10 files changed, 186 insertions, 107 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 916a1863af73..e44b107fdc75 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2331,6 +2331,39 @@ int snd_hda_codec_reset(struct hda_codec *codec)
         return 0;
 }
 
+typedef int (*map_slave_func_t)(void *, struct snd_kcontrol *);
+
+/* apply the function to all matching slave ctls in the mixer list */
+static int map_slaves(struct hda_codec *codec, const char * const *slaves,
+                      map_slave_func_t func, void *data) 
+{
+        struct hda_nid_item *items;
+        const char * const *s;
+        int i, err;
+
+        items = codec->mixers.list;
+        for (i = 0; i < codec->mixers.used; i++) {
+                struct snd_kcontrol *sctl = items[i].kctl;
+                if (!sctl || !sctl->id.name ||
+                    sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
+                        continue;
+                for (s = slaves; *s; s++) {
+                        if (!strcmp(sctl->id.name, *s)) {
+                                err = func(data, sctl);
+                                if (err)
+                                        return err;
+                                break;
+                        }
+                }
+        }
+        return 0;
+}
+
+static int check_slave_present(void *data, struct snd_kcontrol *sctl)
+{
+        return 1;
+}
+
 /**
  * snd_hda_add_vmaster - create a virtual master control and add slaves
  * @codec: HD-audio codec
@@ -2351,12 +2384,10 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
                         unsigned int *tlv, const char * const *slaves)
 {
         struct snd_kcontrol *kctl;
-        const char * const *s;
         int err;
 
-        for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
-                ;
-        if (!*s) {
+        err = map_slaves(codec, slaves, check_slave_present, NULL);
+        if (err != 1) {
                 snd_printdd("No slave found for %s\n", name);
                 return 0;
         }
@@ -2367,23 +2398,10 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
         if (err < 0)
                 return err;
 
-        for (s = slaves; *s; s++) {
-                struct snd_kcontrol *sctl;
-                int i = 0;
-                for (;;) {
-                        sctl = _snd_hda_find_mixer_ctl(codec, *s, i);
-                        if (!sctl) {
-                                if (!i)
-                                        snd_printdd("Cannot find slave %s, "
-                                                    "skipped\n", *s);
-                                break;
-                        }
-                        err = snd_ctl_add_slave(kctl, sctl);
-                        if (err < 0)
-                                return err;
-                        i++;
-                }
-        }
+        err = map_slaves(codec, slaves, (map_slave_func_t)snd_ctl_add_slave,
+                         kctl);
+        if (err < 0)
+                return err;
         return 0;
 }
 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
@@ -4752,6 +4770,7 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
         memset(sequences_hp, 0, sizeof(sequences_hp));
         assoc_line_out = 0;
 
+        codec->ignore_misc_bit = true;
         end_nid = codec->start_nid + codec->num_nodes;
         for (nid = codec->start_nid; nid < end_nid; nid++) {
                 unsigned int wid_caps = get_wcaps(codec, nid);
@@ -4767,6 +4786,9 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
                         continue;
 
                 def_conf = snd_hda_codec_get_pincfg(codec, nid);
+                if (!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
+                      AC_DEFCFG_MISC_NO_PRESENCE))
+                        codec->ignore_misc_bit = false;
                 conn = get_defcfg_connect(def_conf);
                 if (conn == AC_JACK_PORT_NONE)
                         continue;
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 755f2b0f9d8e..564471169cae 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -854,6 +854,7 @@ struct hda_codec {
         unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
         unsigned int pins_shutup:1;     /* pins are shut up */
         unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
+        unsigned int ignore_misc_bit:1; /* ignore MISC_NO_PRESENCE bit */
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         unsigned int power_on :1;       /* current (global) power-state */
         unsigned int power_transition :1; /* power-state in transition */
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 1c8ddf547a2d..7ae7578bdcc0 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -297,10 +297,18 @@ static int hdmi_update_eld(struct hdmi_eld *e,
                                         buf + ELD_FIXED_BYTES + mnl + 3 * i);
         }
 
