ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c

Just code shuffles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c
index 7cc3a16..6e9ef3e 100644
--- a/sound/pci/hda/hda_auto_parser.c
+++ b/sound/pci/hda/hda_auto_parser.c
@@ -13,10 +13,607 @@
 #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)
 {