1 files changed, 198 insertions, 71 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 4300a67..5dd3e89 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -36,9 +36,11 @@
 #include "hda_beep.h"
 
 #define NUM_CONTROL_ALLOC	32
+
+#define STAC_VREF_EVENT		0x00
+#define STAC_INSERT_EVENT	0x10
 #define STAC_PWR_EVENT		0x20
 #define STAC_HP_EVENT		0x30
-#define STAC_VREF_EVENT		0x40
 
 enum {
 	STAC_REF,
@@ -68,7 +70,9 @@ enum {
 
 enum {
 	STAC_92HD73XX_REF,
-	STAC_DELL_M6,
+	STAC_DELL_M6_AMIC,
+	STAC_DELL_M6_DMIC,
+	STAC_DELL_M6_BOTH,
 	STAC_DELL_EQ,
 	STAC_92HD73XX_MODELS
 };
@@ -82,6 +86,7 @@ enum {
 	STAC_92HD71BXX_REF,
 	STAC_DELL_M4_1,
 	STAC_DELL_M4_2,
+	STAC_DELL_M4_3,
 	STAC_HP_M4,
 	STAC_92HD71BXX_MODELS
 };
@@ -135,6 +140,7 @@ struct sigmatel_spec {
 	unsigned int num_mixers;
 
 	int board_config;
+	unsigned int eapd_switch: 1;
 	unsigned int surr_switch: 1;
 	unsigned int line_switch: 1;
 	unsigned int mic_switch: 1;
@@ -1598,13 +1604,17 @@ static unsigned int dell_m6_pin_configs[13] = {
 
 static unsigned int *stac92hd73xx_brd_tbl[STAC_92HD73XX_MODELS] = {
 	[STAC_92HD73XX_REF]	= ref92hd73xx_pin_configs,
-	[STAC_DELL_M6]	= dell_m6_pin_configs,
+	[STAC_DELL_M6_AMIC]	= dell_m6_pin_configs,
+	[STAC_DELL_M6_DMIC]	= dell_m6_pin_configs,
+	[STAC_DELL_M6_BOTH]	= dell_m6_pin_configs,
 	[STAC_DELL_EQ]	= dell_m6_pin_configs,
 };
 
 static const char *stac92hd73xx_models[STAC_92HD73XX_MODELS] = {
 	[STAC_92HD73XX_REF] = "ref",
-	[STAC_DELL_M6] = "dell-m6",
+	[STAC_DELL_M6_AMIC] = "dell-m6-amic",
+	[STAC_DELL_M6_DMIC] = "dell-m6-dmic",
+	[STAC_DELL_M6_BOTH] = "dell-m6",
 	[STAC_DELL_EQ] = "dell-eq",
 };
 
@@ -1613,19 +1623,23 @@ static struct snd_pci_quirk stac92hd73xx_cfg_tbl[] = {
 	SND_PCI_QUIRK(PCI_VENDOR_ID_INTEL, 0x2668,
 				"DFI LanParty", STAC_92HD73XX_REF),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0254,
-				"unknown Dell", STAC_DELL_M6),
+				"Dell Studio 1535", STAC_DELL_M6_DMIC),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0255,
-				"unknown Dell", STAC_DELL_M6),
+				"unknown Dell", STAC_DELL_M6_DMIC),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0256,
-				"unknown Dell", STAC_DELL_M6),
+				"unknown Dell", STAC_DELL_M6_BOTH),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0257,
-				"unknown Dell", STAC_DELL_M6),
+				"unknown Dell", STAC_DELL_M6_BOTH),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x025e,
-				"unknown Dell", STAC_DELL_M6),
+				"unknown Dell", STAC_DELL_M6_AMIC),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x025f,
-				"unknown Dell", STAC_DELL_M6),
+				"unknown Dell", STAC_DELL_M6_AMIC),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0271,
-				"unknown Dell", STAC_DELL_M6),
+				"unknown Dell", STAC_DELL_M6_DMIC),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0272,
+				"unknown Dell", STAC_DELL_M6_DMIC),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x029f,
+				"Dell Studio 1537", STAC_DELL_M6_DMIC),
 	{} /* terminator */
 };
 
