sound/pci/hda/hda_auto_parser.c - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /*
  * BIOS auto-parser helper functions for HD-audio
  *
  * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
  *
  * This driver is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */

 #include <linux/slab.h>
 #include <linux/export.h>
 #include <sound/core.h>
 #include "hda_codec.h"
 #include "hda_local.h"
 #include "hda_auto_parser.h"

 #define SFX	"hda_codec: "

 /*
  * Helper for automatic pin configuration
  */

 static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
 {
 	for (; *list; list++)
 		if (*list == nid)
 			return 1;
 	return 0;
 }


 /*
  * Sort an associated group of pins according to their sequence numbers.
  */
 static void sort_pins_by_sequence(hda_nid_t *pins, short *sequences,
 				  int num_pins)
 {
 	int i, j;
 	short seq;
 	hda_nid_t nid;

 	for (i = 0; i < num_pins; i++) {
 		for (j = i + 1; j < num_pins; j++) {
 			if (sequences[i] > sequences[j]) {
 				seq = sequences[i];
 				sequences[i] = sequences[j];
 				sequences[j] = seq;
 				nid = pins[i];
 				pins[i] = pins[j];
 				pins[j] = nid;
 			}
 		}
 	}
 }


 /* add the found input-pin to the cfg->inputs[] table */
 static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid,
 				   int type)
 {
 	if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
 		cfg->inputs[cfg->num_inputs].pin = nid;
 		cfg->inputs[cfg->num_inputs].type = type;
 		cfg->num_inputs++;
 	}
 }

 /* sort inputs in the order of AUTO_PIN_* type */
 static void sort_autocfg_input_pins(struct auto_pin_cfg *cfg)
 {
 	int i, j;

 	for (i = 0; i < cfg->num_inputs; i++) {
 		for (j = i + 1; j < cfg->num_inputs; j++) {
 			if (cfg->inputs[i].type > cfg->inputs[j].type) {
 				struct auto_pin_cfg_item tmp;
 				tmp = cfg->inputs[i];
 				cfg->inputs[i] = cfg->inputs[j];
 				cfg->inputs[j] = tmp;
 			}
 		}
 	}
 }

 /* Reorder the surround channels
  * ALSA sequence is front/surr/clfe/side
  * HDA sequence is:
  *    4-ch: front/surr  =>  OK as it is
  *    6-ch: front/clfe/surr
  *    8-ch: front/clfe/rear/side|fc
  */
 static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
 {
 	hda_nid_t nid;

 	switch (nums) {
 	case 3:
 	case 4:
 		nid = pins[1];
 		pins[1] = pins[2];
 		pins[2] = nid;
 		break;
 	}
 }

 /*
  * Parse all pin widgets and store the useful pin nids to cfg
  *
  * The number of line-outs or any primary output is stored in line_outs,
  * and the corresponding output pins are assigned to line_out_pins[],
  * in the order of front, rear, CLFE, side, ...
  *
  * If more extra outputs (speaker and headphone) are found, the pins are
  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
  * is detected, one of speaker of HP pins is assigned as the primary
  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
  * if any analog output exists.
  *
  * The analog input pins are assigned to inputs array.
  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
  * respectively.
  */
 int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
 			     struct auto_pin_cfg *cfg,
 			     const hda_nid_t *ignore_nids,
 			     unsigned int cond_flags)
 {
 	hda_nid_t nid, end_nid;
 	short seq, assoc_line_out;
 	short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
 	short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
 	short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
 	int i;

 	memset(cfg, 0, sizeof(*cfg));

 	memset(sequences_line_out, 0, sizeof(sequences_line_out));
 	memset(sequences_speaker, 0, sizeof(sequences_speaker));
 	memset(sequences_hp, 0, sizeof(sequences_hp));
 	assoc_line_out = 0;

 	codec->ignore_misc_bit = true;
 	end_nid = codec->start_nid + codec->num_nodes;
 	for (nid = codec->start_nid; nid < end_nid; nid++) {
 		unsigned int wid_caps = get_wcaps(codec, nid);
 		unsigned int wid_type = get_wcaps_type(wid_caps);
 		unsigned int def_conf;
 		short assoc, loc, conn, dev;

 		/* read all default configuration for pin complex */
 		if (wid_type != AC_WID_PIN)
 			continue;
 		/* ignore the given nids (e.g. pc-beep returns error) */
 		if (ignore_nids && is_in_nid_list(nid, ignore_nids))
 			continue;

 		def_conf = snd_hda_codec_get_pincfg(codec, nid);
 		if (!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
 		      AC_DEFCFG_MISC_NO_PRESENCE))
 			codec->ignore_misc_bit = false;
 		conn = get_defcfg_connect(def_conf);
 		if (conn == AC_JACK_PORT_NONE)
 			continue;
 		loc = get_defcfg_location(def_conf);
 		dev = get_defcfg_device(def_conf);

 		/* workaround for buggy BIOS setups */
 		if (dev == AC_JACK_LINE_OUT) {
 			if (conn == AC_JACK_PORT_FIXED)
 				dev = AC_JACK_SPEAKER;
 		}

 		switch (dev) {
 		case AC_JACK_LINE_OUT:
 			seq = get_defcfg_sequence(def_conf);
 			assoc = get_defcfg_association(def_conf);

