (strncmp(device_name, name, name_len) == 0)) {
            if (is_external_codec &&
               (strncmp(codec_type, "external", strlen(codec_type)) == 0)) {
                ALOGD("%s: Matched device name:%s, overwrite intf name with %s",
                  __func__, device_name, intf_name);

                strlcpy(audio_device_to_interface_table[i].interface_name, intf_name,
                    sizeof(audio_device_to_interface_table[i].interface_name));
            } else if (!is_external_codec &&
                       (strncmp(codec_type, "internal", strlen(codec_type)) == 0)) {
                ALOGD("%s: Matched device name:%s, overwrite intf name with %s",
                  __func__, device_name, intf_name);

                strlcpy(audio_device_to_interface_table[i].interface_name, intf_name,
                    sizeof(audio_device_to_interface_table[i].interface_name));
            } else
                ALOGE("Invalid codec_type specified. Ignoring this interface entry.");
            goto done;
        }
    }
    ALOGE("%s: Could not find matching device name %s",
            __func__, device_name);

    ret = -EINVAL;

done:
    return ret;
}

int platform_spkr_prot_is_wsa_analog_mode(void *adev)
{
    struct audio_device *adev_h = adev;
    const char *snd_card_name;

    /*
     * wsa analog mode is decided based on the sound card name
     */
    snd_card_name = mixer_get_name(adev_h->mixer);
    if ((!strcmp(snd_card_name, "msm8952-skum-snd-card")) ||
        (!strcmp(snd_card_name, "msm8952-snd-card")) ||
        (!strcmp(snd_card_name, "msm8952-snd-card-mtp")) ||
        (!strcmp(snd_card_name, "msm8976-skun-snd-card")) ||
        (!strcmp(snd_card_name, "msm8953-snd-card-mtp")))
        return 1;
    else
        return 0;
}

static bool can_enable_mbdrc_on_device(snd_device_t snd_device)
{
    bool ret = false;

    if (snd_device == SND_DEVICE_OUT_SPEAKER ||
        snd_device == SND_DEVICE_OUT_SPEAKER_WSA ||
        snd_device == SND_DEVICE_OUT_SPEAKER_VBAT ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2 ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_WSA ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA) {
        ret = true;
    }
    return ret;
}

bool platform_send_gain_dep_cal(void *platform,
                                int level )
{
    bool ret_val = false;
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    int acdb_dev_id, app_type;
    int acdb_dev_type = MSM_SNDDEV_CAP_RX;
    int mode = CAL_MODE_RTAC;
    struct listnode *node;
    struct audio_usecase *usecase;

    if (my_data->acdb_send_gain_dep_cal == NULL) {
        ALOGE("%s: dlsym error for acdb_send_gain_dep_cal", __func__);
        return ret_val;
    }

    if (!voice_is_in_call(adev)) {
        ALOGV("%s: Not Voice call usecase, apply new cal for level %d",
               __func__, level);

        // find the current active sound device
        list_for_each(node, &adev->usecase_list) {
            usecase = node_to_item(node, struct audio_usecase, list);

            if (usecase != NULL && usecase->type == PCM_PLAYBACK) {
                int new_snd_device[2] = {0};
                int i, num_devices = 1;

                ALOGV("%s: out device is %d", __func__,  usecase->out_snd_device);
                app_type = usecase->stream.out->app_type_cfg.app_type;
                acdb_dev_id = acdb_device_table[usecase->out_snd_device];

                if (platform_split_snd_device(my_data, usecase->out_snd_device,
                                              &num_devices, new_snd_device) < 0)
                    new_snd_device[0] = usecase->out_snd_device;

                for (i = 0; i < num_devices; i++)
                    if (can_enable_mbdrc_on_device(new_snd_device[i])) {
                        if (audio_extn_spkr_prot_is_enabled())
                            acdb_dev_id = platform_get_spkr_prot_acdb_id(new_snd_device[i]);
                        else
                            acdb_dev_id = acdb_device_table[new_snd_device[i]];
                    }