@@ -1668,10 +1682,17 @@ static unsigned int dell_m4_2_pin_configs[11] = {
 	0x40f000f0, 0x044413b0, 0x044413b0,
 };
 
+static unsigned int dell_m4_3_pin_configs[11] = {
+	0x0421101f, 0x04a11221, 0x90a70330, 0x90170110,
+	0x40f000f0, 0x40f000f0, 0x40f000f0, 0x90a000f0,
+	0x40f000f0, 0x044413b0, 0x044413b0,
+};
+
 static unsigned int *stac92hd71bxx_brd_tbl[STAC_92HD71BXX_MODELS] = {
 	[STAC_92HD71BXX_REF] = ref92hd71bxx_pin_configs,
 	[STAC_DELL_M4_1]	= dell_m4_1_pin_configs,
 	[STAC_DELL_M4_2]	= dell_m4_2_pin_configs,
+	[STAC_DELL_M4_3]	= dell_m4_3_pin_configs,
 	[STAC_HP_M4]		= NULL,
 };
 
@@ -1679,6 +1700,7 @@ static const char *stac92hd71bxx_models[STAC_92HD71BXX_MODELS] = {
 	[STAC_92HD71BXX_REF] = "ref",
 	[STAC_DELL_M4_1] = "dell-m4-1",
 	[STAC_DELL_M4_2] = "dell-m4-2",
+	[STAC_DELL_M4_3] = "dell-m4-3",
 	[STAC_HP_M4] = "hp-m4",
 };
 
@@ -1686,6 +1708,10 @@ static struct snd_pci_quirk stac92hd71bxx_cfg_tbl[] = {
 	/* SigmaTel reference board */
 	SND_PCI_QUIRK(PCI_VENDOR_ID_INTEL, 0x2668,
 		      "DFI LanParty", STAC_92HD71BXX_REF),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x30f2,
+		      "HP dv5", STAC_HP_M4),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x30f4,
+		      "HP dv7", STAC_HP_M4),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x361a,
 				"unknown HP", STAC_HP_M4),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0233,
@@ -1710,6 +1736,8 @@ static struct snd_pci_quirk stac92hd71bxx_cfg_tbl[] = {
 				"unknown Dell", STAC_DELL_M4_2),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0264,
 				"unknown Dell", STAC_DELL_M4_2),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x02aa,
+				"unknown Dell", STAC_DELL_M4_3),
 	{} /* terminator */
 };
 
@@ -2587,8 +2615,10 @@ static struct snd_kcontrol_new stac92xx_control_templates[] = {
 };
 
 /* add dynamic controls */
-static int stac92xx_add_control_idx(struct sigmatel_spec *spec, int type,
-		int idx, const char *name, unsigned long val)
+static int stac92xx_add_control_temp(struct sigmatel_spec *spec,
+				     struct snd_kcontrol_new *ktemp,
+				     int idx, const char *name,
+				     unsigned long val)
 {
 	struct snd_kcontrol_new *knew;
 
@@ -2607,20 +2637,29 @@ static int stac92xx_add_control_idx(struct sigmatel_spec *spec, int type,
 	}
 
 	knew = &spec->kctl_alloc[spec->num_kctl_used];
-	*knew = stac92xx_control_templates[type];
+	*knew = *ktemp;
 	knew->index = idx;
 	knew->name = kstrdup(name, GFP_KERNEL);
-	if (! knew->name)
+	if (!knew->name)
 		return -ENOMEM;
 	knew->private_value = val;
 	spec->num_kctl_used++;
 	return 0;
 }
 
+static inline int stac92xx_add_control_idx(struct sigmatel_spec *spec,
+					   int type, int idx, const char *name,
+					   unsigned long val)
+{
+	return stac92xx_add_control_temp(spec,
+					 &stac92xx_control_templates[type],
+					 idx, name, val);
+}
+
 
 /* add dynamic controls */
-static int stac92xx_add_control(struct sigmatel_spec *spec, int type,
-		const char *name, unsigned long val)
+static inline int stac92xx_add_control(struct sigmatel_spec *spec, int type,
+				       const char *name, unsigned long val)
 {
 	return stac92xx_add_control_idx(spec, type, 0, name, val);
 }
@@ -2860,7 +2899,7 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec,
 			cfg->hp_outs && !spec->multiout.hp_nid)
 		spec->multiout.hp_nid = nid;
 