 			if (!(wid_caps & AC_WCAP_STEREO))
 				if (!cfg->mono_out_pin)
 					cfg->mono_out_pin = nid;
 			if (!assoc)
 				continue;
 			if (!assoc_line_out)
 				assoc_line_out = assoc;
 			else if (assoc_line_out != assoc)
 				continue;
 			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
 				continue;
 			cfg->line_out_pins[cfg->line_outs] = nid;
 			sequences_line_out[cfg->line_outs] = seq;
 			cfg->line_outs++;
 			break;
 		case AC_JACK_SPEAKER:
 			seq = get_defcfg_sequence(def_conf);
 			assoc = get_defcfg_association(def_conf);
 			if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
 				continue;
 			cfg->speaker_pins[cfg->speaker_outs] = nid;
 			sequences_speaker[cfg->speaker_outs] = (assoc << 4) | seq;
 			cfg->speaker_outs++;
 			break;
 		case AC_JACK_HP_OUT:
 			seq = get_defcfg_sequence(def_conf);
 			assoc = get_defcfg_association(def_conf);
 			if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
 				continue;
 			cfg->hp_pins[cfg->hp_outs] = nid;
 			sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
 			cfg->hp_outs++;
 			break;
 		case AC_JACK_MIC_IN:
 			add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC);
 			break;
 		case AC_JACK_LINE_IN:
 			add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN);
 			break;
 		case AC_JACK_CD:
 			add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD);
 			break;
 		case AC_JACK_AUX:
 			add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX);
 			break;
 		case AC_JACK_SPDIF_OUT:
 		case AC_JACK_DIG_OTHER_OUT:
 			if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins))
 				continue;
 			cfg->dig_out_pins[cfg->dig_outs] = nid;
 			cfg->dig_out_type[cfg->dig_outs] =
 				(loc == AC_JACK_LOC_HDMI) ?
 				HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
 			cfg->dig_outs++;
 			break;
 		case AC_JACK_SPDIF_IN:
 		case AC_JACK_DIG_OTHER_IN:
 			cfg->dig_in_pin = nid;
 			if (loc == AC_JACK_LOC_HDMI)
 				cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
 			else
 				cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
 			break;
 		}
 	}

 	/* FIX-UP:
 	 * If no line-out is defined but multiple HPs are found,
 	 * some of them might be the real line-outs.
 	 */
 	if (!cfg->line_outs && cfg->hp_outs > 1 &&
 	    !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
 		int i = 0;
 		while (i < cfg->hp_outs) {
 			/* The real HPs should have the sequence 0x0f */
 			if ((sequences_hp[i] & 0x0f) == 0x0f) {
 				i++;
 				continue;
 			}
 			/* Move it to the line-out table */
 			cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
 			sequences_line_out[cfg->line_outs] = sequences_hp[i];
 			cfg->line_outs++;
 			cfg->hp_outs--;
 			memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
 				sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
 			memmove(sequences_hp + i, sequences_hp + i + 1,
 				sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
 		}
 		memset(cfg->hp_pins + cfg->hp_outs, 0,
 		       sizeof(hda_nid_t) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
 		if (!cfg->hp_outs)
 			cfg->line_out_type = AUTO_PIN_HP_OUT;

 	}

 	/* sort by sequence */
 	sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
 			      cfg->line_outs);
 	sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
 			      cfg->speaker_outs);
 	sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
 			      cfg->hp_outs);

 	/*
 	 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
 	 * as a primary output
 	 */
 	if (!cfg->line_outs &&
 	    !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
 		if (cfg->speaker_outs) {
 			cfg->line_outs = cfg->speaker_outs;
 			memcpy(cfg->line_out_pins, cfg->speaker_pins,
 			       sizeof(cfg->speaker_pins));
 			cfg->speaker_outs = 0;
 			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
 			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
 		} else if (cfg->hp_outs) {
 			cfg->line_outs = cfg->hp_outs;
 			memcpy(cfg->line_out_pins, cfg->hp_pins,
 			       sizeof(cfg->hp_pins));
 			cfg->hp_outs = 0;
 			memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
 			cfg->line_out_type = AUTO_PIN_HP_OUT;
 		}
 	}

 	reorder_outputs(cfg->line_outs, cfg->line_out_pins);
 	reorder_outputs(cfg->hp_outs, cfg->hp_pins);
 	reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);

 	sort_autocfg_input_pins(cfg);

 	/*
 	 * debug prints of the parsed results
 	 */
 	snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
 		   cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
 		   cfg->line_out_pins[2], cfg->line_out_pins[3],
 		   cfg->line_out_pins[4],
 		   cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
 		   (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
 		    "speaker" : "line"));
 	snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 		   cfg->speaker_outs, cfg->speaker_pins[0],
 		   cfg->speaker_pins[1], cfg->speaker_pins[2],
 		   cfg->speaker_pins[3], cfg->speaker_pins[4]);
 	snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 		   cfg->hp_outs, cfg->hp_pins[0],
 		   cfg->hp_pins[1], cfg->hp_pins[2],
 		   cfg->hp_pins[3], cfg->hp_pins[4]);
 	snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
 	if (cfg->dig_outs)
 		snd_printd("   dig-out=0x%x/0x%x\n",
 			   cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
 	snd_printd("   inputs:");
 	for (i = 0; i < cfg->num_inputs; i++) {
 		snd_printd(" %s=0x%x",
 			    hda_get_autocfg_input_label(codec, cfg, i),
 			    cfg->inputs[i].pin);
 	}
 	snd_printd("\n");
 	if (cfg->dig_in_pin)
 		snd_printd("   dig-in=0x%x\n", cfg->dig_in_pin);

 	return 0;
 }
 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg);

 int snd_hda_get_input_pin_attr(unsigned int def_conf)
 {
 	unsigned int loc = get_defcfg_location(def_conf);
 	unsigned int conn = get_defcfg_connect(def_conf);
 	if (conn == AC_JACK_PORT_NONE)
 		return INPUT_PIN_ATTR_UNUSED;
 	/* Windows may claim the internal mic to be BOTH, too */
 	if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
 		return INPUT_PIN_ATTR_INT;
 	if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
 		return INPUT_PIN_ATTR_INT;
 	if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
 		return INPUT_PIN_ATTR_DOCK;
 	if (loc == AC_JACK_LOC_REAR)
 		return INPUT_PIN_ATTR_REAR;
 	if (loc == AC_JACK_LOC_FRONT)
 		return INPUT_PIN_ATTR_FRONT;
 	return INPUT_PIN_ATTR_NORMAL;
 }
 EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr);