                if (!my_data->acdb_send_gain_dep_cal(acdb_dev_id, app_type,
                                                     acdb_dev_type, mode, level)) {
                    // set ret_val true if at least one calibration is set successfully
                    ret_val = true;
                } else {
                    ALOGE("%s: my_data->acdb_send_gain_dep_cal failed ", __func__);
                }
            } else {
                ALOGW("%s: Usecase list is empty", __func__);
            }
        }
    } else {
        ALOGW("%s: Voice call in progress .. ignore setting new cal",
              __func__);
    }
    return ret_val;
}

bool platform_can_enable_spkr_prot_on_device(snd_device_t snd_device)
{
    bool ret = false;

    if (snd_device == SND_DEVICE_OUT_SPEAKER ||
        snd_device == SND_DEVICE_OUT_SPEAKER_REVERSE ||
        snd_device == SND_DEVICE_OUT_SPEAKER_WSA ||
        snd_device == SND_DEVICE_OUT_SPEAKER_VBAT ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_VBAT ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2 ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_WSA ||
        snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA) {
        ret = true;
    }

    return ret;
}

int platform_get_spkr_prot_acdb_id(snd_device_t snd_device)
{
    int acdb_id;

    switch(snd_device) {
        case SND_DEVICE_OUT_SPEAKER:
        case SND_DEVICE_OUT_SPEAKER_WSA:
             acdb_id = platform_get_snd_device_acdb_id(SND_DEVICE_OUT_SPEAKER_PROTECTED);
             break;
        case SND_DEVICE_OUT_VOICE_SPEAKER:
        case SND_DEVICE_OUT_VOICE_SPEAKER_WSA:
             acdb_id = platform_get_snd_device_acdb_id(SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED);
             break;
        case SND_DEVICE_OUT_VOICE_SPEAKER_2:
        case SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA:
             acdb_id = platform_get_snd_device_acdb_id(SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED);
             break;
        case SND_DEVICE_OUT_SPEAKER_VBAT:
             acdb_id = platform_get_snd_device_acdb_id(SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT);
             break;
        case SND_DEVICE_OUT_VOICE_SPEAKER_VBAT:
             acdb_id = platform_get_snd_device_acdb_id(SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT);
             break;
        case SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT:
             acdb_id = platform_get_snd_device_acdb_id(SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT);
             break;
        default:
             acdb_id = -EINVAL;
             break;
    }
    return acdb_id;
}

int platform_get_spkr_prot_snd_device(snd_device_t snd_device)
{
    if (!audio_extn_spkr_prot_is_enabled())
        return snd_device;

    switch(snd_device) {
        case SND_DEVICE_OUT_SPEAKER:
        case SND_DEVICE_OUT_SPEAKER_WSA:
             return SND_DEVICE_OUT_SPEAKER_PROTECTED;
        case SND_DEVICE_OUT_VOICE_SPEAKER:
        case SND_DEVICE_OUT_VOICE_SPEAKER_WSA:
             return SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED;
        case SND_DEVICE_OUT_VOICE_SPEAKER_2:
        case SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA:
             return SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED;
        case SND_DEVICE_OUT_SPEAKER_VBAT:
             return SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT;
        case SND_DEVICE_OUT_VOICE_SPEAKER_VBAT:
             return SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT;
        case SND_DEVICE_OUT_VOICE_SPEAKER_2_VBAT:
             return SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT;
        default:
             return snd_device;
    }
}

int platform_get_vi_feedback_snd_device(snd_device_t snd_device)
{
    switch(snd_device) {
        case SND_DEVICE_OUT_SPEAKER_PROTECTED:
        case SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT:
             return SND_DEVICE_IN_CAPTURE_VI_FEEDBACK;
        case SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED:
        case SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED_VBAT:
             return SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_1;
        case SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED:
        case SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT:
             return SND_DEVICE_IN_CAPTURE_VI_FEEDBACK_MONO_2;
        default:
             return SND_DEVICE_IN_CAPTURE_VI_FEEDBACK;
    }
}

int platform_get_ec_ref_loopback_snd_device(int channel_count)
{
    snd_device_t snd_device;