-	if (cfg->hp_outs > 1) {
+	if (cfg->hp_outs > 1 && cfg->line_out_type == AUTO_PIN_LINE_OUT) {
 		err = stac92xx_add_control(spec,
 			STAC_CTL_WIDGET_HP_SWITCH,
 			"Headphone as Line Out Switch",
@@ -3062,6 +3101,43 @@ static int stac92xx_auto_create_beep_ctls(struct hda_codec *codec,
 	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_INPUT_BEEP
+#define stac92xx_dig_beep_switch_info snd_ctl_boolean_mono_info
+
+static int stac92xx_dig_beep_switch_get(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	ucontrol->value.integer.value[0] = codec->beep->enabled;
+	return 0;
+}
+
+static int stac92xx_dig_beep_switch_put(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_value *ucontrol)
+{
+	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+	int enabled = !!ucontrol->value.integer.value[0];
+	if (codec->beep->enabled != enabled) {
+		codec->beep->enabled = enabled;
+		return 1;
+	}
+	return 0;
+}
+
+static struct snd_kcontrol_new stac92xx_dig_beep_ctrl = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.info = stac92xx_dig_beep_switch_info,
+	.get = stac92xx_dig_beep_switch_get,
+	.put = stac92xx_dig_beep_switch_put,
+};
+
+static int stac92xx_beep_switch_ctl(struct hda_codec *codec)
+{
+	return stac92xx_add_control_temp(codec->spec, &stac92xx_dig_beep_ctrl,
+					 0, "PC Beep Playback Switch", 0);
+}
+#endif
+
 static int stac92xx_auto_create_mux_input_ctls(struct hda_codec *codec)
 {
 	struct sigmatel_spec *spec = codec->spec;
@@ -3368,6 +3444,7 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 	if (spec->digbeep_nid > 0) {
 		hda_nid_t nid = spec->digbeep_nid;
+		unsigned int caps;
 
 		err = stac92xx_auto_create_beep_ctls(codec, nid);
 		if (err < 0)
@@ -3375,6 +3452,14 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
 		err = snd_hda_attach_beep_device(codec, nid);
 		if (err < 0)
 			return err;
+		/* if no beep switch is available, make its own one */
+		caps = query_amp_caps(codec, nid, HDA_OUTPUT);
+		if (codec->beep &&
+		    !((caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT)) {
+			err = stac92xx_beep_switch_ctl(codec);
+			if (err < 0)
+				return err;
+		}
 	}
 #endif
 
@@ -3620,10 +3705,14 @@ static void stac92xx_power_down(struct hda_codec *codec)
 					AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
 }
 
+static void stac_toggle_power_map(struct hda_codec *codec, hda_nid_t nid,
+				  int enable);
+
 static int stac92xx_init(struct hda_codec *codec)
 {
 	struct sigmatel_spec *spec = codec->spec;
 	struct auto_pin_cfg *cfg = &spec->autocfg;
+	unsigned int gpio;
 	int i;
 
