ALSA: hda - Fix HP dv6736 mic input

Fix the mic input of HP dv6736 with Conexant 5051 codec chip.
This laptop seems have no mic-switching per jack connection.
A new model hp-dv6736 is introduced to match with the h/w implementation.

Reference: Novell bnc#480753
	https://bugzilla.novell.com/show_bug.cgi?id=480753Signed-off-by: Takashi Iwai <tiwai@suse.de>

Documentation/sound/alsa/HD-Audio-Models.txt

@@ -262,6 +262,7 @@ Conexant 5051
 =============
   laptop	Basic Laptop config (default)
   hp		HP Spartan laptop
+  hp-dv6736	HP dv6736
   lenovo-x200	Lenovo X200 laptop
 
 STAC9200

sound/pci/hda/patch_conexant.c

@@ -72,6 +72,7 @@ struct conexant_spec {
 					 */
 	unsigned int cur_eapd;
 	unsigned int hp_present;
+	unsigned int no_auto_mic;
 	unsigned int need_dac_fix;
 
 	/* capture */
@@ -1665,8 +1666,11 @@ static int cxt5051_hp_master_sw_put(struct snd_kcontrol *kcontrol,
 /* toggle input of built-in and mic jack appropriately */
 static void cxt5051_portb_automic(struct hda_codec *codec)
 {
+	struct conexant_spec *spec = codec->spec;
 	unsigned int present;
 
+	if (spec->no_auto_mic)
+		return;
 	present = snd_hda_codec_read(codec, 0x17, 0,
 				     AC_VERB_GET_PIN_SENSE, 0) &
 		AC_PINSENSE_PRESENCE;
@@ -1682,6 +1686,8 @@ static void cxt5051_portc_automic(struct hda_codec *codec)
 	unsigned int present;
 	hda_nid_t new_adc;
 
+	if (spec->no_auto_mic)
+		return;
 	present = snd_hda_codec_read(codec, 0x18, 0,
 				     AC_VERB_GET_PIN_SENSE, 0) &
 		AC_PINSENSE_PRESENCE;
@@ -1768,6 +1774,22 @@ static struct snd_kcontrol_new cxt5051_hp_mixers[] = {
 	{}
 };
 
+static struct snd_kcontrol_new cxt5051_hp_dv6736_mixers[] = {
+	HDA_CODEC_VOLUME("Mic Volume", 0x14, 0x00, HDA_INPUT),
+	HDA_CODEC_MUTE("Mic Switch", 0x14, 0x00, HDA_INPUT),
+	HDA_CODEC_VOLUME("Master Playback Volume", 0x10, 0x00, HDA_OUTPUT),
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = "Master Playback Switch",
+		.info = cxt_eapd_info,
+		.get = cxt_eapd_get,
+		.put = cxt5051_hp_master_sw_put,
+		.private_value = 0x1a,
+	},
+
+	{}
+};
+
 static struct hda_verb cxt5051_init_verbs[] = {
 	/* Line in, Mic */
 	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0) | 0x03},
@@ -1798,6 +1820,32 @@ static struct hda_verb cxt5051_init_verbs[] = {
 	{ } /* end */
 };
 
+static struct hda_verb cxt5051_hp_dv6736_init_verbs[] = {
+	/* Line in, Mic */
+	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0) | 0x03},
+	{0x17, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
+	{0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0},
+	{0x1d, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0},
+	/* SPK  */
+	{0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
+	{0x1a, AC_VERB_SET_CONNECT_SEL, 0x00},
+	/* HP, Amp  */
+	{0x16, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP},
+	{0x16, AC_VERB_SET_CONNECT_SEL, 0x00},
+	/* DAC1 */
+	{0x10, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
+	/* Record selector: Int mic */
+	{0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1) | 0x44},
+	{0x14, AC_VERB_SET_CONNECT_SEL, 0x1},
+	/* SPDIF route: PCM */
+	{0x1c, AC_VERB_SET_CONNECT_SEL, 0x0},
+	/* EAPD */
+	{0x1a, AC_VERB_SET_EAPD_BTLENABLE, 0x2}, /* default on */
+	{0x16, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN|CONEXANT_HP_EVENT},
+	{0x17, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN|CXT5051_PORTB_EVENT},
+	{ } /* end */
+};
+
 static struct hda_verb cxt5051_lenovo_x200_init_verbs[] = {
 	/* Line in, Mic */
 	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0) | 0x03},
@@ -1849,6 +1897,7 @@ static int cxt5051_init(struct hda_codec *codec)
 enum {
 	CXT5051_LAPTOP,	 /* Laptops w/ EAPD support */
 	CXT5051_HP,	/* no docking */
+	CXT5051_HP_DV6736,	/* HP without mic switch */
 	CXT5051_LENOVO_X200,	/* Lenovo X200 laptop */
 	CXT5051_MODELS
 };
@@ -1856,10 +1905,12 @@ enum {
 static const char *cxt5051_models[CXT5051_MODELS] = {
 	[CXT5051_LAPTOP]	= "laptop",
 	[CXT5051_HP]		= "hp",
+	[CXT5051_HP_DV6736]	= "hp-dv6736",
 	[CXT5051_LENOVO_X200]	= "lenovo-x200",
 };
 
 static struct snd_pci_quirk cxt5051_cfg_tbl[] = {
+	SND_PCI_QUIRK(0x103c, 0x30cf, "HP DV6736", CXT5051_HP_DV6736),
 	SND_PCI_QUIRK(0x14f1, 0x0101, "Conexant Reference board",
 		      CXT5051_LAPTOP),
 	SND_PCI_QUIRK(0x14f1, 0x5051, "HP Spartan 1.1", CXT5051_HP),
@@ -1896,20 +1947,22 @@ static int patch_cxt5051(struct hda_codec *codec)
 	spec->cur_adc = 0;
 	spec->cur_adc_idx = 0;
 
+	codec->patch_ops.unsol_event = cxt5051_hp_unsol_event;
+
 	board_config = snd_hda_check_board_config(codec, CXT5051_MODELS,
 						  cxt5051_models,
 						  cxt5051_cfg_tbl);
 	switch (board_config) {
 	case CXT5051_HP:
-		codec->patch_ops.unsol_event = cxt5051_hp_unsol_event;
 		spec->mixers[0] = cxt5051_hp_mixers;
 		break;
+	case CXT5051_HP_DV6736:
+		spec->init_verbs[0] = cxt5051_hp_dv6736_init_verbs;
+		spec->mixers[0] = cxt5051_hp_dv6736_mixers;
+		spec->no_auto_mic = 1;
+		break;
 	case CXT5051_LENOVO_X200:
 		spec->init_verbs[0] = cxt5051_lenovo_x200_init_verbs;
-		/* fallthru */
-	default:
-	case CXT5051_LAPTOP:
-		codec->patch_ops.unsol_event = cxt5051_hp_unsol_event;
 		break;
 	}