4 files changed, 209 insertions, 73 deletions

diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c
index 9b77b3e0fa9..3ecd7e797de 100644
--- a/sound/pci/hda/hda_beep.c
+++ b/sound/pci/hda/hda_beep.c
@@ -37,6 +37,9 @@ static void snd_hda_generate_beep(struct work_struct *work)
                 container_of(work, struct hda_beep, beep_work);
         struct hda_codec *codec = beep->codec;
 
+        if (!beep->enabled)
+                return;
+
         /* generate tone */
         snd_hda_codec_write_cache(codec, beep->nid, 0,
                         AC_VERB_SET_BEEP_CONTROL, beep->tone);
@@ -85,6 +88,10 @@ int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
         snprintf(beep->phys, sizeof(beep->phys),
                 "card%d/codec#%d/beep0", codec->bus->card->number, codec->addr);
         input_dev = input_allocate_device();
+        if (!input_dev) {
+                kfree(beep);
+                return -ENOMEM;
+        }
 
         /* setup digital beep device */
         input_dev->name = "HDA Digital PCBeep";
@@ -115,6 +122,7 @@ int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
         beep->nid = nid;
         beep->dev = input_dev;
         beep->codec = codec;
+        beep->enabled = 1;
         codec->beep = beep;
 
         INIT_WORK(&beep->beep_work, &snd_hda_generate_beep);
diff --git a/sound/pci/hda/hda_beep.h b/sound/pci/hda/hda_beep.h
index de4036e6e71..b9679f081ca 100644
--- a/sound/pci/hda/hda_beep.h
+++ b/sound/pci/hda/hda_beep.h
@@ -31,6 +31,7 @@ struct hda_beep {
         char phys[32];
         int tone;
         int nid;
+        int enabled;
         struct work_struct beep_work; /* scheduled task for beep event */
 };
 
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index ba1ab737b55..eb9164176da 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/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,
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 4300a679cd8..5dd3e89f620 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,