 /**
  * hda_get_input_pin_label - Give a label for the given input pin
  *
  * When check_location is true, the function checks the pin location
  * for mic and line-in pins, and set an appropriate prefix like "Front",
  * "Rear", "Internal".
  */

 static const char *hda_get_input_pin_label(struct hda_codec *codec,
 					   hda_nid_t pin, bool check_location)
 {
 	unsigned int def_conf;
 	static const char * const mic_names[] = {
 		"Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic",
 	};
 	int attr;

 	def_conf = snd_hda_codec_get_pincfg(codec, pin);

 	switch (get_defcfg_device(def_conf)) {
 	case AC_JACK_MIC_IN:
 		if (!check_location)
 			return "Mic";
 		attr = snd_hda_get_input_pin_attr(def_conf);
 		if (!attr)
 			return "None";
 		return mic_names[attr - 1];
 	case AC_JACK_LINE_IN:
 		if (!check_location)
 			return "Line";
 		attr = snd_hda_get_input_pin_attr(def_conf);
 		if (!attr)
 			return "None";
 		if (attr == INPUT_PIN_ATTR_DOCK)
 			return "Dock Line";
 		return "Line";
 	case AC_JACK_AUX:
 		return "Aux";
 	case AC_JACK_CD:
 		return "CD";
 	case AC_JACK_SPDIF_IN:
 		return "SPDIF In";
 	case AC_JACK_DIG_OTHER_IN:
 		return "Digital In";
 	default:
 		return "Misc";
 	}
 }

 /* Check whether the location prefix needs to be added to the label.
  * If all mic-jacks are in the same location (e.g. rear panel), we don't
  * have to put "Front" prefix to each label.  In such a case, returns false.
  */
 static int check_mic_location_need(struct hda_codec *codec,
 				   const struct auto_pin_cfg *cfg,
 				   int input)
 {
 	unsigned int defc;
 	int i, attr, attr2;

 	defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
 	attr = snd_hda_get_input_pin_attr(defc);
 	/* for internal or docking mics, we need locations */
 	if (attr <= INPUT_PIN_ATTR_NORMAL)
 		return 1;

 	attr = 0;
 	for (i = 0; i < cfg->num_inputs; i++) {
 		defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
 		attr2 = snd_hda_get_input_pin_attr(defc);
 		if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
 			if (attr && attr != attr2)
 				return 1; /* different locations found */
 			attr = attr2;
 		}
 	}
 	return 0;
 }

 /**
  * hda_get_autocfg_input_label - Get a label for the given input
  *
  * Get a label for the given input pin defined by the autocfg item.
  * Unlike hda_get_input_pin_label(), this function checks all inputs
  * defined in autocfg and avoids the redundant mic/line prefix as much as
  * possible.
  */
 const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 					const struct auto_pin_cfg *cfg,
 					int input)
 {
 	int type = cfg->inputs[input].type;
 	int has_multiple_pins = 0;

 	if ((input > 0 && cfg->inputs[input - 1].type == type) ||
 	    (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
 		has_multiple_pins = 1;
 	if (has_multiple_pins && type == AUTO_PIN_MIC)
 		has_multiple_pins &= check_mic_location_need(codec, cfg, input);
 	return hda_get_input_pin_label(codec, cfg->inputs[input].pin,
 				       has_multiple_pins);
 }
 EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label);

 /* return the position of NID in the list, or -1 if not found */
 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
 {
 	int i;
 	for (i = 0; i < nums; i++)
 		if (list[i] == nid)
 			return i;
 	return -1;
 }

 /* get a unique suffix or an index number */
 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
 				    int num_pins, int *indexp)
 {
 	static const char * const channel_sfx[] = {
 		" Front", " Surround", " CLFE", " Side"
 	};
 	int i;

 	i = find_idx_in_nid_list(nid, pins, num_pins);
 	if (i < 0)
 		return NULL;
 	if (num_pins == 1)
 		return "";
 	if (num_pins > ARRAY_SIZE(channel_sfx)) {
 		if (indexp)
 			*indexp = i;
 		return "";
 	}
 	return channel_sfx[i];
 }

 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
 			       const struct auto_pin_cfg *cfg,
 			       const char *name, char *label, int maxlen,
 			       int *indexp)
 {
 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 	int attr = snd_hda_get_input_pin_attr(def_conf);
 	const char *pfx = "", *sfx = "";

 	/* handle as a speaker if it's a fixed line-out */
 	if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
 		name = "Speaker";
 	/* check the location */
 	switch (attr) {
 	case INPUT_PIN_ATTR_DOCK:
 		pfx = "Dock ";
 		break;
 	case INPUT_PIN_ATTR_FRONT:
 		pfx = "Front ";
 		break;
 	}
 	if (cfg) {
 		/* try to give a unique suffix if needed */
 		sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
 				       indexp);
 		if (!sfx)
 			sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
 					       indexp);
 		if (!sfx) {
 			/* don't add channel suffix for Headphone controls */
 			int idx = find_idx_in_nid_list(nid, cfg->hp_pins,
 						       cfg->hp_outs);
 			if (idx >= 0)
 				*indexp = idx;
 			sfx = "";
 		}
 	}
 	snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
 	return 1;
 }

