| /* |
| * Copyright (c) 2019-2021, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #define LOG_TAG "auto_hal_extn" |
| /*#define LOG_NDEBUG 0*/ |
| |
| #include <errno.h> |
| #include <pthread.h> |
| #include <log/log.h> |
| #include <math.h> |
| #include <audio_hw.h> |
| #include <tinyalsa/asoundlib.h> |
| #include "audio_extn.h" |
| #include "platform_api.h" |
| #include "platform.h" |
| #include "audio_hal_plugin.h" |
| #include "auto_hal.h" |
| |
| #ifdef DYNAMIC_LOG_ENABLED |
| #include <log_xml_parser.h> |
| #define LOG_MASK HAL_MOD_FILE_AUTO_HAL |
| #include <log_utils.h> |
| #endif |
| |
| #define MAX_VOLUME 1.995262 |
| #define DSP_MAX_VOLUME 0x2000 |
| #define DUCKED_VOLUME 0.0035 |
| |
| enum { |
| AUDIO_DEVICE_DUCKED = 0, |
| AUDIO_DEVICE_UNDUCKED, |
| AUDIO_DEVICE_MUTED, |
| AUDIO_DEVICE_UNMUTED |
| }; |
| |
| //external feature dependency |
| static fp_audio_extn_ext_hw_plugin_usecase_start_t fp_audio_extn_ext_hw_plugin_usecase_start; |
| static fp_audio_extn_ext_hw_plugin_usecase_stop_t fp_audio_extn_ext_hw_plugin_usecase_stop; |
| static fp_get_usecase_from_list_t fp_get_usecase_from_list; |
| static fp_get_output_period_size_t fp_get_output_period_size; |
| static fp_audio_extn_ext_hw_plugin_set_audio_gain_t fp_audio_extn_ext_hw_plugin_set_audio_gain; |
| static fp_select_devices_t fp_select_devices; |
| static fp_disable_audio_route_t fp_disable_audio_route; |
| static fp_disable_snd_device_t fp_disable_snd_device; |
| static fp_adev_get_active_input_t fp_adev_get_active_input; |
| static fp_platform_set_echo_reference_t fp_platform_set_echo_reference; |
| static fp_platform_get_eccarstate_t fp_platform_get_eccarstate; |
| static fp_generate_patch_handle_t fp_generate_patch_handle; |
| static fp_platform_get_pcm_device_id_t fp_platform_get_pcm_device_id; |
| |
| /* Auto hal module struct */ |
| static struct auto_hal_module *auto_hal = NULL; |
| |
| int auto_hal_release_audio_patch(struct audio_hw_device *dev, |
| audio_patch_handle_t handle); |
| int auto_hal_stop_hfp_downlink(struct audio_device *adev, |
| struct audio_usecase *uc_info); |
| |
| static struct audio_patch_record *get_patch_from_list(struct audio_device *adev, |
| audio_patch_handle_t patch_id) |
| { |
| struct audio_patch_record *patch; |
| struct listnode *node; |
| list_for_each(node, &adev->audio_patch_record_list) { |
| patch = node_to_item(node, struct audio_patch_record, list); |
| if (patch->handle == patch_id) |
| return patch; |
| } |
| return NULL; |
| } |
| |
| int auto_hal_create_audio_patch(struct audio_hw_device *dev, |
| unsigned int num_sources, |
| const struct audio_port_config *sources, |
| unsigned int num_sinks, |
| const struct audio_port_config *sinks, |
| audio_patch_handle_t *handle) |
| { |
| struct audio_device *adev = (struct audio_device *)dev; |
| int ret = 0; |
| struct audio_usecase *uc_info = NULL; |
| struct audio_patch_record *patch_record = NULL; |
| audio_usecase_t usecase = USECASE_INVALID; |
| |
| ALOGV("%s: enter", __func__); |
| |
| if (!dev || !sources || !sinks || !handle ) { |
| ALOGE("%s: null audio patch parameters", __func__); |
| return -EINVAL; |
| } |
| |
| /* Port configuration check & validation */ |
| if (num_sources > MAX_SOURCE_PORTS_PER_PATCH || |
| num_sinks > MAX_SINK_PORTS_PER_PATCH) { |
| ALOGE("%s: invalid audio patch parameters, sources %d sinks %d ", |
| __func__, num_sources, num_sources); |
| return -EINVAL; |
| } |
| |
| /* No validation on num of sources and sinks to allow patch with |
| * multiple sinks being created, but only the first source and |
| * sink are used to create patch. |
| * |
| * Stream set_parameters for AUDIO_PARAMETER_STREAM_ROUTING and |
| * AUDIO_PARAMETER_STREAM_INPUT_SOURCE is replaced with audio_patch |
| * callback in audioflinger for AUDIO_DEVICE_API_VERSION_3_0 and above. |
| * Need to handle device routing notification in audio HAL for |
| * Capture: DEVICE -> MIX |
| * Playback: MIX -> DEVICE |
| * For DEVICE -> DEVICE patch type, it refers to routing from/to external |
| * codec/amplifier and allow Android streams to be mixed at the H/W level. |
| * |
| * Auto extension here is to act on Device to Device patch only as playback |
| * and capture patches as well as the book-keeeping information are already |
| * being handled at audio_hw entry. |
| */ |
| if ((sources->type == AUDIO_PORT_TYPE_DEVICE) && |
| (sinks->type == AUDIO_PORT_TYPE_DEVICE)) { |
| /* allocate use case and call to plugin driver*/ |
| uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase)); |
| if (!uc_info) { |
| ALOGE("%s fail to allocate uc_info", __func__); |
| return -ENOMEM; |
| } |