 	snd_hda_sequence_write(codec, spec->init);
@@ -3634,6 +3723,16 @@ static int stac92xx_init(struct hda_codec *codec)
 			snd_hda_codec_write_cache(codec,
 				spec->adc_nids[i], 0,
 				AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
+
+	/* set up GPIO */
+	gpio = spec->gpio_data;
+	/* turn on EAPD statically when spec->eapd_switch isn't set.
+	 * otherwise, unsol event will turn it on/off dynamically
+	 */
+	if (!spec->eapd_switch)
+		gpio |= spec->eapd_mask;
+	stac_gpio_set(codec, spec->gpio_mask, spec->gpio_dir, gpio);
+
 	/* set up pins */
 	if (spec->hp_detect) {
 		/* Enable unsolicited responses on the HP widget */
@@ -3673,39 +3772,43 @@ static int stac92xx_init(struct hda_codec *codec)
 	for (i = 0; i < spec->num_dmics; i++)
 		stac92xx_auto_set_pinctl(codec, spec->dmic_nids[i],
 					AC_PINCTL_IN_EN);
+	if (cfg->dig_out_pin)
+		stac92xx_auto_set_pinctl(codec, cfg->dig_out_pin,
+					 AC_PINCTL_OUT_EN);
+	if (cfg->dig_in_pin)
+		stac92xx_auto_set_pinctl(codec, cfg->dig_in_pin,
+					 AC_PINCTL_IN_EN);
 	for (i = 0; i < spec->num_pwrs; i++)  {
-		int event = is_nid_hp_pin(cfg, spec->pwr_nids[i])
-					? STAC_HP_EVENT : STAC_PWR_EVENT;
-		int pinctl = snd_hda_codec_read(codec, spec->pwr_nids[i],
-					0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
-		int def_conf = snd_hda_codec_read(codec, spec->pwr_nids[i],
-					0, AC_VERB_GET_CONFIG_DEFAULT, 0);
-		def_conf = get_defcfg_connect(def_conf);
+		hda_nid_t nid = spec->pwr_nids[i];
+		int pinctl, def_conf;
+		int event = STAC_PWR_EVENT;
+
+		if (is_nid_hp_pin(cfg, nid) && spec->hp_detect)
+			continue; /* already has an unsol event */
+
+		pinctl = snd_hda_codec_read(codec, nid, 0,
+					    AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 		/* outputs are only ports capable of power management
 		 * any attempts on powering down a input port cause the
 		 * referenced VREF to act quirky.
 		 */
 		if (pinctl & AC_PINCTL_IN_EN)
 			continue;
+		def_conf = snd_hda_codec_read(codec, nid, 0,
+					      AC_VERB_GET_CONFIG_DEFAULT, 0);
+		def_conf = get_defcfg_connect(def_conf);
 		/* skip any ports that don't have jacks since presence
  		 * detection is useless */
-		if (def_conf && def_conf != AC_JACK_PORT_FIXED)
+		if (def_conf != AC_JACK_PORT_COMPLEX) {
+			if (def_conf != AC_JACK_PORT_NONE)
+				stac_toggle_power_map(codec, nid, 1);
 			continue;
+		}
 		enable_pin_detect(codec, spec->pwr_nids[i], event | i);
 		codec->patch_ops.unsol_event(codec, (event | i) << 26);
 	}
 	if (spec->dac_list)
 		stac92xx_power_down(codec);
-	if (cfg->dig_out_pin)
-		stac92xx_auto_set_pinctl(codec, cfg->dig_out_pin,
-					 AC_PINCTL_OUT_EN);
-	if (cfg->dig_in_pin)
-		stac92xx_auto_set_pinctl(codec, cfg->dig_in_pin,
-					 AC_PINCTL_IN_EN);
-
-	stac_gpio_set(codec, spec->gpio_mask,
-					spec->gpio_dir, spec->gpio_data);
-
 	return 0;
 }
 
@@ -3838,7 +3941,7 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res)
 		for (i = 0; i < cfg->speaker_outs; i++)
 			stac92xx_reset_pinctl(codec, cfg->speaker_pins[i],
 						AC_PINCTL_OUT_EN);
-		if (spec->eapd_mask)
+		if (spec->eapd_mask && spec->eapd_switch)
 			stac_gpio_set(codec, spec->gpio_mask,
 				spec->gpio_dir, spec->gpio_data &
 				~spec->eapd_mask);
@@ -3853,7 +3956,7 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res)
 		for (i = 0; i < cfg->speaker_outs; i++)
 			stac92xx_set_pinctl(codec, cfg->speaker_pins[i],
 						AC_PINCTL_OUT_EN);
-		if (spec->eapd_mask)
+		if (spec->eapd_mask && spec->eapd_switch)
 			stac_gpio_set(codec, spec->gpio_mask,
 				spec->gpio_dir, spec->gpio_data |
 				spec->eapd_mask);
@@ -3870,14 +3973,18 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res)
 	}
 } 
 