 /**
  * snd_hda_get_pin_label - Get a label for the given I/O pin
  *
  * Get a label for the given pin.  This function works for both input and
  * output pins.  When @cfg is given as non-NULL, the function tries to get
  * an optimized label using hda_get_autocfg_input_label().
  *
  * This function tries to give a unique label string for the pin as much as
  * possible.  For example, when the multiple line-outs are present, it adds
  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
  * If no unique name with a suffix is available and @indexp is non-NULL, the
  * index number is stored in the pointer.
  */
 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
 			  const struct auto_pin_cfg *cfg,
 			  char *label, int maxlen, int *indexp)
 {
 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 	const char *name = NULL;
 	int i;

 	if (indexp)
 		*indexp = 0;
 	if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
 		return 0;

 	switch (get_defcfg_device(def_conf)) {
 	case AC_JACK_LINE_OUT:
 		return fill_audio_out_name(codec, nid, cfg, "Line Out",
 					   label, maxlen, indexp);
 	case AC_JACK_SPEAKER:
 		return fill_audio_out_name(codec, nid, cfg, "Speaker",
 					   label, maxlen, indexp);
 	case AC_JACK_HP_OUT:
 		return fill_audio_out_name(codec, nid, cfg, "Headphone",
 					   label, maxlen, indexp);
 	case AC_JACK_SPDIF_OUT:
 	case AC_JACK_DIG_OTHER_OUT:
 		if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI)
 			name = "HDMI";
 		else
 			name = "SPDIF";
 		if (cfg && indexp) {
 			i = find_idx_in_nid_list(nid, cfg->dig_out_pins,
 						 cfg->dig_outs);
 			if (i >= 0)
 				*indexp = i;
 		}
 		break;
 	default:
 		if (cfg) {
 			for (i = 0; i < cfg->num_inputs; i++) {
 				if (cfg->inputs[i].pin != nid)
 					continue;
 				name = hda_get_autocfg_input_label(codec, cfg, i);
 				if (name)
 					break;
 			}
 		}
 		if (!name)
 			name = hda_get_input_pin_label(codec, nid, true);
 		break;
 	}
 	if (!name)
 		return 0;
 	strlcpy(label, name, maxlen);
 	return 1;
 }
 EXPORT_SYMBOL_HDA(snd_hda_get_pin_label);

 int snd_hda_gen_add_verbs(struct hda_gen_spec *spec,
 			  const struct hda_verb *list)
 {
 	const struct hda_verb **v;
 	v = snd_array_new(&spec->verbs);
 	if (!v)
 		return -ENOMEM;
 	*v = list;
 	return 0;
 }
 EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs);

 void snd_hda_gen_apply_verbs(struct hda_codec *codec)
 {
 	struct hda_gen_spec *spec = codec->spec;
 	int i;
 	for (i = 0; i < spec->verbs.used; i++) {
 		struct hda_verb **v = snd_array_elem(&spec->verbs, i);
 		snd_hda_sequence_write(codec, *v);
 	}
 }
 EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs);

 void snd_hda_apply_pincfgs(struct hda_codec *codec,
 			   const struct hda_pintbl *cfg)
 {
 	for (; cfg->nid; cfg++)
 		snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
 }
 EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs);

 void snd_hda_apply_fixup(struct hda_codec *codec, int action)
 {
 	struct hda_gen_spec *spec = codec->spec;
 	int id = spec->fixup_id;
 #ifdef CONFIG_SND_DEBUG_VERBOSE
 	const char *modelname = spec->fixup_name;
 #endif
 	int depth = 0;

 	if (!spec->fixup_list)
 		return;

 	while (id >= 0) {
 		const struct hda_fixup *fix = spec->fixup_list + id;

 		switch (fix->type) {
 		case HDA_FIXUP_PINS:
 			if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
 				break;
 			snd_printdd(KERN_INFO SFX
 				    "%s: Apply pincfg for %s\n",
 				    codec->chip_name, modelname);
 			snd_hda_apply_pincfgs(codec, fix->v.pins);
 			break;
 		case HDA_FIXUP_VERBS:
 			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
 				break;
 			snd_printdd(KERN_INFO SFX
 				    "%s: Apply fix-verbs for %s\n",
 				    codec->chip_name, modelname);
 			snd_hda_gen_add_verbs(codec->spec, fix->v.verbs);
 			break;
 		case HDA_FIXUP_FUNC:
 			if (!fix->v.func)
 				break;
 			snd_printdd(KERN_INFO SFX
 				    "%s: Apply fix-func for %s\n",
 				    codec->chip_name, modelname);
 			fix->v.func(codec, fix, action);
 			break;
 		default:
 			snd_printk(KERN_ERR SFX
 				   "%s: Invalid fixup type %d\n",
 				   codec->chip_name, fix->type);
 			break;
 		}
 		if (!fix->chained)
 			break;
 		if (++depth > 10)
 			break;
 		id = fix->chain_id;
 	}
 }
 EXPORT_SYMBOL_HDA(snd_hda_apply_fixup);

 void snd_hda_pick_fixup(struct hda_codec *codec,
 			const struct hda_model_fixup *models,
 			const struct snd_pci_quirk *quirk,
 			const struct hda_fixup *fixlist)
 {
 	struct hda_gen_spec *spec = codec->spec;
 	const struct snd_pci_quirk *q;
 	int id = -1;
 	const char *name = NULL;

 	/* when model=nofixup is given, don't pick up any fixups */
 	if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
 		spec->fixup_list = NULL;
 		spec->fixup_id = -1;
 		return;
 	}

 	if (codec->modelname && models) {
 		while (models->name) {
 			if (!strcmp(codec->modelname, models->name)) {
 				id = models->id;
 				name = models->name;
 				break;
 			}
 			models++;
 		}
 	}
 	if (id < 0) {
 		q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
 		if (q) {
 			id = q->value;
 #ifdef CONFIG_SND_DEBUG_VERBOSE
 			name = q->name;
 #endif
 		}
 	}
 	if (id < 0) {
 		for (q = quirk; q->subvendor; q++) {
 			unsigned int vendorid =
 				q->subdevice | (q->subvendor << 16);
 			if (vendorid == codec->subsystem_id) {
 				id = q->value;
 #ifdef CONFIG_SND_DEBUG_VERBOSE
 				name = q->name;
 #endif
 				break;
 			}
 		}
 	}

 	spec->fixup_id = id;
 	if (id >= 0) {
 		spec->fixup_list = fixlist;
 		spec->fixup_name = name;
 	}
 }
 EXPORT_SYMBOL_HDA(snd_hda_pick_fixup);
	/*
	* BIOS auto-parser helper functions for HD-audio
	*
	* Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
	*
	* This driver is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*/