| /* TODO - add sink type check and printout for non speaker sink */ |
| switch(sources->ext.device.type) { |
| #ifdef FM_TUNER_EXT_ENABLED |
| case AUDIO_DEVICE_IN_FM_TUNER: |
| ALOGV("Creating audio patch for external FM tuner"); |
| uc_info->id = USECASE_AUDIO_FM_TUNER_EXT; |
| uc_info->type = PCM_PASSTHROUGH; |
| list_init(&uc_info->device_list); |
| reassign_device_list(&uc_info->device_list, AUDIO_DEVICE_IN_FM_TUNER, |
| sources->ext.device.address); |
| uc_info->in_snd_device = SND_DEVICE_IN_CAPTURE_FM; |
| uc_info->out_snd_device = SND_DEVICE_OUT_BUS_MEDIA; |
| break; |
| #endif |
| default: |
| ALOGE("%s: Unsupported audio source type %x", __func__, |
| sources->ext.device.type); |
| goto error; |
| } |
| |
| ALOGD("%s: Starting ext hw plugin use case (%d) in_snd_device (%d) out_snd_device (%d)", |
| __func__, uc_info->id, uc_info->in_snd_device, uc_info->out_snd_device); |
| |
| ret = fp_audio_extn_ext_hw_plugin_usecase_start(adev->ext_hw_plugin, uc_info); |
| if (ret) { |
| ALOGE("%s: failed to start ext hw plugin use case (%d)", |
| __func__, uc_info->id); |
| goto error; |
| } |
| /* TODO: apply audio port gain to codec if applicable */ |
| usecase = uc_info->id; |
| pthread_mutex_lock(&adev->lock); |
| list_add_tail(&adev->usecase_list, &uc_info->list); |
| pthread_mutex_unlock(&adev->lock); |
| } else { |
| ALOGV("%s: audio patch not supported", __func__); |
| goto exit; |
| } |
| |
| /* patch created success, add to patch record list */ |
| patch_record = (struct audio_patch_record *)calloc(1, |
| sizeof(struct audio_patch_record)); |
| if (!patch_record) { |
| ALOGE("%s fail to allocate patch_record", __func__); |
| ret = -ENOMEM; |
| if (uc_info) |
| list_remove(&uc_info->list); |
| goto error; |
| } |
| |
| pthread_mutex_lock(&adev->lock); |
| if (*handle == AUDIO_PATCH_HANDLE_NONE) { |
| ALOGD("%s: audio patch handle not allocated 0x%x", __func__, *handle); |
| *handle = fp_generate_patch_handle(); |
| } |
| patch_record->handle = *handle; |
| patch_record->usecase = usecase; |
| patch_record->patch.id = *handle; |
| patch_record->patch.num_sources = num_sources; |
| patch_record->patch.num_sinks = num_sinks; |
| for (int i = 0; i < num_sources; i++) |
| patch_record->patch.sources[i] = sources[i]; |
| for (int i = 0; i < num_sinks; i++) |
| patch_record->patch.sinks[i] = sinks[i]; |
| |
| list_add_tail(&adev->audio_patch_record_list, &patch_record->list); |
| pthread_mutex_unlock(&adev->lock); |
| |
| goto exit; |
| |
| error: |
| if(uc_info) |
| free(uc_info); |
| exit: |
| ALOGV("%s: exit: handle 0x%x", __func__, *handle); |
| return ret; |
| } |
| |
| int auto_hal_release_audio_patch(struct audio_hw_device *dev, |
| audio_patch_handle_t handle) |
| { |
| int ret = 0; |
| struct audio_device *adev = (struct audio_device *)dev; |
| struct audio_usecase *uc_info = NULL; |
| struct audio_patch_record *patch_record = NULL; |
| |
| ALOGV("%s: enter: handle 0x%x", __func__, handle); |
| |
| if (!dev) { |
| ALOGE("%s: null audio patch parameters", __func__); |
| return -EINVAL; |
| } |
| |
| if (handle == AUDIO_PATCH_HANDLE_NONE) { |
| ALOGW("%s: null audio patch handle", __func__); |
| return -EINVAL; |
| } |
| |
| /* get the patch record from handle */ |
| pthread_mutex_lock(&adev->lock); |
| patch_record = get_patch_from_list(adev, handle); |
| if(!patch_record) { |
| ALOGE("%s: failed to find the patch record with handle (%d) in the list", |
| __func__, handle); |
| ret = -EINVAL; |
| } |
| pthread_mutex_unlock(&adev->lock); |
| if(ret) |
| goto exit; |
| |
| if (patch_record->usecase != USECASE_INVALID) { |
| pthread_mutex_lock(&adev->lock); |
| uc_info = fp_get_usecase_from_list(adev, patch_record->usecase); |
| if (!uc_info) { |
| ALOGE("%s: failed to find the usecase (%d)", |
| __func__, patch_record->usecase); |
| ret = -EINVAL; |
| } else { |
| /* call to plugin to stop the usecase */ |
| ret = fp_audio_extn_ext_hw_plugin_usecase_stop(adev->ext_hw_plugin, uc_info); |
| if (ret) { |
| ALOGE("%s: failed to stop ext hw plugin use case (%d)", |
| __func__, uc_info->id); |
| } |
| |
| /* remove usecase from list and free it */ |
| list_remove(&uc_info->list); |
| free(uc_info); |
| } |
| pthread_mutex_unlock(&adev->lock); |
| } |
| |
| /* remove the patch record from list and free it */ |
| pthread_mutex_lock(&adev->lock); |
| list_remove(&patch_record->list); |
| pthread_mutex_unlock(&adev->lock); |
| free(patch_record); |
| |
| exit: |
| ALOGV("%s: exit", __func__); |
| return ret; |
| } |
| |
| int auto_hal_get_car_audio_stream_from_address(const char *address) |
| { |
| int bus_num = -1; |
| char *str = NULL; |
| char *last_r = NULL; |
| char local_address[AUDIO_DEVICE_MAX_ADDRESS_LEN]; |