+        /*
+         * HDMI sink's ELD info cannot always be retrieved for now, e.g.
+         * in console or for audio devices. Assume the highest speakers
+         * configuration, to _not_ prohibit multi-channel audio playback.
+         */
+        if (!e->spk_alloc)
+                e->spk_alloc = 0xffff;
+
+        e->eld_valid = true;
         return 0;
 
 out_fail:
-        e->eld_ver = 0;
         return -EINVAL;
 }
 
@@ -323,9 +331,6 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld,
          * ELD is valid, actual eld_size is assigned in hdmi_update_eld()
          */
 
-        if (!eld->eld_valid)
-                return -ENOENT;
-
         size = snd_hdmi_get_eld_size(codec, nid);
         if (size == 0) {
                 /* wfg: workaround for ASUS P5E-VM HDMI board */
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index dcbea0da0fa2..618ddad17236 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -510,13 +510,15 @@ int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
 
 static inline bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
 {
-        return (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT) &&
-                /* disable MISC_NO_PRESENCE check because it may break too
-                 * many devices
-                 */
-                /*(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid) &
-                  AC_DEFCFG_MISC_NO_PRESENCE)) &&*/
-                (get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP);
+        if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT))
+                return false;
+        if (!codec->ignore_misc_bit &&
+            (get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
+             AC_DEFCFG_MISC_NO_PRESENCE))
+                return false;
+        if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP))
+                return false;
+        return true;
 }
 
 /* flags for hda_nid_item */
@@ -651,6 +653,9 @@ struct hdmi_eld {
         int     spk_alloc;
         int     sad_count;
         struct cea_sad sad[ELD_MAX_SAD];
+        /*
+         * all fields above eld_buffer will be cleared before updating ELD
+         */
         char    eld_buffer[ELD_MAX_SIZE];
 #ifdef CONFIG_PROC_FS
         struct snd_info_entry *proc_entry;
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 2a2d8645ba09..2fbab8e29576 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -237,6 +237,15 @@ static int cs_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
         return snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
 }
 
+static void cs_update_input_select(struct hda_codec *codec)
+{
+        struct cs_spec *spec = codec->spec;
+        if (spec->cur_adc)
+                snd_hda_codec_write(codec, spec->cur_adc, 0,
+                                    AC_VERB_SET_CONNECT_SEL,
+                                    spec->adc_idx[spec->cur_input]);
+}
+
 /*
  * Analog capture
  */
@@ -250,6 +259,7 @@ static int cs_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
         spec->cur_adc = spec->adc_nid[spec->cur_input];
         spec->cur_adc_stream_tag = stream_tag;
         spec->cur_adc_format = format;
+        cs_update_input_select(codec);
         snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format);
         return 0;
 }
@@ -689,10 +699,8 @@ static int change_cur_input(struct hda_codec *codec, unsigned int idx,
                                            spec->cur_adc_stream_tag, 0,
                                            spec->cur_adc_format);
         }
-        snd_hda_codec_write(codec, spec->cur_adc, 0,
-                            AC_VERB_SET_CONNECT_SEL,
-                            spec->adc_idx[idx]);
         spec->cur_input = idx;
+        cs_update_input_select(codec);
         return 1;
 }
 
@@ -973,10 +981,7 @@ static void cs_automic(struct hda_codec *codec)
                 } else  {
                         spec->cur_input = spec->last_input;
                 }
-
-                snd_hda_codec_write_cache(codec, spec->cur_adc, 0,
-                                        AC_VERB_SET_CONNECT_SEL,
-                                        spec->adc_idx[spec->cur_input]);
+                cs_update_input_select(codec);
         } else {
                 if (present)
                         change_cur_input(codec, spec->automic_idx, 0);
@@ -1073,9 +1078,7 @@ static void init_input(struct hda_codec *codec)
                         cs_automic(codec);
                 else  {
                         spec->cur_adc = spec->adc_nid[spec->cur_input];
-                        snd_hda_codec_write(codec, spec->cur_adc, 0,
-                                        AC_VERB_SET_CONNECT_SEL,
-                                        spec->adc_idx[spec->cur_input]);
+                        cs_update_input_select(codec);
                 }
         } else {
                 change_cur_input(codec, spec->cur_input, 1);
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 5e706e4d1737..0de21193a2b0 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3062,7 +3062,6 @@ static const struct snd_pci_quirk cxt5066_cfg_tbl[] = {
         SND_PCI_QUIRK(0x1043, 0x1993, "Asus U50F", CXT5066_ASUS),
         SND_PCI_QUIRK(0x1179, 0xff1e, "Toshiba Satellite C650D", CXT5066_IDEAPAD),
         SND_PCI_QUIRK(0x1179, 0xff50, "Toshiba Satellite P500-PSPGSC-01800T", CXT5066_OLPC_XO_1_5),
-        SND_PCI_QUIRK(0x1179, 0xffe0, "Toshiba Satellite Pro T130-15F", CXT5066_OLPC_XO_1_5),
         SND_PCI_QUIRK(0x14f1, 0x0101, "Conexant Reference board",
                       CXT5066_LAPTOP),
         SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT5066_OLPC_XO_1_5),
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 81b7b791b3c3..9850c5b481ea 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -65,7 +65,10 @@ struct hdmi_spec_per_pin {
         hda_nid_t pin_nid;
         int num_mux_nids;
         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
+
+        struct hda_codec *codec;
         struct hdmi_eld sink_eld;
+        struct delayed_work work;
 };
 
