4 files changed, 32 insertions, 3 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 6447754ae56e..ba1ab737b55f 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -64,6 +64,7 @@ static struct hda_vendor_id hda_vendor_ids[] = {
         { 0x14f1, "Conexant" },
         { 0x17e8, "Chrontel" },
         { 0x1854, "LG" },
+        { 0x1aec, "Wolfson Microelectronics" },
         { 0x434d, "C-Media" },
         { 0x8384, "SigmaTel" },
         {} /* terminator */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index f080f8ce0ecb..35722ec920cb 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -45,6 +45,7 @@
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/mutex.h>
+#include <linux/reboot.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include "hda_codec.h"
@@ -397,6 +398,9 @@ struct azx {
 
         /* for pending irqs */
         struct work_struct irq_pending_work;
+
+        /* reboot notifier (for mysterious hangup problem at power-down) */
+        struct notifier_block reboot_notifier;
 };
 
 /* driver types */
@@ -1979,12 +1983,36 @@ static int azx_resume(struct pci_dev *pci)
 
 
 /*
+ * reboot notifier for hang-up problem at power-down
+ */
+static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
+{
+        struct azx *chip = container_of(nb, struct azx, reboot_notifier);
+        azx_stop_chip(chip);
+        return NOTIFY_OK;
+}
+
+static void azx_notifier_register(struct azx *chip)
+{
+        chip->reboot_notifier.notifier_call = azx_halt;
+        register_reboot_notifier(&chip->reboot_notifier);
+}
+
+static void azx_notifier_unregister(struct azx *chip)
+{
+        if (chip->reboot_notifier.notifier_call)
+                unregister_reboot_notifier(&chip->reboot_notifier);
+}
+
+/*
  * destructor
  */
 static int azx_free(struct azx *chip)
 {
         int i;
 
+        azx_notifier_unregister(chip);
+
         if (chip->initialized) {
                 azx_clear_irq_pending(chip);
                 for (i = 0; i < chip->num_streams; i++)
@@ -2348,6 +2376,7 @@ static int __devinit azx_probe(struct pci_dev *pci,
         pci_set_drvdata(pci, card);
         chip->running = 1;
         power_down_all_codecs(chip);
+        azx_notifier_register(chip);
 
         dev++;
         return err;
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 2b00c4afdf97..d3fd432cb3ea 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -3860,6 +3860,7 @@ static const char *ad1884a_models[AD1884A_MODELS] = {
 
 static struct snd_pci_quirk ad1884a_cfg_tbl[] = {
         SND_PCI_QUIRK(0x103c, 0x3030, "HP", AD1884A_MOBILE),
+        SND_PCI_QUIRK(0x103c, 0x3056, "HP", AD1884A_MOBILE),
         SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X300", AD1884A_THINKPAD),
         {}
 };
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 788fdc6f3264..df9b0bc7f878 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -566,10 +566,8 @@ static int stac92xx_smux_enum_put(struct snd_kcontrol *kcontrol,
                         nid = codec->slave_dig_outs[smux_idx - 1];
                 if (spec->cur_smux[smux_idx] == smux->num_items - 1)
                         val = AMP_OUT_MUTE;
-                if (smux_idx == 0)
-                        nid = spec->multiout.dig_out_nid;
                 else
-                        nid = codec->slave_dig_outs[smux_idx - 1];
+                        val = AMP_OUT_UNMUTE;
                 /* un/mute SPDIF out */
                 snd_hda_codec_write_cache(codec, nid, 0,
                         AC_VERB_SET_AMP_GAIN_MUTE, val);