	#include <linux/slab.h>
	#include <linux/export.h>
	#include <sound/core.h>
	#include "hda_codec.h"
	#include "hda_local.h"
	#include "hda_auto_parser.h"

	#define SFX "hda_codec: "

	/*
	* Helper for automatic pin configuration
	*/

	static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
	{
	for (; *list; list++)
	if (*list == nid)
	return 1;
	return 0;
	}


	/*
	* Sort an associated group of pins according to their sequence numbers.
	*/
	static void sort_pins_by_sequence(hda_nid_t pins, short sequences,
	int num_pins)
	{
	int i, j;
	short seq;
	hda_nid_t nid;

	for (i = 0; i < num_pins; i++) {
	for (j = i + 1; j < num_pins; j++) {
	if (sequences[i] > sequences[j]) {
	seq = sequences[i];
	sequences[i] = sequences[j];
	sequences[j] = seq;
	nid = pins[i];
	pins[i] = pins[j];
	pins[j] = nid;
	}
	}
	}
	}


	/* add the found input-pin to the cfg->inputs[] table */
	static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid,
	int type)
	{
	if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
	cfg->inputs[cfg->num_inputs].pin = nid;
	cfg->inputs[cfg->num_inputs].type = type;
	cfg->num_inputs++;
	}
	}

	/* sort inputs in the order of AUTO_PIN_* type */
	static void sort_autocfg_input_pins(struct auto_pin_cfg *cfg)
	{
	int i, j;

	for (i = 0; i < cfg->num_inputs; i++) {
	for (j = i + 1; j < cfg->num_inputs; j++) {
	if (cfg->inputs[i].type > cfg->inputs[j].type) {
	struct auto_pin_cfg_item tmp;
	tmp = cfg->inputs[i];
	cfg->inputs[i] = cfg->inputs[j];
	cfg->inputs[j] = tmp;
	}
	}
	}
	}

	/* Reorder the surround channels
	* ALSA sequence is front/surr/clfe/side
	* HDA sequence is:
	* 4-ch: front/surr => OK as it is
	* 6-ch: front/clfe/surr
	* 8-ch: front/clfe/rear/side\|fc
	*/
	static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
	{
	hda_nid_t nid;

	switch (nums) {
	case 3:
	case 4:
	nid = pins[1];
	pins[1] = pins[2];
	pins[2] = nid;
	break;
	}
	}

	/*
	* Parse all pin widgets and store the useful pin nids to cfg
	*
	* The number of line-outs or any primary output is stored in line_outs,
	* and the corresponding output pins are assigned to line_out_pins[],
	* in the order of front, rear, CLFE, side, ...
	*
	* If more extra outputs (speaker and headphone) are found, the pins are
	* assisnged to hp_pins[] and speaker_pins[], respectively. If no line-out jack
	* is detected, one of speaker of HP pins is assigned as the primary
	* output, i.e. to line_out_pins[0]. So, line_outs is always positive
	* if any analog output exists.
	*
	* The analog input pins are assigned to inputs array.
	* The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
	* respectively.
	*/
	int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
	struct auto_pin_cfg *cfg,
	const hda_nid_t *ignore_nids,
	unsigned int cond_flags)
	{
	hda_nid_t nid, end_nid;
	short seq, assoc_line_out;
	short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
	short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
	short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
	int i;

	memset(cfg, 0, sizeof(*cfg));

	memset(sequences_line_out, 0, sizeof(sequences_line_out));
	memset(sequences_speaker, 0, sizeof(sequences_speaker));
	memset(sequences_hp, 0, sizeof(sequences_hp));
	assoc_line_out = 0;

	codec->ignore_misc_bit = true;
	end_nid = codec->start_nid + codec->num_nodes;
	for (nid = codec->start_nid; nid < end_nid; nid++) {
	unsigned int wid_caps = get_wcaps(codec, nid);
	unsigned int wid_type = get_wcaps_type(wid_caps);
	unsigned int def_conf;
	short assoc, loc, conn, dev;

	/* read all default configuration for pin complex */
	if (wid_type != AC_WID_PIN)
	continue;
	/* ignore the given nids (e.g. pc-beep returns error) */
	if (ignore_nids && is_in_nid_list(nid, ignore_nids))
	continue;

	def_conf = snd_hda_codec_get_pincfg(codec, nid);
	if (!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
	AC_DEFCFG_MISC_NO_PRESENCE))
	codec->ignore_misc_bit = false;
	conn = get_defcfg_connect(def_conf);
	if (conn == AC_JACK_PORT_NONE)
	continue;
	loc = get_defcfg_location(def_conf);
	dev = get_defcfg_device(def_conf);

