Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1046 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c
new file mode 100644
index 000000000..d23d61dbc
--- /dev/null
+++ b/sound/pci/hda/hda_auto_parser.c
@@ -0,0 +1,1046 @@
+/*
+ * 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 <linux/sort.h>
+#include <sound/core.h>
+#include "hda_codec.h"
+#include "hda_local.h"
+#include "hda_auto_parser.h"
+
+/*
+ * 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;
+}
+
+/* a pair of input pin and its sequence */
+struct auto_out_pin {
+	hda_nid_t pin;
+	short seq;
+};
+
+static int compare_seq(const void *ap, const void *bp)
+{
+	const struct auto_out_pin *a = ap;
+	const struct auto_out_pin *b = bp;
+	return (int)(a->seq - b->seq);
+}
+
+/*
+ * Sort an associated group of pins according to their sequence numbers.
+ * then store it to a pin array.
+ */
+static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list,
+				  int num_pins)
+{
+	int i;
+	sort(list, num_pins, sizeof(list[0]), compare_seq, NULL);
+	for (i = 0; i < num_pins; i++)
+		pins[i] = list[i].pin;
+}
+
+
+/* add the found input-pin to the cfg->inputs[] table */
+static void add_auto_cfg_input_pin(struct hda_codec *codec, 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->inputs[cfg->num_inputs].has_boost_on_pin =
+			nid_has_volume(codec, nid, HDA_INPUT);
+		cfg->num_inputs++;
+	}
+}
+
+static int compare_input_type(const void *ap, const void *bp)
+{
+	const struct auto_pin_cfg_item *a = ap;
+	const struct auto_pin_cfg_item *b = bp;
+	if (a->type != b->type)
+		return (int)(a->type - b->type);
+
+	/* If has both hs_mic and hp_mic, pick the hs_mic ahead of hp_mic. */
+	if (a->is_headset_mic && b->is_headphone_mic)
+		return -1; /* don't swap */
+	else if (a->is_headphone_mic && b->is_headset_mic)
+		return 1; /* swap */
+
+	/* In case one has boost and the other one has not,
+	   pick the one with boost first. */
+	return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
+}
+
+/* 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;
+	}
+}
+
+/* check whether the given pin has a proper pin I/O capability bit */
+static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
+				  unsigned int dev)
+{
+	unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
+
+	/* some old hardware don't return the proper pincaps */
+	if (!pincap)
+		return true;
+
+	switch (dev) {
+	case AC_JACK_LINE_OUT:
+	case AC_JACK_SPEAKER:
+	case AC_JACK_HP_OUT:
+	case AC_JACK_SPDIF_OUT:
+	case AC_JACK_DIG_OTHER_OUT:
+		return !!(pincap & AC_PINCAP_OUT);
+	default:
+		return !!(pincap & AC_PINCAP_IN);
+	}
+}
+
+static bool can_be_headset_mic(struct hda_codec *codec,
+			       struct auto_pin_cfg_item *item,
+			       int seq_number)
+{
+	int attr;
+	unsigned int def_conf;
+	if (item->type != AUTO_PIN_MIC)
+		return false;
+
+	if (item->is_headset_mic || item->is_headphone_mic)
+		return false; /* Already assigned */
+
+	def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
+	attr = snd_hda_get_input_pin_attr(def_conf);
+	if (attr <= INPUT_PIN_ATTR_DOCK)
+		return false;
+
+	if (seq_number >= 0) {
+		int seq = get_defcfg_sequence(def_conf);
+		if (seq != seq_number)
+			return false;
+	}
+
+	return true;
+}
+
+/*
+ * 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;
+	short seq, assoc_line_out;
+	struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
+	struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
+	struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
+	int i;
+
+	if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
+		cond_flags = i;
+
+	memset(cfg, 0, sizeof(*cfg));
+
+	memset(line_out, 0, sizeof(line_out));
+	memset(speaker_out, 0, sizeof(speaker_out));
+	memset(hp_out, 0, sizeof(hp_out));
+	assoc_line_out = 0;
+
+	for_each_hda_codec_node(nid, codec) {
+		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);
+		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 ||
+			    conn == AC_JACK_PORT_BOTH)
+				dev = AC_JACK_SPEAKER;
+		}
+
+		if (!check_pincap_validity(codec, nid, dev))
+			continue;
+
+		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) {
+				codec_info(codec,
+					   "ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
+					   nid, assoc, assoc_line_out);
+				continue;
+			}
+			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