 struct hdmi_spec {
@@ -745,8 +748,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
  * Unsolicited events
  */
 
-static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
-                               struct hdmi_eld *eld);
+static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry);
 
 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 {
@@ -755,7 +757,6 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
         int pd = !!(res & AC_UNSOL_RES_PD);
         int eldv = !!(res & AC_UNSOL_RES_ELDV);
         int pin_idx;
-        struct hdmi_eld *eld;
 
         printk(KERN_INFO
                 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
@@ -764,17 +765,8 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
         if (pin_idx < 0)
                 return;
-        eld = &spec->pins[pin_idx].sink_eld;
-
-        hdmi_present_sense(codec, pin_nid, eld);
 
-        /*
-         * HDMI sink's ELD info cannot always be retrieved for now, e.g.
-         * in console or for audio devices. Assume the highest speakers
-         * configuration, to _not_ prohibit multi-channel audio playback.
-         */
-        if (!eld->spk_alloc)
-                eld->spk_alloc = 0xffff;
+        hdmi_present_sense(&spec->pins[pin_idx], true);
 }
 
 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
@@ -968,9 +960,11 @@ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
         return 0;
 }
 
-static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
-                               struct hdmi_eld *eld)
+static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry)
 {
+        struct hda_codec *codec = per_pin->codec;
+        struct hdmi_eld *eld = &per_pin->sink_eld;
+        hda_nid_t pin_nid = per_pin->pin_nid;
         /*
          * Always execute a GetPinSense verb here, even when called from
          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
@@ -980,26 +974,39 @@ static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
          * the unsolicited response to avoid custom WARs.
          */
         int present = snd_hda_pin_sense(codec, pin_nid);
+        bool eld_valid = false;
 
-        memset(eld, 0, sizeof(*eld));
+        memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
 
         eld->monitor_present    = !!(present & AC_PINSENSE_PRESENCE);
         if (eld->monitor_present)
-                eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
-        else
-                eld->eld_valid  = 0;
+                eld_valid       = !!(present & AC_PINSENSE_ELDV);
 
         printk(KERN_INFO
                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
-                codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
+                codec->addr, pin_nid, eld->monitor_present, eld_valid);
 
-        if (eld->eld_valid)
+        if (eld_valid) {
                 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
                         snd_hdmi_show_eld(eld);
+                else if (retry) {
+                        queue_delayed_work(codec->bus->workq,
+                                           &per_pin->work,
+                                           msecs_to_jiffies(300));
+                }
+        }
 
         snd_hda_input_jack_report(codec, pin_nid);
 }
 
+static void hdmi_repoll_eld(struct work_struct *work)
+{
+        struct hdmi_spec_per_pin *per_pin =
+        container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
+
+        hdmi_present_sense(per_pin, false);
+}
+
 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 {
         struct hdmi_spec *spec = codec->spec;
@@ -1228,7 +1235,7 @@ static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
         if (err < 0)
                 return err;
 
-        hdmi_present_sense(codec, per_pin->pin_nid, &per_pin->sink_eld);
+        hdmi_present_sense(per_pin, false);
         return 0;
 }
 