-static void stac92xx_pin_sense(struct hda_codec *codec, int idx)
+static void stac_toggle_power_map(struct hda_codec *codec, hda_nid_t nid,
+				  int enable)
 {
 	struct sigmatel_spec *spec = codec->spec;
-	hda_nid_t nid = spec->pwr_nids[idx];
-	int presence, val;
-	val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0)
-							& 0x000000ff;
-	presence = get_hp_pin_presence(codec, nid);
+	unsigned int idx, val;
+
+	for (idx = 0; idx < spec->num_pwrs; idx++) {
+		if (spec->pwr_nids[idx] == nid)
+			break;
+	}
+	if (idx >= spec->num_pwrs)
+		return;
 
 	/* several codecs have two power down bits */
 	if (spec->pwr_mapping)
@@ -3885,14 +3992,20 @@ static void stac92xx_pin_sense(struct hda_codec *codec, int idx)
 	else
 		idx = 1 << idx;
 
-	if (presence)
+	val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0) & 0xff;
+	if (enable)
 		val &= ~idx;
 	else
 		val |= idx;
 
 	/* power down unused output ports */
 	snd_hda_codec_write(codec, codec->afg, 0, 0x7ec, val);
-};
+}
+
+static void stac92xx_pin_sense(struct hda_codec *codec, hda_nid_t nid)
+{
+	stac_toggle_power_map(codec, nid, get_hp_pin_presence(codec, nid));
+}
 
 static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res)
 {
@@ -4176,31 +4289,29 @@ again:
 	case STAC_DELL_EQ:
 		spec->init = dell_eq_core_init;
 		/* fallthru */
-	case STAC_DELL_M6:
+	case STAC_DELL_M6_AMIC:
+	case STAC_DELL_M6_DMIC:
+	case STAC_DELL_M6_BOTH:
 		spec->num_smuxes = 0;
 		spec->mixer = &stac92hd73xx_6ch_mixer[DELL_M6_MIXER];
 		spec->amp_nids = &stac92hd73xx_amp_nids[DELL_M6_AMP];
+		spec->eapd_switch = 0;
 		spec->num_amps = 1;
 
 		if (!spec->init)
 			spec->init = dell_m6_core_init;
-		switch (codec->subsystem_id) {
-		case 0x1028025e: /* Analog Mics */
-		case 0x1028025f:
+		switch (spec->board_config) {
+		case STAC_DELL_M6_AMIC: /* Analog Mics */
 			stac92xx_set_config_reg(codec, 0x0b, 0x90A70170);
 			spec->num_dmics = 0;
 			spec->private_dimux.num_items = 1;
 			break;
-		case 0x10280271: /* Digital Mics */
-		case 0x10280272:
-		case 0x10280254:
-		case 0x10280255:
+		case STAC_DELL_M6_DMIC: /* Digital Mics */
 			stac92xx_set_config_reg(codec, 0x13, 0x90A60160);
 			spec->num_dmics = 1;
 			spec->private_dimux.num_items = 2;
 			break;
-		case 0x10280256: /* Both */
-		case 0x10280057:
+		case STAC_DELL_M6_BOTH: /* Both */
 			stac92xx_set_config_reg(codec, 0x0b, 0x90A70170);
 			stac92xx_set_config_reg(codec, 0x13, 0x90A60160);
 			spec->num_dmics = 1;
@@ -4211,6 +4322,7 @@ again:
 	default:
 		spec->num_dmics = STAC92HD73XX_NUM_DMICS;
 		spec->num_smuxes = ARRAY_SIZE(stac92hd73xx_smux_nids);
+		spec->eapd_switch = 1;
 	}
 	if (spec->board_config > STAC_92HD73XX_REF) {
 		/* GPIO0 High = Enable EAPD */
@@ -4356,7 +4468,13 @@ static int stac92hd71xx_resume(struct hda_codec *codec)
 
 static int stac92hd71xx_suspend(struct hda_codec *codec, pm_message_t state)
 {
+	struct sigmatel_spec *spec = codec->spec;
+
 	stac92hd71xx_set_power_state(codec, AC_PWRST_D3);
+	if (spec->eapd_mask)
+		stac_gpio_set(codec, spec->gpio_mask,
+				spec->gpio_dir, spec->gpio_data &
+				~spec->eapd_mask);
 	return 0;
 };
 