	/* workaround for buggy BIOS setups */
	if (dev == AC_JACK_LINE_OUT) {
	if (conn == AC_JACK_PORT_FIXED)
	dev = AC_JACK_SPEAKER;
	}

	switch (dev) {
	case AC_JACK_LINE_OUT:
	seq = get_defcfg_sequence(def_conf);
	assoc = get_defcfg_association(def_conf);

	if (!(wid_caps & AC_WCAP_STEREO))
	if (!cfg->mono_out_pin)
	cfg->mono_out_pin = nid;
	if (!assoc)
	continue;
	if (!assoc_line_out)
	assoc_line_out = assoc;
	else if (assoc_line_out != assoc)
	continue;
	if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
	continue;
	cfg->line_out_pins[cfg->line_outs] = nid;
	sequences_line_out[cfg->line_outs] = seq;
	cfg->line_outs++;
	break;
	case AC_JACK_SPEAKER:
	seq = get_defcfg_sequence(def_conf);
	assoc = get_defcfg_association(def_conf);
	if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
	continue;
	cfg->speaker_pins[cfg->speaker_outs] = nid;
	sequences_speaker[cfg->speaker_outs] = (assoc << 4) \| seq;
	cfg->speaker_outs++;
	break;
	case AC_JACK_HP_OUT:
	seq = get_defcfg_sequence(def_conf);
	assoc = get_defcfg_association(def_conf);
	if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
	continue;
	cfg->hp_pins[cfg->hp_outs] = nid;
	sequences_hp[cfg->hp_outs] = (assoc << 4) \| seq;
	cfg->hp_outs++;
	break;
	case AC_JACK_MIC_IN:
	add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC);
	break;
	case AC_JACK_LINE_IN:
	add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN);
	break;
	case AC_JACK_CD:
	add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD);
	break;
	case AC_JACK_AUX:
	add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX);
	break;
	case AC_JACK_SPDIF_OUT:
	case AC_JACK_DIG_OTHER_OUT:
	if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins))
	continue;
	cfg->dig_out_pins[cfg->dig_outs] = nid;
	cfg->dig_out_type[cfg->dig_outs] =
	(loc == AC_JACK_LOC_HDMI) ?
	HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
	cfg->dig_outs++;
	break;
	case AC_JACK_SPDIF_IN:
	case AC_JACK_DIG_OTHER_IN:
	cfg->dig_in_pin = nid;
	if (loc == AC_JACK_LOC_HDMI)
	cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
	else
	cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
	break;
	}
	}

	/* FIX-UP:
	* If no line-out is defined but multiple HPs are found,
	* some of them might be the real line-outs.
	*/
	if (!cfg->line_outs && cfg->hp_outs > 1 &&
	!(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
	int i = 0;
	while (i < cfg->hp_outs) {
	/* The real HPs should have the sequence 0x0f */
	if ((sequences_hp[i] & 0x0f) == 0x0f) {
	i++;
	continue;
	}
	/* Move it to the line-out table */
	cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
	sequences_line_out[cfg->line_outs] = sequences_hp[i];
	cfg->line_outs++;
	cfg->hp_outs--;
	memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
	sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
	memmove(sequences_hp + i, sequences_hp + i + 1,
	sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
	}
	memset(cfg->hp_pins + cfg->hp_outs, 0,
	sizeof(hda_nid_t) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
	if (!cfg->hp_outs)
	cfg->line_out_type = AUTO_PIN_HP_OUT;

	}

	/* sort by sequence */
	sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
	cfg->line_outs);
	sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
	cfg->speaker_outs);
	sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
	cfg->hp_outs);

	/*
	* FIX-UP: if no line-outs are detected, try to use speaker or HP pin
	* as a primary output
	*/
	if (!cfg->line_outs &&
	!(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
	if (cfg->speaker_outs) {
	cfg->line_outs = cfg->speaker_outs;
	memcpy(cfg->line_out_pins, cfg->speaker_pins,
	sizeof(cfg->speaker_pins));
	cfg->speaker_outs = 0;
	memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
	cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
	} else if (cfg->hp_outs) {
	cfg->line_outs = cfg->hp_outs;
	memcpy(cfg->line_out_pins, cfg->hp_pins,
	sizeof(cfg->hp_pins));
	cfg->hp_outs = 0;
	memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
	cfg->line_out_type = AUTO_PIN_HP_OUT;
	}
	}

	reorder_outputs(cfg->line_outs, cfg->line_out_pins);
	reorder_outputs(cfg->hp_outs, cfg->hp_pins);
	reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);

	sort_autocfg_input_pins(cfg);

	/*
	* debug prints of the parsed results
	*/
	snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
	cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
	cfg->line_out_pins[2], cfg->line_out_pins[3],
	cfg->line_out_pins[4],
	cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
	(cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
	"speaker" : "line"));
	snd_printd(" speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
	cfg->speaker_outs, cfg->speaker_pins[0],
	cfg->speaker_pins[1], cfg->speaker_pins[2],
	cfg->speaker_pins[3], cfg->speaker_pins[4]);
	snd_printd(" hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
	cfg->hp_outs, cfg->hp_pins[0],
	cfg->hp_pins[1], cfg->hp_pins[2],
	cfg->hp_pins[3], cfg->hp_pins[4]);
	snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin);
	if (cfg->dig_outs)
	snd_printd(" dig-out=0x%x/0x%x\n",
	cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
	snd_printd(" inputs:");
	for (i = 0; i < cfg->num_inputs; i++) {
	snd_printd(" %s=0x%x",
	hda_get_autocfg_input_label(codec, cfg, i),
	cfg->inputs[i].pin);
	}
	snd_printd("\n");
	if (cfg->dig_in_pin)
	snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin);

	return 0;
	}
	EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg);

	int snd_hda_get_input_pin_attr(unsigned int def_conf)
	{
	unsigned int loc = get_defcfg_location(def_conf);
	unsigned int conn = get_defcfg_connect(def_conf);
	if (conn == AC_JACK_PORT_NONE)
	return INPUT_PIN_ATTR_UNUSED;
	/* Windows may claim the internal mic to be BOTH, too */
	if (conn == AC_JACK_PORT_FIXED \|\| conn == AC_JACK_PORT_BOTH)
	return INPUT_PIN_ATTR_INT;
	if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
	return INPUT_PIN_ATTR_INT;
	if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
	return INPUT_PIN_ATTR_DOCK;
	if (loc == AC_JACK_LOC_REAR)
	return INPUT_PIN_ATTR_REAR;
	if (loc == AC_JACK_LOC_FRONT)
	return INPUT_PIN_ATTR_FRONT;
	return INPUT_PIN_ATTR_NORMAL;
	}
	EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr);