+				codec_info(codec,
+					   "ignore pin 0x%x, too many assigned pins\n",
+					   nid);
+				continue;
+			}
+			line_out[cfg->line_outs].pin = nid;
+			line_out[cfg->line_outs].seq = 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)) {
+				codec_info(codec,
+					   "ignore pin 0x%x, too many assigned pins\n",
+					   nid);
+				continue;
+			}
+			speaker_out[cfg->speaker_outs].pin = nid;
+			speaker_out[cfg->speaker_outs].seq = (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)) {
+				codec_info(codec,
+					   "ignore pin 0x%x, too many assigned pins\n",
+					   nid);
+				continue;
+			}
+			hp_out[cfg->hp_outs].pin = nid;
+			hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
+			cfg->hp_outs++;
+			break;
+		case AC_JACK_MIC_IN:
+			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
+			break;
+		case AC_JACK_LINE_IN:
+			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
+			break;
+		case AC_JACK_CD:
+			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
+			break;
+		case AC_JACK_AUX:
+			add_auto_cfg_input_pin(codec, 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)) {
+				codec_info(codec,
+					   "ignore pin 0x%x, too many assigned pins\n",
+					   nid);
+				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;
+		}
+	}
+
+	/* Find a pin that could be a headset or headphone mic */
+	if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
+		bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
+		bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
+		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
+			if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
+				cfg->inputs[i].is_headset_mic = 1;
+				hsmic = false;
+			} else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
+				cfg->inputs[i].is_headphone_mic = 1;
+				hpmic = false;
+			}
+
+		/* If we didn't find our sequence number mark, fall back to any sequence number */
+		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
+			if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
+				continue;
+			if (hsmic) {
+				cfg->inputs[i].is_headset_mic = 1;
+				hsmic = false;
+			} else if (hpmic) {
+				cfg->inputs[i].is_headphone_mic = 1;
+				hpmic = false;
+			}
+		}
+
+		if (hsmic)
+			codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
+		if (hpmic)
+			codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
+	}
+
+	/* 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 ((hp_out[i].seq & 0x0f) == 0x0f) {
+				i++;
+				continue;
+			}
+			/* Move it to the line-out table */
+			line_out[cfg->line_outs++] = hp_out[i];
+			cfg->hp_outs--;
+			memmove(hp_out + i, hp_out + i + 1,
+				sizeof(hp_out[0]) * (cfg->hp_outs - i));
+		}
+		memset(hp_out + cfg->hp_outs, 0,
+		       sizeof(hp_out[0]) * (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, line_out, cfg->line_outs);
+	sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
+			      cfg->speaker_outs);
+	sort_pins_by_sequence(cfg->hp_pins, hp_out, 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 inputs in the order of AUTO_PIN_* type */
+	sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
+	     compare_input_type, NULL);
+
+	/*
+	 * debug prints of the parsed results
+	 */
+	codec_info(codec, "autoconfig for %s: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
+		   codec->core.chip_name, 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"));
+	codec_info(codec, "   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]);
+	codec_info(codec, "   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]);
+	codec_info(codec, "   mono: mono_out=0x%x\n", cfg->mono_out_pin);
+	if (cfg->dig_outs)
+		codec_info(codec, "   dig-out=0x%x/0x%x\n",
+			   cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
+	codec_info(codec, "   inputs:\n");
+	for (i = 0; i < cfg->num_inputs; i++) {
+		codec_info(codec, "     %s=0x%x\n",
+			    hda_get_autocfg_input_label(codec, cfg, i),
+			    cfg->inputs[i].pin);
+	}
+	if (cfg->dig_in_pin)
+		codec_info(codec, "   dig-in=0x%x\n", cfg->dig_in_pin);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);
+
+/**
+ * snd_hda_get_input_pin_attr - Get the input pin attribute from pin config
+ * @def_conf: pin configuration value
+ *
+ * Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given
+ * default pin configuration value.