@@ -1279,6 +1286,8 @@ static int generic_hdmi_init(struct hda_codec *codec)
                                     AC_VERB_SET_UNSOLICITED_ENABLE,
                                     AC_USRSP_EN | pin_nid);
 
+                per_pin->codec = codec;
+                INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
                 snd_hda_eld_proc_new(codec, eld, pin_idx);
         }
         return 0;
@@ -1293,10 +1302,12 @@ static void generic_hdmi_free(struct hda_codec *codec)
                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
                 struct hdmi_eld *eld = &per_pin->sink_eld;
 
+                cancel_delayed_work(&per_pin->work);
                 snd_hda_eld_proc_free(codec, eld);
         }
         snd_hda_input_jack_free(codec);
 
+        flush_workqueue(codec->bus->workq);
         kfree(spec);
 }
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a24e068a021b..336d14eb72af 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -284,7 +284,7 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
         struct alc_spec *spec = codec->spec;
         const struct hda_input_mux *imux;
         unsigned int mux_idx;
-        int i, type;
+        int i, type, num_conns;
         hda_nid_t nid;
 
         mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
@@ -307,16 +307,17 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
                 spec->capsrc_nids[adc_idx] : spec->adc_nids[adc_idx];
 
         /* no selection? */
-        if (snd_hda_get_conn_list(codec, nid, NULL) <= 1)
+        num_conns = snd_hda_get_conn_list(codec, nid, NULL);
+        if (num_conns <= 1)
                 return 1;
 
         type = get_wcaps_type(get_wcaps(codec, nid));
         if (type == AC_WID_AUD_MIX) {
                 /* Matrix-mixer style (e.g. ALC882) */
-                for (i = 0; i < imux->num_items; i++) {
-                        unsigned int v = (i == idx) ? 0 : HDA_AMP_MUTE;
-                        snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT,
-                                                 imux->items[i].index,
+                int active = imux->items[idx].index;
+                for (i = 0; i < num_conns; i++) {
+                        unsigned int v = (i == active) ? 0 : HDA_AMP_MUTE;
+                        snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT, i,
                                                  HDA_AMP_MUTE, v);
                 }
         } else {
@@ -1451,7 +1452,7 @@ static void alc_apply_fixup(struct hda_codec *codec, int action)
                 switch (fix->type) {
                 case ALC_FIXUP_SKU:
                         if (action != ALC_FIXUP_ACT_PRE_PROBE || !fix->v.sku)
-                                break;;
+                                break;
                         snd_printdd(KERN_INFO "hda_codec: %s: "
                                     "Apply sku override for %s\n",
                                     codec->chip_name, modelname);
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 4e715fefebef..470f6f286e81 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -95,6 +95,7 @@ enum {
         STAC_92HD83XXX_REF,
         STAC_92HD83XXX_PWR_REF,
         STAC_DELL_S14,
+        STAC_DELL_VOSTRO_3500,
         STAC_92HD83XXX_HP,
         STAC_92HD83XXX_HP_cNB11_INTQUAD,
         STAC_HP_DV7_4000,
@@ -226,7 +227,6 @@ struct sigmatel_spec {
 
         /* power management */
         unsigned int num_pwrs;
-        const unsigned int *pwr_mapping;
         const hda_nid_t *pwr_nids;
         const hda_nid_t *dac_list;
 
@@ -373,18 +373,15 @@ static const unsigned long stac92hd73xx_capvols[] = {
 
 #define STAC92HD83_DAC_COUNT 3
 
-static const hda_nid_t stac92hd83xxx_pwr_nids[4] = {
-        0xa, 0xb, 0xd, 0xe,
+static const hda_nid_t stac92hd83xxx_pwr_nids[7] = {
+        0x0a, 0x0b, 0x0c, 0xd, 0x0e,
+        0x0f, 0x10
 };
 
 static const hda_nid_t stac92hd83xxx_slave_dig_outs[2] = {
         0x1e, 0,
 };
 
-static const unsigned int stac92hd83xxx_pwr_mapping[4] = {
-        0x03, 0x0c, 0x20, 0x40,
-};
-
 static const hda_nid_t stac92hd83xxx_dmic_nids[] = {
                 0x11, 0x20,
 };
@@ -1659,6 +1656,12 @@ static const unsigned int dell_s14_pin_configs[10] = {
         0x40f000f0, 0x40f000f0,
 };
 