	/**
	* hda_get_input_pin_label - Give a label for the given input pin
	*
	* When check_location is true, the function checks the pin location
	* for mic and line-in pins, and set an appropriate prefix like "Front",
	* "Rear", "Internal".
	*/

	static const char hda_get_input_pin_label(struct hda_codec codec,
	hda_nid_t pin, bool check_location)
	{
	unsigned int def_conf;
	static const char * const mic_names[] = {
	"Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic",
	};
	int attr;

	def_conf = snd_hda_codec_get_pincfg(codec, pin);

	switch (get_defcfg_device(def_conf)) {
	case AC_JACK_MIC_IN:
	if (!check_location)
	return "Mic";
	attr = snd_hda_get_input_pin_attr(def_conf);
	if (!attr)
	return "None";
	return mic_names[attr - 1];
	case AC_JACK_LINE_IN:
	if (!check_location)
	return "Line";
	attr = snd_hda_get_input_pin_attr(def_conf);
	if (!attr)
	return "None";
	if (attr == INPUT_PIN_ATTR_DOCK)
	return "Dock Line";
	return "Line";
	case AC_JACK_AUX:
	return "Aux";
	case AC_JACK_CD:
	return "CD";
	case AC_JACK_SPDIF_IN:
	return "SPDIF In";
	case AC_JACK_DIG_OTHER_IN:
	return "Digital In";
	default:
	return "Misc";
	}
	}

	/* Check whether the location prefix needs to be added to the label.
	* If all mic-jacks are in the same location (e.g. rear panel), we don't
	* have to put "Front" prefix to each label. In such a case, returns false.
	*/
	static int check_mic_location_need(struct hda_codec *codec,
	const struct auto_pin_cfg *cfg,
	int input)
	{
	unsigned int defc;
	int i, attr, attr2;

	defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
	attr = snd_hda_get_input_pin_attr(defc);
	/* for internal or docking mics, we need locations */
	if (attr <= INPUT_PIN_ATTR_NORMAL)
	return 1;

	attr = 0;
	for (i = 0; i < cfg->num_inputs; i++) {
	defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
	attr2 = snd_hda_get_input_pin_attr(defc);
	if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
	if (attr && attr != attr2)
	return 1; /* different locations found */
	attr = attr2;
	}
	}
	return 0;
	}

	/**
	* hda_get_autocfg_input_label - Get a label for the given input
	*
	* Get a label for the given input pin defined by the autocfg item.
	* Unlike hda_get_input_pin_label(), this function checks all inputs
	* defined in autocfg and avoids the redundant mic/line prefix as much as
	* possible.
	*/
	const char hda_get_autocfg_input_label(struct hda_codec codec,
	const struct auto_pin_cfg *cfg,
	int input)
	{
	int type = cfg->inputs[input].type;
	int has_multiple_pins = 0;

	if ((input > 0 && cfg->inputs[input - 1].type == type) \|\|
	(input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
	has_multiple_pins = 1;
	if (has_multiple_pins && type == AUTO_PIN_MIC)
	has_multiple_pins &= check_mic_location_need(codec, cfg, input);
	return hda_get_input_pin_label(codec, cfg->inputs[input].pin,
	has_multiple_pins);
	}
	EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label);

	/* return the position of NID in the list, or -1 if not found */
	static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
	{
	int i;
	for (i = 0; i < nums; i++)
	if (list[i] == nid)
	return i;
	return -1;
	}

	/* get a unique suffix or an index number */
	static const char check_output_sfx(hda_nid_t nid, const hda_nid_t pins,
	int num_pins, int *indexp)
	{
	static const char * const channel_sfx[] = {
	" Front", " Surround", " CLFE", " Side"
	};
	int i;

	i = find_idx_in_nid_list(nid, pins, num_pins);
	if (i < 0)
	return NULL;
	if (num_pins == 1)
	return "";
	if (num_pins > ARRAY_SIZE(channel_sfx)) {
	if (indexp)
	*indexp = i;
	return "";
	}
	return channel_sfx[i];
	}

	static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
	const struct auto_pin_cfg *cfg,
	const char name, char label, int maxlen,
	int *indexp)
	{
	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
	int attr = snd_hda_get_input_pin_attr(def_conf);
	const char pfx = "", sfx = "";

	/* handle as a speaker if it's a fixed line-out */
	if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
	name = "Speaker";
	/* check the location */
	switch (attr) {
	case INPUT_PIN_ATTR_DOCK:
	pfx = "Dock ";
	break;
	case INPUT_PIN_ATTR_FRONT:
	pfx = "Front ";
	break;
	}
	if (cfg) {
	/* try to give a unique suffix if needed */
	sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
	indexp);
	if (!sfx)
	sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
	indexp);
	if (!sfx) {
	/* don't add channel suffix for Headphone controls */
	int idx = find_idx_in_nid_list(nid, cfg->hp_pins,
	cfg->hp_outs);
	if (idx >= 0)
	*indexp = idx;
	sfx = "";
	}
	}
	snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
	return 1;
	}