| |
| /* bus device with null address error out */ |
| if (address == NULL) { |
| ALOGE("%s: null address for car stream", __func__); |
| return -1; |
| } |
| |
| /* strtok will modify the original string. make a copy first */ |
| strlcpy(local_address, address, AUDIO_DEVICE_MAX_ADDRESS_LEN); |
| |
| /* extract bus number from address */ |
| str = strtok_r(local_address, "BUS_",&last_r); |
| if (str != NULL) |
| bus_num = (int)strtol(str, (char **)NULL, 10); |
| |
| /* validate bus number */ |
| if ((bus_num < 0) || (bus_num >= MAX_CAR_AUDIO_STREAMS)) { |
| ALOGE("%s: invalid bus number %d", __func__, bus_num); |
| return -1; |
| } |
| |
| return (0x1 << bus_num); |
| } |
| |
| int auto_hal_open_input_stream(struct stream_in *in) |
| { |
| int ret = 0; |
| |
| switch(in->car_audio_stream) { |
| case CAR_AUDIO_STREAM_IN_PRIMARY: |
| in->usecase = USECASE_AUDIO_RECORD_BUS; |
| if (in->flags == AUDIO_INPUT_FLAG_NONE) |
| in->flags |= AUDIO_INPUT_FLAG_PRIMARY; |
| break; |
| case CAR_AUDIO_STREAM_IN_FRONT_PASSENGER: |
| in->usecase = USECASE_AUDIO_RECORD_BUS_FRONT_PASSENGER; |
| if (in->flags == AUDIO_INPUT_FLAG_NONE) |
| in->flags |= AUDIO_INPUT_FLAG_FRONT_PASSENGER; |
| break; |
| case CAR_AUDIO_STREAM_IN_REAR_SEAT: |
| in->usecase = USECASE_AUDIO_RECORD_BUS_REAR_SEAT; |
| if (in->flags == AUDIO_INPUT_FLAG_NONE) |
| in->flags |= AUDIO_INPUT_FLAG_REAR_SEAT; |
| break; |
| default: |
| ALOGE("%s: Car audio stream 0x%x not supported", __func__, |
| in->car_audio_stream); |
| ret = -EINVAL; |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * Function: auto_hal_open_echo_reference_stream |
| * --------------------------------------------- |
| * opens an input stream to capture an echo reference |
| * and sets for external echo reference |
| * |
| * param *in: stream to be used for echo reference |
| * |
| * returns: 0 |
| */ |
| int auto_hal_open_echo_reference_stream(struct stream_in *in) |
| { |
| /* note: this function may be expanded in the future |
| to accommodate other echo reference sources |
| such as an internal AFE loopback. */ |
| in->usecase = USECASE_AUDIO_RECORD_ECHO_REF_EXT; |
| return 0; |
| } |
| |
| int auto_hal_open_output_stream(struct stream_out *out) |
| { |
| int ret = 0; |
| unsigned int channels = audio_channel_count_from_out_mask(out->channel_mask); |
| |
| switch(out->car_audio_stream) { |
| case CAR_AUDIO_STREAM_MEDIA: |
| /* media bus stream shares pcm device with deep-buffer */ |
| out->usecase = USECASE_AUDIO_PLAYBACK_MEDIA; |
| out->config = pcm_config_media; |
| out->config.period_size = fp_get_output_period_size(out->sample_rate, out->format, |
| channels, DEEP_BUFFER_OUTPUT_PERIOD_DURATION); |
| if (out->config.period_size <= 0) { |
| ALOGE("Invalid configuration period size is not valid"); |
| ret = -EINVAL; |
| goto error; |
| } |
| if (out->flags == AUDIO_OUTPUT_FLAG_NONE || |
| out->flags == AUDIO_OUTPUT_FLAG_PRIMARY) |
| out->flags |= AUDIO_OUTPUT_FLAG_MEDIA; |
| out->volume_l = out->volume_r = MAX_VOLUME_GAIN; |
| break; |
| case CAR_AUDIO_STREAM_SYS_NOTIFICATION: |
| /* sys notification bus stream shares pcm device with low-latency */ |
| out->usecase = USECASE_AUDIO_PLAYBACK_SYS_NOTIFICATION; |
| switch(out->sample_rate) |
| { |
| case 48000: |
| out->config=pcm_config_system_48KHz; |
| break; |
| case 32000: |
| out->config=pcm_config_system_32KHz; |
| break; |
| case 24000: |
| out->config=pcm_config_system_24KHz; |
| break; |
| case 16000: |
| out->config=pcm_config_system_16KHz; |
| break; |
| case 8000: |
| out->config=pcm_config_system_8KHz; |
| break; |
| default: |
| out->config=pcm_config_system_48KHz; |
| } |
| if (out->flags == AUDIO_OUTPUT_FLAG_NONE) |
| out->flags |= AUDIO_OUTPUT_FLAG_SYS_NOTIFICATION; |
| out->volume_l = out->volume_r = MAX_VOLUME_GAIN; |
| break; |
| case CAR_AUDIO_STREAM_NAV_GUIDANCE: |
| out->usecase = USECASE_AUDIO_PLAYBACK_NAV_GUIDANCE; |
| out->config = pcm_config_media; |
| out->config.period_size = fp_get_output_period_size(out->sample_rate, out->format, |
| channels, DEEP_BUFFER_OUTPUT_PERIOD_DURATION); |
| if (out->config.period_size <= 0) { |
| ALOGE("Invalid configuration period size is not valid"); |
| ret = -EINVAL; |
| goto error; |
| } |
| if (out->flags == AUDIO_OUTPUT_FLAG_NONE) |
| out->flags |= AUDIO_OUTPUT_FLAG_NAV_GUIDANCE; |
| out->volume_l = out->volume_r = MAX_VOLUME_GAIN; |
| break; |
| case CAR_AUDIO_STREAM_PHONE: |
| out->usecase = USECASE_AUDIO_PLAYBACK_PHONE; |
| switch(out->sample_rate) |
| { |
| case 48000: |
| out->config=pcm_config_system_48KHz; |
| break; |
| case 32000: |
| out->config=pcm_config_system_32KHz; |
| break; |
| case 24000: |