+ */
+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_GPL(snd_hda_get_input_pin_attr);
+
+/**
+ * hda_get_input_pin_label - Give a label for the given input pin
+ * @codec: the HDA codec
+ * @item: ping config item to refer
+ * @pin: the pin NID
+ * @check_location: flag to add the jack location prefix
+ *
+ * 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,
+					   const struct auto_pin_cfg_item *item,
+					   hda_nid_t pin, bool check_location)
+{
+	unsigned int def_conf;
+	static const char * const mic_names[] = {
+		"Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
+	};
+	int attr;
+
+	def_conf = snd_hda_codec_get_pincfg(codec, pin);
+
+	switch (get_defcfg_device(def_conf)) {
+	case AC_JACK_MIC_IN:
+		if (item && item->is_headset_mic)
+			return "Headset Mic";
+		if (item && item->is_headphone_mic)
+			return "Headphone Mic";
+		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";
+	case AC_JACK_HP_OUT:
+		return "Headphone Mic";
+	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
+ * @codec: the HDA codec
+ * @cfg: the parsed pin configuration
+ * @input: the input index number
+ *
+ * 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);
+	has_multiple_pins |= codec->force_pin_prefix;
+	return hda_get_input_pin_label(codec, &cfg->inputs[input],
+				       cfg->inputs[input].pin,
+				       has_multiple_pins);
+}
+EXPORT_SYMBOL_GPL(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 const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
+{
+	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
+	int attr = snd_hda_get_input_pin_attr(def_conf);
+
+	/* check the location */
+	switch (attr) {
+	case INPUT_PIN_ATTR_DOCK:
+		return "Dock ";
+	case INPUT_PIN_ATTR_FRONT:
+		return "Front ";
+	}
+	return "";
+}
+
+static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
+			      const hda_nid_t *pins, int num_pins)
+{
+	int i, j, idx = 0;
+
+	const char *pfx = check_output_pfx(codec, nid);
+
+	i = find_idx_in_nid_list(nid, pins, num_pins);
+	if (i < 0)
+		return -1;
+	for (j = 0; j < i; j++)
+		if (pfx == check_output_pfx(codec, pins[j]))
+			idx++;
+
+	return idx;
+}
+
+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";
+	pfx = check_output_pfx(codec, nid);
+
+	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 = get_hp_label_index(codec, nid, cfg->hp_pins,
+						     cfg->hp_outs);
+			if (idx >= 0 && indexp)
+				*indexp = idx;
+			sfx = "";
+		}
+	}
+	snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
+	return 1;
+}
+
+#define is_hdmi_cfg(conf) \
+	(get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
+
+/**
+ * snd_hda_get_pin_label - Get a label for the given I/O pin
+ * @codec: the HDA codec
+ * @nid: pin NID
+ * @cfg: the parsed pin configuration
+ * @label: the string buffer to store
+ * @maxlen: the max length of string buffer (including termination)
+ * @indexp: the pointer to return the index number (for multiple ctls)
+ *
+ * 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;
+	bool hdmi;
+
+	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:
+		hdmi = is_hdmi_cfg(def_conf);
+		name = hdmi ? "HDMI" : "SPDIF";
+		if (cfg && indexp)
+			for (i = 0; i < cfg->dig_outs; i++) {
+				hda_nid_t pin = cfg->dig_out_pins[i];
+				unsigned int c;
+				if (pin == nid)
+					break;
+				c = snd_hda_codec_get_pincfg(codec, pin);
+				if (hdmi == is_hdmi_cfg(c))
+					(*indexp)++;
+			}
+		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, NULL, nid, true);
+		break;
+	}
+	if (!name)
+		return 0;
+	strlcpy(label, name, maxlen);
+	return 1;
+}
+EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
+
+/**
+ * snd_hda_add_verbs - Add verbs to the init list
+ * @codec: the HDA codec
+ * @list: zero-terminated verb list to add
+ *
+ * Append the given verb list to the execution list.  The verbs will be
+ * performed at init and resume time via snd_hda_apply_verbs().