    if (channel_count == 1)
        snd_device = SND_DEVICE_IN_EC_REF_LOOPBACK_MONO;
    else if (channel_count == 2)
        snd_device = SND_DEVICE_IN_EC_REF_LOOPBACK_STEREO;
    else
        snd_device = SND_DEVICE_NONE;

    return snd_device;
}

int platform_set_sidetone(struct audio_device *adev,
                          snd_device_t out_snd_device,
                          bool enable,
                          char *str)
{
    int ret;
    if ((out_snd_device == SND_DEVICE_OUT_USB_HEADSET) ||
         (out_snd_device == SND_DEVICE_OUT_USB_HEADPHONES)) {
        if (property_get_bool("vendor.audio.usb.disable.sidetone", 0)) {
            ALOGI("Debug: Disable sidetone");
        } else {
            ret = audio_extn_usb_enable_sidetone(out_snd_device, enable);
            if (ret) {
                /*fall back to AFE sidetone*/
                ALOGV("%s: No USB sidetone supported, switching to AFE sidetone",
                       __func__);

                if (enable)
                    audio_route_apply_and_update_path(adev->audio_route, AFE_SIDETONE_MIXER_PATH);
                else
                    audio_route_reset_and_update_path(adev->audio_route, AFE_SIDETONE_MIXER_PATH);
            }
	}
    } else {
        ALOGV("%s: sidetone out device(%d) mixer cmd = %s\n",
              __func__, out_snd_device, str);

        if (enable) {
            ret = audio_route_apply_and_update_path(adev->audio_route, str);
            if (ret) {
                ALOGV("%s: No device sidetone supported, switching to AFE sidetone",
                       __func__);
                audio_route_apply_and_update_path(adev->audio_route, AFE_SIDETONE_MIXER_PATH);
            }
        } else {
            ret = audio_route_reset_and_update_path(adev->audio_route, str);
            if (ret) {
                ALOGV("%s: No device sidetone supported, switching to AFE sidetone",
                       __func__);
                audio_route_reset_and_update_path(adev->audio_route, AFE_SIDETONE_MIXER_PATH);
            }
        }
    }
    return 0;
}

void platform_update_aanc_path(struct audio_device *adev,
                               snd_device_t out_snd_device,
                               bool enable,
                               char *str)
{
    ALOGD("%s: aanc out device(%d) mixer cmd = %s, enable = %d\n",
          __func__, out_snd_device, str, enable);

    if (enable)
        audio_route_apply_and_update_path(adev->audio_route, str);
    else
        audio_route_reset_and_update_path(adev->audio_route, str);

   return;
}

#ifdef INSTANCE_ID_ENABLED
void platform_make_cal_cfg(acdb_audio_cal_cfg_t* cal, int acdb_dev_id,
        int acdb_device_type, int app_type, int topology_id,
        int sample_rate, uint32_t module_id, uint16_t instance_id,
        uint32_t param_id, bool persist)
{
    int persist_send_flags = 1;

    if (!cal) {
        return;
    }

    if (persist)
        persist_send_flags |= 0x2;

    memset(cal, 0, sizeof(acdb_audio_cal_cfg_t));

    cal->persist = persist;
    cal->app_type = app_type;
    cal->acdb_dev_id = acdb_dev_id;
    cal->sampling_rate = sample_rate;
    cal->topo_id = topology_id;
    //if module and param id is set to 0, the whole blob will be stored
    //or sent to the DSP
    cal->module_id = module_id;
    cal->instance_id = instance_id;
    cal->param_id = param_id;
    cal->cal_type = acdb_device_type;
}
#else
void platform_make_cal_cfg(acdb_audio_cal_cfg_t* cal, int acdb_dev_id,
        int acdb_device_type, int app_type, int topology_id,
        int sample_rate, uint32_t module_id, uint32_t param_id, bool persist)
{
    int persist_send_flags = 1;

    if (!cal) {
        return;
    }

    if (persist)
        persist_send_flags |= 0x2;

    memset(cal, 0, sizeof(acdb_audio_cal_cfg_t));