| out->config=pcm_config_system_24KHz; |
| break; |
| case 16000: |
| out->config=pcm_config_system_16KHz; |
| break; |
| case 8000: |
| out->config=pcm_config_system_8KHz; |
| break; |
| default: |
| out->config=pcm_config_system_48KHz; |
| } |
| if (out->flags == AUDIO_OUTPUT_FLAG_NONE) |
| out->flags |= AUDIO_OUTPUT_FLAG_PHONE; |
| out->volume_l = out->volume_r = MAX_VOLUME_GAIN; |
| break; |
| case CAR_AUDIO_STREAM_ALERTS: |
| out->usecase = USECASE_AUDIO_PLAYBACK_ALERTS; |
| out->config = pcm_config_system; |
| if (out->flags == AUDIO_OUTPUT_FLAG_NONE) |
| out->flags |= AUDIO_OUTPUT_FLAG_ALERTS; |
| out->volume_l = out->volume_r = MAX_VOLUME_GAIN; |
| break; |
| case CAR_AUDIO_STREAM_FRONT_PASSENGER: |
| out->usecase = USECASE_AUDIO_PLAYBACK_FRONT_PASSENGER; |
| out->config = pcm_config_system; |
| if (out->flags == AUDIO_OUTPUT_FLAG_NONE) |
| out->flags |= AUDIO_OUTPUT_FLAG_FRONT_PASSENGER; |
| break; |
| case CAR_AUDIO_STREAM_REAR_SEAT: |
| out->usecase = USECASE_AUDIO_PLAYBACK_REAR_SEAT; |
| out->config = pcm_config_media; |
| out->config.period_size = fp_get_output_period_size(out->sample_rate, out->format, |
| channels, DEEP_BUFFER_OUTPUT_PERIOD_DURATION); |
| if (out->config.period_size <= 0) { |
| ALOGE("Invalid configuration period size is not valid"); |
| ret = -EINVAL; |
| goto error; |
| } |
| if (out->flags == AUDIO_OUTPUT_FLAG_NONE) |
| out->flags |= AUDIO_OUTPUT_FLAG_REAR_SEAT; |
| out->volume_l = out->volume_r = MAX_VOLUME_GAIN; |
| break; |
| default: |
| ALOGE("%s: Car audio stream %x not supported", __func__, |
| out->car_audio_stream); |
| ret = -EINVAL; |
| goto error; |
| } |
| |
| error: |
| return ret; |
| } |
| |
| bool auto_hal_is_bus_device_usecase(audio_usecase_t uc_id) |
| { |
| unsigned int i; |
| for (i = 0; i < sizeof(bus_device_usecases)/sizeof(bus_device_usecases[0]); i++) { |
| if (uc_id == bus_device_usecases[i]) |
| return true; |
| } |
| return false; |
| } |
| |
| snd_device_t auto_hal_get_snd_device_for_car_audio_stream(int car_audio_stream) |
| { |
| snd_device_t snd_device = SND_DEVICE_NONE; |
| |
| switch(car_audio_stream) { |
| case CAR_AUDIO_STREAM_MEDIA: |
| snd_device = SND_DEVICE_OUT_BUS_MEDIA; |
| break; |
| case CAR_AUDIO_STREAM_SYS_NOTIFICATION: |
| snd_device = SND_DEVICE_OUT_BUS_SYS; |
| break; |
| case CAR_AUDIO_STREAM_NAV_GUIDANCE: |
| snd_device = SND_DEVICE_OUT_BUS_NAV; |
| break; |
| case CAR_AUDIO_STREAM_PHONE: |
| snd_device = SND_DEVICE_OUT_BUS_PHN; |
| break; |
| case CAR_AUDIO_STREAM_ALERTS: |
| snd_device = SND_DEVICE_OUT_BUS_ALR; |
| break; |
| case CAR_AUDIO_STREAM_FRONT_PASSENGER: |
| snd_device = SND_DEVICE_OUT_BUS_PAX; |
| break; |
| case CAR_AUDIO_STREAM_REAR_SEAT: |
| snd_device = SND_DEVICE_OUT_BUS_RSE; |
| break; |
| case CAR_AUDIO_STREAM_IN_PRIMARY: |
| snd_device = SND_DEVICE_IN_BUS; |
| break; |
| case CAR_AUDIO_STREAM_IN_FRONT_PASSENGER: |
| snd_device = SND_DEVICE_IN_BUS_PAX; |
| break; |
| case CAR_AUDIO_STREAM_IN_REAR_SEAT: |
| snd_device = SND_DEVICE_IN_BUS_RSE; |
| break; |
| default: |
| ALOGE("%s: Unknown car audio stream (%#x)", |
| __func__, car_audio_stream); |
| } |
| return snd_device; |
| } |
| |
| bool auto_hal_overwrite_priority_for_auto(struct stream_in *in) |
| { |
| /* Don't use the priority_in stream when the source is |
| * AUDIO_SOURCE_ECHO_REFERENCE because the platform_get_input_snd_device |
| * call (below) needs to set the snd_device based the echo ref stream and |
| * NOT based on higher priority streams (such as concurrent recording |
| * streams from the mic) */ |
| |
| return (in->source == AUDIO_SOURCE_ECHO_REFERENCE); |
| } |
| |
| int auto_hal_get_audio_port(struct audio_hw_device *dev __unused, |
| struct audio_port *config __unused) |
| { |
| return -ENOSYS; |
| } |
| |
| int auto_hal_set_audio_port_config(struct audio_hw_device *dev, |
| const struct audio_port_config *config) |
| { |
| struct audio_device *adev = (struct audio_device *)dev; |
| int ret = 0; |
| struct listnode *node = NULL; |
| float volume = 0.0; |
| |
| ALOGV("%s: enter", __func__); |
| |
| if (!config) { |
| ALOGE("%s: invalid input parameters", __func__); |
| return -EINVAL; |
| } |
| |
| /* For Android automotive, audio port config from car framework |
| * allows volume gain to be set to device at audio HAL level, where |
| * the gain can be applied in DSP mixer or CODEC amplifier. |
| * |
| * Following routing should be considered: |
| * MIX -> DEVICE |
| * DEVICE -> MIX |
| * DEVICE -> DEVICE |
| * |
| * For BUS devices routed to/from mixer, gain will be applied to DSP |
| * mixer via kernel control which audio HAL stream is associated with. |
| * |
| * For external (source) device (FM TUNER/AUX), routing is typically |