+ */
+int snd_hda_add_verbs(struct hda_codec *codec,
+		      const struct hda_verb *list)
+{
+	const struct hda_verb **v;
+	v = snd_array_new(&codec->verbs);
+	if (!v)
+		return -ENOMEM;
+	*v = list;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
+
+/**
+ * snd_hda_apply_verbs - Execute the init verb lists
+ * @codec: the HDA codec
+ */
+void snd_hda_apply_verbs(struct hda_codec *codec)
+{
+	const struct hda_verb **v;
+	int i;
+
+	snd_array_for_each(&codec->verbs, i, v)
+		snd_hda_sequence_write(codec, *v);
+}
+EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
+
+/**
+ * snd_hda_apply_pincfgs - Set each pin config in the given list
+ * @codec: the HDA codec
+ * @cfg: NULL-terminated pin config table
+ */
+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_GPL(snd_hda_apply_pincfgs);
+
+static void set_pin_targets(struct hda_codec *codec,
+			    const struct hda_pintbl *cfg)
+{
+	for (; cfg->nid; cfg++)
+		snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
+}
+
+static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
+{
+	const char *modelname = codec->fixup_name;
+
+	while (id >= 0) {
+		const struct hda_fixup *fix = codec->fixup_list + id;
+
+		if (++depth > 10)
+			break;
+		if (fix->chained_before)
+			apply_fixup(codec, fix->chain_id, action, depth + 1);
+
+		switch (fix->type) {
+		case HDA_FIXUP_PINS:
+			if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
+				break;
+			codec_dbg(codec, "%s: Apply pincfg for %s\n",
+				    codec->core.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;
+			codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
+				    codec->core.chip_name, modelname);
+			snd_hda_add_verbs(codec, fix->v.verbs);
+			break;
+		case HDA_FIXUP_FUNC:
+			if (!fix->v.func)
+				break;
+			codec_dbg(codec, "%s: Apply fix-func for %s\n",
+				    codec->core.chip_name, modelname);
+			fix->v.func(codec, fix, action);
+			break;
+		case HDA_FIXUP_PINCTLS:
+			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
+				break;
+			codec_dbg(codec, "%s: Apply pinctl for %s\n",
+				    codec->core.chip_name, modelname);
+			set_pin_targets(codec, fix->v.pins);
+			break;
+		default:
+			codec_err(codec, "%s: Invalid fixup type %d\n",
+				   codec->core.chip_name, fix->type);
+			break;
+		}
+		if (!fix->chained || fix->chained_before)
+			break;
+		id = fix->chain_id;
+	}
+}
+
+/**
+ * snd_hda_apply_fixup - Apply the fixup chain with the given action
+ * @codec: the HDA codec
+ * @action: fixup action (HDA_FIXUP_ACT_XXX)
+ */
+void snd_hda_apply_fixup(struct hda_codec *codec, int action)
+{
+	if (codec->fixup_list)
+		apply_fixup(codec, codec->fixup_id, action, 0);
+}
+EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
+
+#define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC))
+
+static bool pin_config_match(struct hda_codec *codec,
+			     const struct hda_pintbl *pins)
+{
+	const struct hda_pincfg *pin;
+	int i;
+
+	snd_array_for_each(&codec->init_pins, i, pin) {
+		hda_nid_t nid = pin->nid;
+		u32 cfg = pin->cfg;
+		const struct hda_pintbl *t_pins;
+		int found;
+
+		t_pins = pins;
+		found = 0;
+		for (; t_pins->nid; t_pins++) {
+			if (t_pins->nid == nid) {
+				found = 1;
+				if ((t_pins->val & IGNORE_SEQ_ASSOC) == (cfg & IGNORE_SEQ_ASSOC))
+					break;
+				else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
+					break;
+				else
+					return false;
+			}
+		}
+		if (!found && (cfg & 0xf0000000) != 0x40000000)
+			return false;
+	}
+
+	return true;
+}
+
+/**
+ * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
