Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - Check model for Dell 92HD73xx laptops
  ALSA: hda - mark Dell studio 1535 quirk
  ALSA: hda - No 'Headphone as Line-out' swich without line-outs
  ALSA: hda - Fix AFG power management on IDT 92HD* codecs
  ALSA: hda - Fix caching of SPDIF status bits
  ALSA: hda - Add a quirk for Dell Studio 15
  ALSA: hda: Add STAC_DELL_M4_3 quirk
  sound/sound_core: Fix sparse warnings
  ALSA: hda: STAC_DELL_M6 EAPD

Documentation/sound/alsa/ALSA-Configuration.txt

@@ -1072,10 +1072,13 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 	  ref		Reference board
 	  dell-m4-1	Dell desktops
 	  dell-m4-2	Dell desktops
+	  dell-m4-3	Dell desktops
 
 	STAC92HD73*
 	  ref		Reference board
-	  dell-m6	Dell desktops
+	  dell-m6-amic	Dell desktops/laptops with analog mics
+	  dell-m6-dmic	Dell desktops/laptops with digital mics
+	  dell-m6	Dell desktops/laptops with both type of mics
 
 	STAC9872
 	  vaio		Setup for VAIO FE550G/SZ110

sound/pci/hda/hda_codec.c

@@ -1436,12 +1436,12 @@ static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
 {
 	hda_nid_t *d;
 
-	snd_hda_codec_write(codec, nid, 0, verb, val);
+	snd_hda_codec_write_cache(codec, nid, 0, verb, val);
 	d = codec->slave_dig_outs;
 	if (!d)
 		return;
 	for (; *d; d++)
-		snd_hda_codec_write(codec, *d, 0, verb, val);
+		snd_hda_codec_write_cache(codec, *d, 0, verb, val);
 }
 
 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,

sound/pci/hda/patch_sigmatel.c

@@ -70,7 +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
 };
@@ -84,6 +86,7 @@ enum {
 	STAC_92HD71BXX_REF,
 	STAC_DELL_M4_1,
 	STAC_DELL_M4_2,
+	STAC_DELL_M4_3,
 	STAC_HP_M4,
 	STAC_92HD71BXX_MODELS
 };
@@ -137,6 +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;
@@ -1600,13 +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",
 };
 
@@ -1615,19 +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 */
 };
 
@@ -1670,10 +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,
 };
 
@@ -1681,6 +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",
 };
 
@@ -1716,6 +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 */
 };
 
@@ -2877,7 +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",
@@ -3683,10 +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);
@@ -3697,6 +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 */
@@ -3736,39 +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);
-	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);
-		/* 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;
-		/* skip any ports that don't have jacks since presence
- 		 * detection is useless */
-		if (def_conf && def_conf != AC_JACK_PORT_FIXED)
-			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);
+	for (i = 0; i < spec->num_pwrs; i++)  {
+		hda_nid_t nid = spec->pwr_nids[i];
+		int pinctl, def_conf;
+		int event = STAC_PWR_EVENT;
 
-	stac_gpio_set(codec, spec->gpio_mask,
+		if (is_nid_hp_pin(cfg, nid) && spec->hp_detect)
-					spec->gpio_dir, spec->gpio_data);
+			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 != 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);
 	return 0;
 }
 
@@ -3901,7 +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);
@@ -3916,7 +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);
@@ -3933,14 +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];
+	unsigned int idx, val;
-	int presence, val;
+
-	val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0)
+	for (idx = 0; idx < spec->num_pwrs; idx++) {
-							& 0x000000ff;
+		if (spec->pwr_nids[idx] == nid)
-	presence = get_hp_pin_presence(codec, nid);
+			break;
+	}
+	if (idx >= spec->num_pwrs)
+		return;
 
 	/* several codecs have two power down bits */
 	if (spec->pwr_mapping)
@@ -3948,14 +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)
 {
@@ -4239,31 +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) {
+		switch (spec->board_config) {
-		case 0x1028025e: /* Analog Mics */
+		case STAC_DELL_M6_AMIC: /* Analog Mics */
-		case 0x1028025f:
 			stac92xx_set_config_reg(codec, 0x0b, 0x90A70170);
 			spec->num_dmics = 0;
 			spec->private_dimux.num_items = 1;
 			break;
-		case 0x10280271: /* Digital Mics */
+		case STAC_DELL_M6_DMIC: /* Digital Mics */
-		case 0x10280272:
-		case 0x10280254:
-		case 0x10280255:
 			stac92xx_set_config_reg(codec, 0x13, 0x90A60160);
 			spec->num_dmics = 1;
 			spec->private_dimux.num_items = 2;
 			break;
-		case 0x10280256: /* Both */
+		case STAC_DELL_M6_BOTH: /* Both */
-		case 0x10280057:
 			stac92xx_set_config_reg(codec, 0x0b, 0x90A70170);
 			stac92xx_set_config_reg(codec, 0x13, 0x90A60160);
 			spec->num_dmics = 1;
@@ -4274,6 +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 */
@@ -4419,7 +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;
 };
 
@@ -4562,14 +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;
@@ -4806,6 +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) {
@@ -4886,6 +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){

sound/sound_core.c

@@ -457,7 +457,7 @@ EXPORT_SYMBOL(unregister_sound_mixer);
 
 void unregister_sound_midi(int unit)
 {
-	return sound_remove_unit(&chains[2], unit);
+	sound_remove_unit(&chains[2], unit);
 }
 
 EXPORT_SYMBOL(unregister_sound_midi);
@@ -474,7 +474,7 @@ EXPORT_SYMBOL(unregister_sound_midi);
 
 void unregister_sound_dsp(int unit)
 {
-	return sound_remove_unit(&chains[3], unit);
+	sound_remove_unit(&chains[3], unit);
 }
 
 
@@ -507,7 +507,7 @@ static struct sound_unit *__look_for_unit(int chain, int unit)
 	return NULL;
 }
 
-int soundcore_open(struct inode *inode, struct file *file)
+static int soundcore_open(struct inode *inode, struct file *file)
 {
 	int chain;
 	int unit = iminor(inode);