    cal->persist = persist;
    cal->app_type = app_type;
    cal->acdb_dev_id = acdb_dev_id;
    cal->sampling_rate = sample_rate;
    cal->topo_id = topology_id;
    //if module and param id is set to 0, the whole blob will be stored
    //or sent to the DSP
    cal->module_id = module_id;
    cal->param_id = param_id;
    cal->cal_type = acdb_device_type;
}
#endif

int platform_send_audio_cal(void* platform, acdb_audio_cal_cfg_t* cal,
       void* data, int length, bool persist)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (!my_data) {
        ret = -EINVAL;
        goto ERROR_RETURN;
    }

    if (my_data->acdb_set_audio_cal) {
        // persist audio cal in local cache
        if (persist) {
            ret = my_data->acdb_set_audio_cal((void*)&cal, data, (uint32_t)length);
        }
        // send audio cal to dsp
        if (ret == 0) {
            cal->persist = false;
            ret = my_data->acdb_set_audio_cal((void*)&cal, data, (uint32_t)length);
            if (persist && (ret != 0)) {
                ALOGV("[%s] audio cal stored with success, ignore set cal failure", __func__);
                ret = 0;
            }
        }
    }

ERROR_RETURN:
    return ret;
}

int platform_get_audio_cal(void* platform, acdb_audio_cal_cfg_t* cal,
       void* data, int* length, bool persist)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (!my_data) {
        ret = -EINVAL;
        goto ERROR_RETURN;
    }

    if (my_data->acdb_get_audio_cal) {
        // get cal from dsp
        ret = my_data->acdb_get_audio_cal((void*)&cal, data, (uint32_t*)length);
        // get cached cal if prevoius attempt fails and persist flag is set
        if ((ret != 0) && persist) {
            cal->persist = true;
            ret = my_data->acdb_get_audio_cal((void*)&cal, data, (uint32_t*)length);
        }
    }

ERROR_RETURN:
    return ret;
}

int platform_store_audio_cal(void* platform, acdb_audio_cal_cfg_t* cal,
       void* data, int length)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (!my_data) {
        ret = -EINVAL;
        goto ERROR_RETURN;
    }

    if (my_data->acdb_set_audio_cal) {
        ret = my_data->acdb_set_audio_cal((void*)&cal, data, (uint32_t)length);
    }

ERROR_RETURN:
    return ret;
}

int platform_retrieve_audio_cal(void* platform, acdb_audio_cal_cfg_t* cal,
        void* data, int* length)
{
    int ret = 0;
    struct platform_data *my_data = (struct platform_data *)platform;

    if (!my_data) {
        ret = -EINVAL;
        goto ERROR_RETURN;
    }

    if (my_data->acdb_get_audio_cal) {
        ret = my_data->acdb_get_audio_cal((void*)&cal, data, (uint32_t*)length);
    }

ERROR_RETURN:
    return ret;
}

int platform_get_max_mic_count(void *platform) {
    struct platform_data *my_data = (struct platform_data *)platform;
    return my_data->max_mic_count;
}