@@ -4419,6 +4537,13 @@ again:
 		stac92xx_set_config_regs(codec);
 	}
 
+	if (spec->board_config > STAC_92HD71BXX_REF) {
+		/* GPIO0 = EAPD */
+		spec->gpio_mask = 0x01;
+		spec->gpio_dir = 0x01;
+		spec->gpio_data = 0x01;
+	}
+
 	switch (codec->vendor_id) {
 	case 0x111d76b6: /* 4 Port without Analog Mixer */
 	case 0x111d76b7:
@@ -4429,10 +4554,10 @@ again:
 		codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs;
 		break;
 	case 0x111d7608: /* 5 Port with Analog Mixer */
-		switch (codec->subsystem_id) {
-		case 0x103c361a:
+		switch (spec->board_config) {
+		case STAC_HP_M4:
 			/* Enable VREF power saving on GPIO1 detect */
-			snd_hda_codec_write(codec, codec->afg, 0,
+			snd_hda_codec_write_cache(codec, codec->afg, 0,
 				AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, 0x02);
 			snd_hda_codec_write_cache(codec, codec->afg, 0,
 					AC_VERB_SET_UNSOLICITED_ENABLE,
@@ -4478,13 +4603,6 @@ again:
 	spec->aloopback_mask = 0x50;
 	spec->aloopback_shift = 0;
 
-	if (spec->board_config > STAC_92HD71BXX_REF) {
-		/* GPIO0 = EAPD */
-		spec->gpio_mask = 0x01;
-		spec->gpio_dir = 0x01;
-		spec->gpio_data = 0x01;
-	}
-
 	spec->powerdown_adcs = 1;
 	spec->digbeep_nid = 0x26;
 	spec->mux_nids = stac92hd71bxx_mux_nids;
@@ -4499,14 +4617,21 @@ again:
 
 	switch (spec->board_config) {
 	case STAC_HP_M4:
-		spec->num_dmics = 0;
-		spec->num_smuxes = 0;
-		spec->num_dmuxes = 0;
-
 		/* enable internal microphone */
 		stac92xx_set_config_reg(codec, 0x0e, 0x01813040);
 		stac92xx_auto_set_pinctl(codec, 0x0e,
 			AC_PINCTL_IN_EN | AC_PINCTL_VREF_80);
+		/* fallthru */
+	case STAC_DELL_M4_2:
+		spec->num_dmics = 0;
+		spec->num_smuxes = 0;
+		spec->num_dmuxes = 0;
+		break;
+	case STAC_DELL_M4_1:
+	case STAC_DELL_M4_3:
+		spec->num_dmics = 1;
+		spec->num_smuxes = 0;
+		spec->num_dmuxes = 0;
 		break;
 	default:
 		spec->num_dmics = STAC92HD71BXX_NUM_DMICS;
@@ -4743,6 +4868,7 @@ static int patch_stac927x(struct hda_codec *codec)
 	spec->num_pwrs = 0;
 	spec->aloopback_mask = 0x40;
 	spec->aloopback_shift = 0;
+	spec->eapd_switch = 1;
 
 	err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);
 	if (!err) {
@@ -4823,6 +4949,7 @@ static int patch_stac9205(struct hda_codec *codec)
 
 	spec->aloopback_mask = 0x40;
 	spec->aloopback_shift = 0;
+	spec->eapd_switch = 1;
 	spec->multiout.dac_nids = spec->dac_nids;
 	
 	switch (spec->board_config){
@@ -4832,7 +4959,7 @@ static int patch_stac9205(struct hda_codec *codec)
 		stac92xx_set_config_reg(codec, 0x20, 0x1c410030);
 
 		/* Enable unsol response for GPIO4/Dock HP connection */
-		snd_hda_codec_write(codec, codec->afg, 0,
+		snd_hda_codec_write_cache(codec, codec->afg, 0,
 			AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, 0x10);
 		snd_hda_codec_write_cache(codec, codec->afg, 0,
 					  AC_VERB_SET_UNSOLICITED_ENABLE,