+static const unsigned int dell_vostro_3500_pin_configs[10] = {
+        0x02a11020, 0x0221101f, 0x400000f0, 0x90170110,
+        0x400000f1, 0x400000f2, 0x400000f3, 0x90a60160,
+        0x400000f4, 0x400000f5,
+};
+
 static const unsigned int hp_dv7_4000_pin_configs[10] = {
         0x03a12050, 0x0321201f, 0x40f000f0, 0x90170110,
         0x40f000f0, 0x40f000f0, 0x90170110, 0xd5a30140,
@@ -1675,6 +1678,7 @@ static const unsigned int *stac92hd83xxx_brd_tbl[STAC_92HD83XXX_MODELS] = {
         [STAC_92HD83XXX_REF] = ref92hd83xxx_pin_configs,
         [STAC_92HD83XXX_PWR_REF] = ref92hd83xxx_pin_configs,
         [STAC_DELL_S14] = dell_s14_pin_configs,
+        [STAC_DELL_VOSTRO_3500] = dell_vostro_3500_pin_configs,
         [STAC_92HD83XXX_HP_cNB11_INTQUAD] = hp_cNB11_intquad_pin_configs,
         [STAC_HP_DV7_4000] = hp_dv7_4000_pin_configs,
 };
@@ -1684,6 +1688,7 @@ static const char * const stac92hd83xxx_models[STAC_92HD83XXX_MODELS] = {
         [STAC_92HD83XXX_REF] = "ref",
         [STAC_92HD83XXX_PWR_REF] = "mic-ref",
         [STAC_DELL_S14] = "dell-s14",
+        [STAC_DELL_VOSTRO_3500] = "dell-vostro-3500",
         [STAC_92HD83XXX_HP] = "hp",
         [STAC_92HD83XXX_HP_cNB11_INTQUAD] = "hp_cNB11_intquad",
         [STAC_HP_DV7_4000] = "hp-dv7-4000",
@@ -1697,6 +1702,8 @@ static const struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = {
                       "DFI LanParty", STAC_92HD83XXX_REF),
         SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x02ba,
                       "unknown Dell", STAC_DELL_S14),
+        SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x1028,
+                      "Dell Vostro 3500", STAC_DELL_VOSTRO_3500),
         SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_HP, 0xff00, 0x3600,
                           "HP", STAC_92HD83XXX_HP),
         SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1656,
@@ -4459,8 +4466,12 @@ static int stac92xx_init(struct hda_codec *codec)
                                 stac_toggle_power_map(codec, nid, 1);
                         continue;
                 }
-                if (enable_pin_detect(codec, nid, STAC_PWR_EVENT))
+                if (enable_pin_detect(codec, nid, STAC_PWR_EVENT)) {
                         stac_issue_unsol_event(codec, nid);
+                        continue;
+                }
+                /* none of the above, turn the port OFF */
+                stac_toggle_power_map(codec, nid, 0);
         }
 
         /* sync mute LED */
@@ -4716,11 +4727,7 @@ static void stac_toggle_power_map(struct hda_codec *codec, hda_nid_t nid,
         if (idx >= spec->num_pwrs)
                 return;
 
-        /* several codecs have two power down bits */
-        if (spec->pwr_mapping)
-                idx = spec->pwr_mapping[idx];
-        else
-                idx = 1 << idx;
+        idx = 1 << idx;
 
         val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0) & 0xff;
         if (enable)
@@ -5618,9 +5625,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
                 snd_hda_codec_set_pincfg(codec, 0xf, 0x2181205e);
         }
 
-        /* reset pin power-down; Windows may leave these bits after reboot */
-        snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7EC, 0);
-        snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7ED, 0);
         codec->no_trigger_sense = 1;
         codec->spec = spec;
 
@@ -5630,7 +5634,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
         codec->slave_dig_outs = stac92hd83xxx_slave_dig_outs;
         spec->digbeep_nid = 0x21;
         spec->pwr_nids = stac92hd83xxx_pwr_nids;
-        spec->pwr_mapping = stac92hd83xxx_pwr_mapping;
         spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids);
         spec->multiout.dac_nids = spec->dac_nids;
         spec->init = stac92hd83xxx_core_init;
@@ -5647,9 +5650,6 @@ again:
                 stac92xx_set_config_regs(codec,
                                 stac92hd83xxx_brd_tbl[spec->board_config]);
 