| * done with AudioPatch to (sink) device (SPKR), thus gain should be |
| * applied to CODEC amplifier via codec plugin extention as audio HAL |
| * stream may not be available for external audio routing. |
| */ |
| if (config->type == AUDIO_PORT_TYPE_DEVICE) { |
| ALOGI("%s: device port: type %x, address %s, gain %d mB", __func__, |
| config->ext.device.type, |
| config->ext.device.address, |
| config->gain.values[0]); |
| if (config->role == AUDIO_PORT_ROLE_SINK) { |
| /* handle output devices */ |
| pthread_mutex_lock(&adev->lock); |
| list_for_each(node, &adev->active_outputs_list) { |
| streams_output_ctxt_t *out_ctxt = node_to_item(node, |
| streams_output_ctxt_t, |
| list); |
| /* limit audio gain support for bus device only */ |
| if (config->ext.device.type == AUDIO_DEVICE_OUT_BUS && |
| compare_device_type_and_address(&out_ctxt->output->device_list, |
| config->ext.device.type, |
| config->ext.device.address)) { |
| /* millibel = 1/100 dB = 1/1000 bel |
| * q13 = (10^(mdb/100/20))*(2^13) |
| */ |
| if(config->gain.values[0] <= (MIN_VOLUME_VALUE_MB + STEP_VALUE_MB)) |
| volume = MIN_VOLUME_GAIN; |
| else |
| volume = powf(10.0f, ((float)config->gain.values[0] / 2000)); |
| ALOGV("%s: set volume to stream: %p", __func__, |
| &out_ctxt->output->stream); |
| /* set gain if output stream is active */ |
| out_ctxt->output->stream.set_volume( |
| &out_ctxt->output->stream, |
| volume, volume); |
| } |
| } |
| /* NOTE: Ideally audio patch list is a superset of output stream list above. |
| * However, audio HAL does not maintain patches for mix -> device or |
| * device -> mix currently. Thus doing separate lookups for device -> |
| * device in audio patch list. |
| * FIXME: Cannot cache the gain if audio patch is not created. Expected gain |
| * to be part of port config upon audio patch creation. If not, need |
| * to create a list of audio port configs in adev context. |
| */ |
| list_for_each(node, &adev->audio_patch_record_list) { |
| struct audio_patch_record *patch_record = node_to_item(node, |
| struct audio_patch_record, |
| list); |
| /* limit audio gain support for device -> bus device patch */ |
| if (patch_record->patch.sources[0].type == AUDIO_PORT_TYPE_DEVICE && |
| patch_record->patch.sinks[0].type == AUDIO_PORT_TYPE_DEVICE && |
| patch_record->patch.sinks[0].role == AUDIO_PORT_ROLE_SINK && |
| patch_record->patch.sinks[0].ext.device.type == AUDIO_DEVICE_OUT_BUS && |
| patch_record->patch.sinks[0].ext.device.type == config->ext.device.type && |
| strcmp(patch_record->patch.sinks[0].ext.device.address, |
| config->ext.device.address) == 0) { |
| /* cache audio port configuration for sink */ |
| memcpy((void *)&patch_record->patch.sinks[0], (void *)config, |
| sizeof(struct audio_port_config)); |
| |
| struct audio_usecase *uc_info = fp_get_usecase_from_list(adev, |
| patch_record->usecase); |
| if (!uc_info) { |
| ALOGE("%s: failed to find the usecase %d", |
| __func__, patch_record->usecase); |
| ret = -EINVAL; |
| } else { |
| volume = config->gain.values[0]; |
| /* linear interpolation from millibel to level */ |
| int vol_level = lrint(((volume + (0 - MIN_VOLUME_VALUE_MB)) / |
| (MAX_VOLUME_VALUE_MB - MIN_VOLUME_VALUE_MB)) * 40); |
| ALOGV("%s: set volume to patch %x", __func__, |
| patch_record->handle); |
| ret = fp_audio_extn_ext_hw_plugin_set_audio_gain(adev, |
| uc_info, vol_level); |
| } |
| } |
| } |
| pthread_mutex_unlock(&adev->lock); |
| } else if (config->role == AUDIO_PORT_ROLE_SOURCE) { |
| // FIXME: handle input devices. |
| } |
| } |
| |
| /* Only handle device port currently. */ |
| |
| ALOGV("%s: exit", __func__); |
| return ret; |
| } |
| |
| |
| static int auto_hal_out_set_pcm_volume(struct stream_out *out, float volume) |
| { |
| /* Volume control for pcm playback */ |
| char mixer_ctl_name[128]; |
| struct audio_device *adev = out->dev; |
| struct mixer_ctl *ctl; |
| int pcm_device_id = fp_platform_get_pcm_device_id(out->usecase, PCM_PLAYBACK); |
| snprintf(mixer_ctl_name, sizeof(mixer_ctl_name), "Playback %d Volume", pcm_device_id); |
| 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; |
| } |
| |
| int dsp_vol = (int) (volume * DSP_MAX_VOLUME); |
| int ret = mixer_ctl_set_value(ctl, 0, dsp_vol); |
| if (ret < 0) { |
| ALOGE("%s: Could not set ctl, error:%d ", __func__, ret); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static void auto_hal_set_mute_duck_state(struct audio_device *adev, |
| char* duck_mute_value, |
| int duck_mute_state) |
| { |
| struct listnode *node = NULL; |
| char *ptr = NULL; |
| char *saveptr = NULL; |
| struct stream_out *out = NULL; |
| int car_audio_stream = -1; |
| |