+ * @codec: the HDA codec
+ * @pin_quirk: zero-terminated pin quirk list
+ * @fixlist: the fixup list
+ */
+void snd_hda_pick_pin_fixup(struct hda_codec *codec,
+			    const struct snd_hda_pin_quirk *pin_quirk,
+			    const struct hda_fixup *fixlist)
+{
+	const struct snd_hda_pin_quirk *pq;
+
+	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
+		return;
+
+	for (pq = pin_quirk; pq->subvendor; pq++) {
+		if ((codec->core.subsystem_id & 0xffff0000) != (pq->subvendor << 16))
+			continue;
+		if (codec->core.vendor_id != pq->codec)
+			continue;
+		if (pin_config_match(codec, pq->pins)) {
+			codec->fixup_id = pq->value;
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+			codec->fixup_name = pq->name;
+			codec_dbg(codec, "%s: picked fixup %s (pin match)\n",
+				  codec->core.chip_name, codec->fixup_name);
+#endif
+			codec->fixup_list = fixlist;
+			return;
+		}
+	}
+}
+EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
+
+/**
+ * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
+ * @codec: the HDA codec
+ * @models: NULL-terminated model string list
+ * @quirk: zero-terminated PCI/codec SSID quirk list
+ * @fixlist: the fixup list
+ *
+ * Pick up a fixup entry matching with the given model string or SSID.
+ * If a fixup was already set beforehand, the function doesn't do anything.
+ * When a special model string "nofixup" is given, also no fixup is applied.
+ *
+ * The function tries to find the matching model name at first, if given.
+ * If nothing matched, try to look up the PCI SSID.
+ * If still nothing matched, try to look up the codec SSID.
+ */
+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)
+{
+	const struct snd_pci_quirk *q;
+	int id = HDA_FIXUP_ID_NOT_SET;
+	const char *name = NULL;
+
+	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
+		return;
+
+	/* when model=nofixup is given, don't pick up any fixups */
+	if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
+		codec->fixup_list = NULL;
+		codec->fixup_name = NULL;
+		codec->fixup_id = HDA_FIXUP_ID_NO_FIXUP;
+		codec_dbg(codec, "%s: picked no fixup (nofixup specified)\n",
+			  codec->core.chip_name);
+		return;
+	}
+
+	if (codec->modelname && models) {
+		while (models->name) {
+			if (!strcmp(codec->modelname, models->name)) {
+				codec->fixup_id = models->id;
+				codec->fixup_name = models->name;
+				codec->fixup_list = fixlist;
+				codec_dbg(codec, "%s: picked fixup %s (model specified)\n",
+					  codec->core.chip_name, codec->fixup_name);
+				return;
+			}
+			models++;
+		}
+	}
+	if (quirk) {
+		q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
+		if (q) {
+			id = q->value;
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+			name = q->name;
+			codec_dbg(codec, "%s: picked fixup %s (PCI SSID%s)\n",
+				  codec->core.chip_name, name, q->subdevice_mask ? "" : " - vendor generic");
+#endif
+		}
+	}
+	if (id < 0 && quirk) {
+		for (q = quirk; q->subvendor || q->subdevice; q++) {
+			unsigned int vendorid =
+				q->subdevice | (q->subvendor << 16);
+			unsigned int mask = 0xffff0000 | q->subdevice_mask;
+			if ((codec->core.subsystem_id & mask) == (vendorid & mask)) {
+				id = q->value;
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+				name = q->name;
+				codec_dbg(codec, "%s: picked fixup %s (codec SSID)\n",
+					  codec->core.chip_name, name);
+#endif
+				break;
+			}
+		}
+	}
+
+	codec->fixup_id = id;
+	if (id >= 0) {
+		codec->fixup_list = fixlist;
+		codec->fixup_name = name;
+	}
+}
+EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);