	/**
	* snd_hda_get_pin_label - Get a label for the given I/O pin
	*
	* Get a label for the given pin. This function works for both input and
	* output pins. When @cfg is given as non-NULL, the function tries to get
	* an optimized label using hda_get_autocfg_input_label().
	*
	* This function tries to give a unique label string for the pin as much as
	* possible. For example, when the multiple line-outs are present, it adds
	* the channel suffix like "Front", "Surround", etc (only when @cfg is given).
	* If no unique name with a suffix is available and @indexp is non-NULL, the
	* index number is stored in the pointer.
	*/
	int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
	const struct auto_pin_cfg *cfg,
	char label, int maxlen, int indexp)
	{
	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
	const char *name = NULL;
	int i;

	if (indexp)
	*indexp = 0;
	if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
	return 0;

	switch (get_defcfg_device(def_conf)) {
	case AC_JACK_LINE_OUT:
	return fill_audio_out_name(codec, nid, cfg, "Line Out",
	label, maxlen, indexp);
	case AC_JACK_SPEAKER:
	return fill_audio_out_name(codec, nid, cfg, "Speaker",
	label, maxlen, indexp);
	case AC_JACK_HP_OUT:
	return fill_audio_out_name(codec, nid, cfg, "Headphone",
	label, maxlen, indexp);
	case AC_JACK_SPDIF_OUT:
	case AC_JACK_DIG_OTHER_OUT:
	if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI)
	name = "HDMI";
	else
	name = "SPDIF";
	if (cfg && indexp) {
	i = find_idx_in_nid_list(nid, cfg->dig_out_pins,
	cfg->dig_outs);
	if (i >= 0)
	*indexp = i;
	}
	break;
	default:
	if (cfg) {
	for (i = 0; i < cfg->num_inputs; i++) {
	if (cfg->inputs[i].pin != nid)
	continue;
	name = hda_get_autocfg_input_label(codec, cfg, i);
	if (name)
	break;
	}
	}
	if (!name)
	name = hda_get_input_pin_label(codec, nid, true);
	break;
	}
	if (!name)
	return 0;
	strlcpy(label, name, maxlen);
	return 1;
	}
	EXPORT_SYMBOL_HDA(snd_hda_get_pin_label);

	int snd_hda_gen_add_verbs(struct hda_gen_spec *spec,
	const struct hda_verb *list)
	{
	const struct hda_verb **v;
	v = snd_array_new(&spec->verbs);
	if (!v)
	return -ENOMEM;
	*v = list;
	return 0;
	}
	EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs);

	void snd_hda_gen_apply_verbs(struct hda_codec *codec)
	{
	struct hda_gen_spec *spec = codec->spec;
	int i;
	for (i = 0; i < spec->verbs.used; i++) {
	struct hda_verb **v = snd_array_elem(&spec->verbs, i);
	snd_hda_sequence_write(codec, *v);
	}
	}
	EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs);

	void snd_hda_apply_pincfgs(struct hda_codec *codec,
	const struct hda_pintbl *cfg)
	{
	for (; cfg->nid; cfg++)
	snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
	}
	EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs);

	void snd_hda_apply_fixup(struct hda_codec *codec, int action)
	{
	struct hda_gen_spec *spec = codec->spec;
	int id = spec->fixup_id;
	#ifdef CONFIG_SND_DEBUG_VERBOSE
	const char *modelname = spec->fixup_name;
	#endif
	int depth = 0;

	if (!spec->fixup_list)
	return;

	while (id >= 0) {
	const struct hda_fixup *fix = spec->fixup_list + id;

	switch (fix->type) {
	case HDA_FIXUP_PINS:
	if (action != HDA_FIXUP_ACT_PRE_PROBE \|\| !fix->v.pins)
	break;
	snd_printdd(KERN_INFO SFX
	"%s: Apply pincfg for %s\n",
	codec->chip_name, modelname);
	snd_hda_apply_pincfgs(codec, fix->v.pins);
	break;
	case HDA_FIXUP_VERBS:
	if (action != HDA_FIXUP_ACT_PROBE \|\| !fix->v.verbs)
	break;
	snd_printdd(KERN_INFO SFX
	"%s: Apply fix-verbs for %s\n",
	codec->chip_name, modelname);
	snd_hda_gen_add_verbs(codec->spec, fix->v.verbs);
	break;
	case HDA_FIXUP_FUNC:
	if (!fix->v.func)
	break;
	snd_printdd(KERN_INFO SFX
	"%s: Apply fix-func for %s\n",
	codec->chip_name, modelname);
	fix->v.func(codec, fix, action);
	break;
	default:
	snd_printk(KERN_ERR SFX
	"%s: Invalid fixup type %d\n",
	codec->chip_name, fix->type);
	break;
	}
	if (!fix->chained)
	break;
	if (++depth > 10)
	break;
	id = fix->chain_id;
	}
	}
	EXPORT_SYMBOL_HDA(snd_hda_apply_fixup);

	void snd_hda_pick_fixup(struct hda_codec *codec,
	const struct hda_model_fixup *models,
	const struct snd_pci_quirk *quirk,
	const struct hda_fixup *fixlist)
	{
	struct hda_gen_spec *spec = codec->spec;
	const struct snd_pci_quirk *q;
	int id = -1;
	const char *name = NULL;

	/* when model=nofixup is given, don't pick up any fixups */
	if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
	spec->fixup_list = NULL;
	spec->fixup_id = -1;
	return;
	}

	if (codec->modelname && models) {
	while (models->name) {
	if (!strcmp(codec->modelname, models->name)) {
	id = models->id;
	name = models->name;
	break;
	}
	models++;
	}
	}
	if (id < 0) {
	q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
	if (q) {
	id = q->value;
	#ifdef CONFIG_SND_DEBUG_VERBOSE
	name = q->name;
	#endif
	}
	}
	if (id < 0) {
	for (q = quirk; q->subvendor; q++) {
	unsigned int vendorid =
	q->subdevice \| (q->subvendor << 16);
	if (vendorid == codec->subsystem_id) {
	id = q->value;
	#ifdef CONFIG_SND_DEBUG_VERBOSE
	name = q->name;
	#endif
	break;
	}
	}
	}

	spec->fixup_id = id;
	if (id >= 0) {
	spec->fixup_list = fixlist;
	spec->fixup_name = name;
	}
	}
	EXPORT_SYMBOL_HDA(snd_hda_pick_fixup);