| for (ptr = strtok_r(duck_mute_value, ",", &saveptr); |
| ptr != NULL; ptr = strtok_r(NULL, ",", &saveptr)) { |
| list_for_each(node, &adev->active_outputs_list) { |
| streams_output_ctxt_t *out_ctxt = node_to_item(node, |
| streams_output_ctxt_t, |
| list); |
| out = out_ctxt->output; |
| car_audio_stream = auto_hal_get_car_audio_stream_from_address(ptr); |
| if (car_audio_stream == out->car_audio_stream) { |
| switch(duck_mute_state) { |
| case AUDIO_DEVICE_DUCKED: |
| ALOGD("%s: Ducking BUS device %s", __func__, ptr); |
| auto_hal_out_set_pcm_volume(out, DUCKED_VOLUME); |
| break; |
| |
| case AUDIO_DEVICE_UNDUCKED: |
| ALOGD("%s: Unducking BUS device %s", __func__, ptr); |
| auto_hal_out_set_pcm_volume(out, out->volume_l); |
| break; |
| |
| case AUDIO_DEVICE_MUTED: |
| ALOGD("%s: Muting BUS device %s", __func__, ptr); |
| out->muted = true; |
| break; |
| |
| case AUDIO_DEVICE_UNMUTED: |
| ALOGD("%s: Unmuting BUS device %s", __func__, ptr); |
| out->muted = false; |
| break; |
| } |
| } |
| } |
| } |
| |
| } |
| |
| void auto_hal_set_parameters(struct audio_device *adev, |
| struct str_parms *parms) |
| { |
| int ret = 0; |
| char value[32]={0}; |
| char duck_mute_value[128] = {0}; |
| char *ptr = NULL; |
| |
| ALOGV("%s: enter", __func__); |
| |
| ret = str_parms_get_str(parms, "SND_CARD_STATUS", value, sizeof(value)); |
| if (ret >= 0) { |
| char *snd_card_status = value+2; |
| ALOGV("%s: snd card status %s", __func__, snd_card_status); |
| if (strstr(snd_card_status, "OFFLINE")) { |
| auto_hal->card_status = CARD_STATUS_OFFLINE; |
| } |
| else if (strstr(snd_card_status, "ONLINE")) { |
| auto_hal->card_status = CARD_STATUS_ONLINE; |
| } |
| } |
| |
| ret = str_parms_get_str(parms, "DevicesToDuck", duck_mute_value, sizeof(duck_mute_value)); |
| if (ret >= 0) |
| auto_hal_set_mute_duck_state(adev, duck_mute_value, AUDIO_DEVICE_DUCKED); |
| |
| ret = str_parms_get_str(parms, "DevicesToUnduck", duck_mute_value, sizeof(duck_mute_value)); |
| if (ret >= 0) |
| auto_hal_set_mute_duck_state(adev, duck_mute_value, AUDIO_DEVICE_UNDUCKED); |
| |
| ret = str_parms_get_str(parms, "DevicesToMute", duck_mute_value, sizeof(duck_mute_value)); |
| if (ret >= 0) |
| auto_hal_set_mute_duck_state(adev, duck_mute_value, AUDIO_DEVICE_MUTED); |
| |
| ret = str_parms_get_str(parms, "DevicesToUnmute", duck_mute_value, sizeof(duck_mute_value)); |
| if (ret >= 0) |
| auto_hal_set_mute_duck_state(adev, duck_mute_value, AUDIO_DEVICE_UNMUTED); |
| |
| ALOGV("%s: exit", __func__); |
| } |
| |
| int auto_hal_start_hfp_downlink(struct audio_device *adev, |
| struct audio_usecase *uc_info) |
| { |
| int32_t ret = 0; |
| struct audio_usecase *uc_downlink_info; |
| |
| ALOGD("%s: enter", __func__); |
| |
| uc_downlink_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase)); |
| |
| if (!uc_downlink_info) |
| return -ENOMEM; |
| |
| uc_downlink_info->type = PCM_HFP_CALL; |
| uc_downlink_info->stream.out = adev->primary_output; |
| list_init(&uc_downlink_info->device_list); |
| assign_devices(&uc_downlink_info->device_list, &adev->primary_output->device_list); |
| uc_downlink_info->in_snd_device = SND_DEVICE_NONE; |
| uc_downlink_info->out_snd_device = SND_DEVICE_NONE; |
| |
| switch (uc_info->id) { |
| case USECASE_AUDIO_HFP_SCO: |
| uc_downlink_info->id = USECASE_AUDIO_HFP_SCO_DOWNLINK; |
| break; |
| case USECASE_AUDIO_HFP_SCO_WB: |
| uc_downlink_info->id = USECASE_AUDIO_HFP_SCO_WB_DOWNLINK; |
| break; |
| default: |
| ALOGE("%s: Invalid usecase %d", __func__, uc_info->id); |
| free(uc_downlink_info); |
| return -EINVAL; |
| } |
| |
| list_add_tail(&adev->usecase_list, &uc_downlink_info->list); |
| |
| ret = fp_select_devices(adev, uc_downlink_info->id); |
| if (ret) { |
| ALOGE("%s: Select devices failed %d", __func__, ret); |
| goto exit; |
| } |
| |
| ALOGD("%s: exit: status(%d)", __func__, ret); |
| return 0; |
| |
| exit: |
| auto_hal_stop_hfp_downlink(adev, uc_info); |
| ALOGE("%s: Problem in start hfp downlink: status(%d)", __func__, ret); |
| return ret; |
| } |
| |
| int auto_hal_stop_hfp_downlink(struct audio_device *adev, |
| struct audio_usecase *uc_info) |
| { |
| int32_t ret = 0; |
| struct audio_usecase *uc_downlink_info; |
| audio_usecase_t ucid; |
| |
| ALOGD("%s: enter", __func__); |
| |
| switch (uc_info->id) { |
| case USECASE_AUDIO_HFP_SCO: |
| ucid = USECASE_AUDIO_HFP_SCO_DOWNLINK; |
| break; |
| case USECASE_AUDIO_HFP_SCO_WB: |
| ucid = USECASE_AUDIO_HFP_SCO_WB_DOWNLINK; |
| break; |
| default: |
| ALOGE("%s: Invalid usecase %d", __func__, uc_info->id); |
| return -EINVAL; |
| } |
| |
| uc_downlink_info = fp_get_usecase_from_list(adev, ucid); |
| if (uc_downlink_info == NULL) { |