#define DEFAULT_NOMINAL_SPEAKER_GAIN 20
int ramp_speaker_gain(struct audio_device *adev, bool ramp_up, int target_ramp_up_gain) {
    // backup_gain: gain to try to set in case of an error during ramp
    int start_gain, end_gain, step, backup_gain, i;
    bool error = false;
    const char *mixer_ctl_name_gain_left = "Left Speaker Gain";
    const char *mixer_ctl_name_gain_right = "Right Speaker Gain";
    struct mixer_ctl *ctl_left = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name_gain_left);
    struct mixer_ctl *ctl_right = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name_gain_right);
    if (!ctl_left || !ctl_right) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s or %s, not applying speaker gain ramp",
                      __func__, mixer_ctl_name_gain_left, mixer_ctl_name_gain_right);
        return -EINVAL;
    } else if ((mixer_ctl_get_num_values(ctl_left) != 1)
            || (mixer_ctl_get_num_values(ctl_right) != 1)) {
        ALOGE("%s: Unexpected num values for mixer cmd - %s or %s, not applying speaker gain ramp",
                              __func__, mixer_ctl_name_gain_left, mixer_ctl_name_gain_right);
        return -EINVAL;
    }
    if (ramp_up) {
        start_gain = 0;
        end_gain = target_ramp_up_gain > 0 ? target_ramp_up_gain : DEFAULT_NOMINAL_SPEAKER_GAIN;
        step = +1;
        backup_gain = end_gain;
    } else {
        // using same gain on left and right
        const int left_gain = mixer_ctl_get_value(ctl_left, 0);
        start_gain = left_gain > 0 ? left_gain : DEFAULT_NOMINAL_SPEAKER_GAIN;
        end_gain = 0;
        step = -1;
        backup_gain = start_gain;
    }
    for (i = start_gain ; i != (end_gain + step) ; i += step) {
        if (mixer_ctl_set_value(ctl_left, 0, i)) {
            ALOGE("%s: error setting %s to %d during gain ramp",
                    __func__, mixer_ctl_name_gain_left, i);
            error = true;
            break;
        }
        if (mixer_ctl_set_value(ctl_right, 0, i)) {
            ALOGE("%s: error setting %s to %d during gain ramp",
                    __func__, mixer_ctl_name_gain_right, i);
            error = true;
            break;
        }
        usleep(1000);
    }
    if (error) {
        // an error occured during the ramp, let's still try to go back to a safe volume
        if (mixer_ctl_set_value(ctl_left, 0, backup_gain)) {
            ALOGE("%s: error restoring left gain to %d", __func__, backup_gain);
        }
        if (mixer_ctl_set_value(ctl_right, 0, backup_gain)) {
            ALOGE("%s: error restoring right gain to %d", __func__, backup_gain);
        }
    }
    return start_gain;
}

int platform_set_swap_mixer(struct audio_device *adev, bool swap_channels)
{
    const char *mixer_ctl_name = "Swap channel";
    struct mixer_ctl *ctl;
    const char *mixer_path;
    struct platform_data *my_data = (struct platform_data *)adev->platform;

    // forced to set to swap, but device not rotated ... ignore set
    if (swap_channels && !my_data->speaker_lr_swap)
        return 0;

    ALOGV("%s:", __func__);

    if (swap_channels)
        mixer_path = platform_get_snd_device_name(SND_DEVICE_OUT_SPEAKER_REVERSE);
    else
        mixer_path = platform_get_snd_device_name(SND_DEVICE_OUT_SPEAKER);

    audio_route_apply_and_update_path(adev->audio_route, mixer_path);

    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
    if (!ctl) {
        ALOGE("%s: Could not get ctl for mixer cmd - %s",__func__, mixer_ctl_name);
        return -EINVAL;
    }

    if (mixer_ctl_set_value(ctl, 0, swap_channels) < 0) {
        ALOGE("%s: Could not set reverse cotrol %d",__func__, swap_channels);
        return -EINVAL;
    }

    ALOGV("platfor_force_swap_channel :: Channel orientation ( %s ) ",
           swap_channels?"R --> L":"L --> R");

    return 0;
}

int platform_check_and_set_swap_lr_channels(struct audio_device *adev, bool swap_channels)
{
    // only update if there is active pcm playback on speaker
    struct platform_data *my_data = (struct platform_data *)adev->platform;

    my_data->speaker_lr_swap = swap_channels;

    return platform_set_swap_channels(adev, swap_channels);
}

int platform_set_swap_channels(struct audio_device *adev, bool swap_channels)
{
    // only update if there is active pcm playback on speaker
    struct audio_usecase *usecase;
    struct listnode *node;