-        if (spec->board_config != STAC_92HD83XXX_PWR_REF)
-                spec->num_pwrs = 0;
-
         codec->patch_ops = stac92xx_patch_ops;
 
         if (find_mute_led_gpio(codec, 0))
@@ -5858,8 +5858,6 @@ again:
                     (codec->revision_id & 0xf) == 1)
                         spec->stream_delay = 40; /* 40 milliseconds */
 
-                /* no output amps */
-                spec->num_pwrs = 0;
                 /* disable VSW */
                 spec->init = stac92hd71bxx_core_init;
                 unmute_init++;
@@ -5874,8 +5872,6 @@ again:
                 if ((codec->revision_id & 0xf) == 1)
                         spec->stream_delay = 40; /* 40 milliseconds */
 
-                /* no output amps */
-                spec->num_pwrs = 0;
                 /* fallthru */
         default:
                 spec->init = stac92hd71bxx_core_init;
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 29e312597f20..11718b49b2e2 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -1077,6 +1077,13 @@ static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *subs
                 }
                 if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
                         continue;
+
+                /* IO read operation is very expensive inside virtual machine
+                 * as it is emulated. The probability that subsequent PICB read
+                 * will return different result is high enough to loop till
+                 * timeout here.
+                 * Same CIV is strict enough condition to be sure that PICB
+                 * is valid inside VM on emulated card. */
                 if (chip->inside_vm)
                         break;
                 if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
@@ -2930,6 +2937,45 @@ static unsigned int sis_codec_bits[3] = {
         ICH_PCR, ICH_SCR, ICH_SIS_TCR
 };
 
+static int __devinit snd_intel8x0_inside_vm(struct pci_dev *pci)
+{
+        int result  = inside_vm;
+        char *msg   = NULL;
+
+        /* check module parameter first (override detection) */
+        if (result >= 0) {
+                msg = result ? "enable (forced) VM" : "disable (forced) VM";
+                goto fini;
+        }
+
+        /* detect KVM and Parallels virtual environments */
+        result = kvm_para_available();
+#ifdef X86_FEATURE_HYPERVISOR
+        result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR);
+#endif
+        if (!result)
+                goto fini;
+
+        /* check for known (emulated) devices */
+        if (pci->subsystem_vendor == 0x1af4 &&
+            pci->subsystem_device == 0x1100) {
+                /* KVM emulated sound, PCI SSID: 1af4:1100 */
+                msg = "enable KVM";
+        } else if (pci->subsystem_vendor == 0x1ab8) {
+                /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
+                msg = "enable Parallels VM";
+        } else {
+                msg = "disable (unknown or VT-d) VM";
+                result = 0;
+        }
+
+fini:
+        if (msg != NULL)
+                printk(KERN_INFO "intel8x0: %s optimization\n", msg);
+
+        return result;
+}
+
 static int __devinit snd_intel8x0_create(struct snd_card *card,
                                          struct pci_dev *pci,
                                          unsigned long device_type,
@@ -2997,9 +3043,7 @@ static int __devinit snd_intel8x0_create(struct snd_card *card,
         if (xbox)
                 chip->xbox = 1;
 
-        chip->inside_vm = inside_vm;
-        if (inside_vm)
-                printk(KERN_INFO "intel8x0: enable KVM optimization\n");
+        chip->inside_vm = snd_intel8x0_inside_vm(pci);
 
         if (pci->vendor == PCI_VENDOR_ID_INTEL &&
             pci->device == PCI_DEVICE_ID_INTEL_440MX)
@@ -3243,14 +3287,6 @@ static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
                         buggy_irq = 0;
         }
 
-        if (inside_vm < 0) {
-                /* detect KVM and Parallels virtual environments */
-                inside_vm = kvm_para_available();
-#if defined(__i386__) || defined(__x86_64__)
-                inside_vm = inside_vm || boot_cpu_has(X86_FEATURE_HYPERVISOR);
-#endif
-        }
-
         if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
                                        &chip)) < 0) {
                 snd_card_free(card);