| ALOGE("%s: Could not find the usecase (%d) in the list", |
| __func__, ucid); |
| return -EINVAL; |
| } |
| |
| /* Get and set stream specific mixer controls */ |
| fp_disable_audio_route(adev, uc_downlink_info); |
| |
| /* Disable the rx and tx devices */ |
| fp_disable_snd_device(adev, uc_downlink_info->out_snd_device); |
| fp_disable_snd_device(adev, uc_downlink_info->in_snd_device); |
| |
| list_remove(&uc_downlink_info->list); |
| free(uc_downlink_info); |
| |
| ALOGD("%s: exit: status(%d)", __func__, ret); |
| return ret; |
| } |
| |
| snd_device_t auto_hal_get_input_snd_device(struct audio_device *adev, |
| audio_usecase_t uc_id) |
| { |
| snd_device_t snd_device = SND_DEVICE_NONE; |
| struct listnode out_devices; |
| struct audio_usecase *usecase = NULL; |
| struct stream_in *in = fp_adev_get_active_input(adev); |
| struct listnode in_devices; |
| struct listnode *node; |
| struct audio_device_info *item = NULL; |
| |
| list_init(&in_devices); |
| if (in != NULL) |
| assign_devices(&in_devices, &in->device_list); |
| |
| if (uc_id == USECASE_INVALID) { |
| ALOGE("%s: Invalid usecase (%d)", __func__, uc_id); |
| return -EINVAL; |
| } |
| |
| usecase = fp_get_usecase_from_list(adev, uc_id); |
| if (usecase == NULL) { |
| ALOGE("%s: Could not find the usecase (%d)", __func__, uc_id); |
| return -EINVAL; |
| } |
| |
| if (usecase->stream.out == NULL) { |
| ALOGE("%s: stream.out is NULL", __func__); |
| return -EINVAL; |
| } |
| |
| list_init(&out_devices); |
| assign_devices(&out_devices, &usecase->stream.out->device_list); |
| if (list_empty(&out_devices) || |
| compare_device_type(&out_devices, AUDIO_DEVICE_BIT_IN)) { |
| ALOGE("%s: Invalid output devices (%#x)", __func__, get_device_types(&out_devices)); |
| return -EINVAL; |
| } |
| |
| ALOGV("%s: output device(%#x), input device(%#x), usecase(%d)", |
| __func__, get_device_types(&out_devices), get_device_types(&in_devices), uc_id); |
| |
| if (compare_device_type(&out_devices, AUDIO_DEVICE_OUT_BUS)) { |
| /* usecase->id is token as judgement for HFP calls */ |
| switch (usecase->id) { |
| case USECASE_AUDIO_HFP_SCO: |
| case USECASE_AUDIO_HFP_SCO_WB: |
| if (fp_platform_get_eccarstate((void *) adev->platform)) { |
| snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP_MMSECNS; |
| } else { |
| snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP; |
| } |
| if (adev->enable_hfp) |
| fp_platform_set_echo_reference(adev, true, &out_devices); |
| break; |
| case USECASE_AUDIO_HFP_SCO_DOWNLINK: |
| snd_device = SND_DEVICE_IN_BT_SCO_MIC; |
| break; |
| case USECASE_AUDIO_HFP_SCO_WB_DOWNLINK: |
| snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB; |
| break; |
| case USECASE_VOICE_CALL: |
| snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC; |
| break; |
| case USECASE_ICC_CALL: |
| snd_device = SND_DEVICE_IN_ICC; |
| break; |
| case USECASE_AUDIO_PLAYBACK_SYNTHESIZER: |
| snd_device = SND_DEVICE_IN_SYNTH_MIC; |
| break; |
| default: |
| ALOGE("%s: Usecase (%d) not supported", __func__, uc_id); |
| return -EINVAL; |
| } |
| } else { |
| ALOGE("%s: Output devices (%#x) not supported", __func__, get_device_types(&out_devices)); |
| return -EINVAL; |
| } |
| |
| return snd_device; |
| } |
| |
| snd_device_t auto_hal_get_output_snd_device(struct audio_device *adev, |
| audio_usecase_t uc_id) |
| { |
| snd_device_t snd_device = SND_DEVICE_NONE; |
| struct listnode devices; |
| struct audio_usecase *usecase = NULL; |
| |
| if (uc_id == USECASE_INVALID) { |
| ALOGE("%s: Invalid usecase (%d)", __func__, uc_id); |
| return -EINVAL; |
| } |
| |
| usecase = fp_get_usecase_from_list(adev, uc_id); |
| if (usecase == NULL) { |
| ALOGE("%s: Could not find the usecase (%d)", __func__, uc_id); |
| return -EINVAL; |
| } |
| |
| if (usecase->stream.out == NULL) { |
| ALOGE("%s: stream.out is NULL", __func__); |
| return -EINVAL; |
| } |
| |
| list_init(&devices); |
| assign_devices(&devices, &usecase->stream.out->device_list); |
| if (list_empty(&devices) || |
| compare_device_type(&devices, AUDIO_DEVICE_BIT_IN)) { |
| ALOGE("%s: Invalid output devices (%#x)", __func__, get_device_types(&devices)); |
| return -EINVAL; |
| } |
| |
| ALOGV("%s: output devices(%#x), usecase(%d)", __func__, |
| get_device_types(&devices), uc_id); |
| |
| if (compare_device_type(&devices, AUDIO_DEVICE_OUT_BUS)) { |
| /* usecase->id is token as judgement for HFP calls */ |
| switch (usecase->id) { |
| case USECASE_AUDIO_HFP_SCO: |
| snd_device = SND_DEVICE_OUT_BT_SCO; |
| break; |
| case USECASE_AUDIO_HFP_SCO_WB: |
| snd_device = SND_DEVICE_OUT_BT_SCO_WB; |
| break; |
| case USECASE_AUDIO_HFP_SCO_DOWNLINK: |
| case USECASE_AUDIO_HFP_SCO_WB_DOWNLINK: |
| snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_HFP; |
| break; |
| case USECASE_VOICE_CALL: |
| snd_device = SND_DEVICE_OUT_VOICE_SPEAKER; |
| break; |
| case USECASE_AUDIO_PLAYBACK_MEDIA: |
| snd_device = SND_DEVICE_OUT_BUS_MEDIA; |
| break; |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD: |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD2: |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD3: |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD4: |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD5: |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD6: |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD7: |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD8: |
| case USECASE_AUDIO_PLAYBACK_OFFLOAD9: |
| case USECASE_AUDIO_PLAYBACK_ULL: |
| case USECASE_AUDIO_PLAYBACK_MMAP: |
| case USECASE_AUDIO_PLAYBACK_VOIP: |
| snd_device = SND_DEVICE_OUT_BUS_MEDIA; |
| /* Override the snd_device based on the bus address if available */ |
| if (usecase->stream.out->car_audio_stream) { |
| switch (usecase->stream.out->car_audio_stream) { |
| case CAR_AUDIO_STREAM_MEDIA: |
| snd_device = SND_DEVICE_OUT_BUS_MEDIA; |
| break; |
| case CAR_AUDIO_STREAM_SYS_NOTIFICATION: |
| snd_device = SND_DEVICE_OUT_BUS_SYS; |
| break; |
| case CAR_AUDIO_STREAM_NAV_GUIDANCE: |
| snd_device = SND_DEVICE_OUT_BUS_NAV; |
| break; |
| case CAR_AUDIO_STREAM_PHONE: |
| snd_device = SND_DEVICE_OUT_BUS_PHN; |
| break; |
| case CAR_AUDIO_STREAM_ALERTS: |
| snd_device = SND_DEVICE_OUT_BUS_ALR; |
| break; |
| case CAR_AUDIO_STREAM_FRONT_PASSENGER: |
| snd_device = SND_DEVICE_OUT_BUS_PAX; |
| break; |
| case CAR_AUDIO_STREAM_REAR_SEAT: |
| snd_device = SND_DEVICE_OUT_BUS_RSE; |
| break; |
| default: |
| ALOGE("%s: Car audio stream %x not supported", __func__, |
| usecase->stream.out->car_audio_stream); |
| return -EINVAL; |
| } |
| } |
| break; |
| case USECASE_AUDIO_PLAYBACK_SYS_NOTIFICATION: |
| snd_device = SND_DEVICE_OUT_BUS_SYS; |
| break; |
| case USECASE_AUDIO_PLAYBACK_NAV_GUIDANCE: |
| snd_device = SND_DEVICE_OUT_BUS_NAV; |
| break; |
| case USECASE_AUDIO_PLAYBACK_PHONE: |
| snd_device = SND_DEVICE_OUT_BUS_PHN; |
| break; |
| case USECASE_AUDIO_PLAYBACK_ALERTS: |
| snd_device = SND_DEVICE_OUT_BUS_ALR; |
| break; |
| case USECASE_AUDIO_PLAYBACK_FRONT_PASSENGER: |
| snd_device = SND_DEVICE_OUT_BUS_PAX; |
| break; |
| case USECASE_AUDIO_PLAYBACK_REAR_SEAT: |
| snd_device = SND_DEVICE_OUT_BUS_RSE; |
| break; |
| case USECASE_ICC_CALL: |
| snd_device = SND_DEVICE_OUT_ICC; |
| break; |
| case USECASE_AUDIO_PLAYBACK_SYNTHESIZER: |
| snd_device = SND_DEVICE_OUT_SYNTH_SPKR; |
| break; |
| default: |
| ALOGE("%s: Usecase (%d) not supported", __func__, uc_id); |
| return -EINVAL; |
| } |
| } else { |
| ALOGE("%s: Output devices (%#x) not supported", __func__, get_device_types(&devices)); |
| return -EINVAL; |
| } |
| |
| return snd_device; |
| } |
| |
| int auto_hal_init(struct audio_device *adev, auto_hal_init_config_t init_config) |
| { |
| int ret = 0; |
| |
| if (auto_hal != NULL) { |
| ALOGD("%s: Auto hal module already exists", |
| __func__); |
| return ret; |
| } |
| |
| auto_hal = calloc(1, sizeof(struct auto_hal_module)); |
| |
| if (auto_hal == NULL) { |
| ALOGE("%s: Memory allocation failed for auto hal module", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| auto_hal->adev = adev; |
| |
| fp_audio_extn_ext_hw_plugin_usecase_start = init_config.fp_audio_extn_ext_hw_plugin_usecase_start; |
| fp_audio_extn_ext_hw_plugin_usecase_stop = init_config.fp_audio_extn_ext_hw_plugin_usecase_stop; |
| fp_get_usecase_from_list = init_config.fp_get_usecase_from_list; |
| fp_get_output_period_size = init_config.fp_get_output_period_size; |
| fp_audio_extn_ext_hw_plugin_set_audio_gain = init_config.fp_audio_extn_ext_hw_plugin_set_audio_gain; |
| fp_select_devices = init_config.fp_select_devices; |
| fp_disable_audio_route = init_config.fp_disable_audio_route; |
| fp_disable_snd_device = init_config.fp_disable_snd_device; |
| fp_adev_get_active_input = init_config.fp_adev_get_active_input; |
| fp_platform_set_echo_reference = init_config.fp_platform_set_echo_reference; |
| fp_platform_get_eccarstate = init_config.fp_platform_get_eccarstate; |
| fp_generate_patch_handle = init_config.fp_generate_patch_handle; |
| fp_platform_get_pcm_device_id = init_config.fp_platform_get_pcm_device_id; |
| |
| return ret; |
| } |
| |
| void auto_hal_deinit(void) |
| { |
| if (auto_hal == NULL) { |
| ALOGE("%s: Auto hal module is NULL, cannot deinitialize", |
| __func__); |
| return; |
| } |
| |
| if(auto_hal != NULL) { |
| free(auto_hal); |
| auto_hal = NULL; |
| } |
| |
| return; |
| } |