    // do not swap channels in audio modes with concurrent capture and playback
    // as this may break the echo reference
    if ((adev->mode == AUDIO_MODE_IN_COMMUNICATION) || (adev->mode == AUDIO_MODE_IN_CALL)) {
        ALOGV("%s: will not swap due to audio mode %d", __func__, adev->mode);
        return 0;
    }

    list_for_each(node, &adev->usecase_list) {
        usecase = node_to_item(node, struct audio_usecase, list);
        if (usecase->type == PCM_PLAYBACK &&
                usecase->stream.out->devices & AUDIO_DEVICE_OUT_SPEAKER) {
            /*
             * If acdb tuning is different for SPEAKER_REVERSE, it is must
             * to perform device switch to disable the current backend to
             * enable it with new acdb data.
             */
            if (acdb_device_table[SND_DEVICE_OUT_SPEAKER] !=
                acdb_device_table[SND_DEVICE_OUT_SPEAKER_REVERSE]) {
                const int initial_skpr_gain = ramp_speaker_gain(adev, false /*ramp_up*/, -1);
                select_devices(adev, usecase->id);
                if (initial_skpr_gain != -EINVAL)
                    ramp_speaker_gain(adev, true /*ramp_up*/, initial_skpr_gain);

            } else {
                platform_set_swap_mixer(adev, swap_channels);
            }
            break;
        }
    }

    return 0;
}

bool platform_add_gain_level_mapping(struct amp_db_and_gain_table *tbl_entry __unused)
{
    return false;
}

int platform_get_gain_level_mapping(struct amp_db_and_gain_table *mapping_tbl __unused,
                                    int table_size __unused)
{
    return 0;
}

int platform_get_max_codec_backend() {

    return MAX_CODEC_BACKENDS;
}

int platform_get_supported_copp_sampling_rate(uint32_t stream_sr)
{
    int sample_rate;
    switch (stream_sr){
        case 8000:
        case 11025:
        case 16000:
        case 22050:
        case 32000:
        case 48000:
            sample_rate = 48000;
            break;
        case 44100:
            sample_rate = 44100;
            break;
        case 64000:
        case 96000:
            sample_rate = 96000;
            break;
        case 88200:
            sample_rate = 88200;
            break;
        case 176400:
            sample_rate = 176400;
            break;
        case 192000:
            sample_rate = 192000;
            break;
        case 352800:
            sample_rate = 352800;
            break;
        case 384000:
            sample_rate = 384000;
            break;
        case 144000:
        default:
            sample_rate = 48000;
            break;
    }
    return sample_rate;
}

#if defined(PLATFORM_MSMFALCON)
int platform_get_mmap_data_fd(void *platform, int fe_dev, int dir, int *fd,
                              uint32_t *size)
{
    struct platform_data *my_data = (struct platform_data *)platform;
    struct audio_device *adev = my_data->adev;
    int hw_fd = -1;
    char dev_name[128];
    struct snd_pcm_mmap_fd mmap_fd;
    memset(&mmap_fd, 0, sizeof(mmap_fd));
    mmap_fd.dir = dir;
    snprintf(dev_name, sizeof(dev_name), "/dev/snd/hwC%uD%u",
             adev->snd_card, HWDEP_FE_BASE+fe_dev);
    hw_fd = open(dev_name, O_RDONLY);
    if (hw_fd < 0) {
        ALOGE("fe hw dep node open %d/%d failed", adev->snd_card, fe_dev);
        return -1;
    }
    if (ioctl(hw_fd, SNDRV_PCM_IOCTL_MMAP_DATA_FD, &mmap_fd) < 0) {
        ALOGE("fe hw dep node ioctl failed");
        close(hw_fd);
        return -1;
    }
    *fd = mmap_fd.fd;
    *size = mmap_fd.size;
    close(hw_fd); // mmap_fd should still be valid
    return 0;
}
#else
int platform_get_mmap_data_fd(void *platform __unused, int fe_dev __unused,
                              int dir __unused, int *fd __unused,
                              uint32_t *size __unused)
{
    return -1;
}
#endif

static const char *platform_get_mixer_control(struct mixer_ctl *ctl)
{
    int id = -1;
    const char *id_string = NULL;

    if (!ctl) {
        ALOGD("%s: mixer ctl not obtained", __func__);
    } else {
        id = mixer_ctl_get_value(ctl, 0);
        if (id >= 0) {
            id_string = mixer_ctl_get_enum_string(ctl, id);
        }
    }

    return id_string;
}