1 files changed, 17 insertions, 6 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 21aa9b0e28f6..70a9d32f0e96 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1052,9 +1052,12 @@ static void azx_init_pci(struct azx *chip)
         /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
          * TCSEL == Traffic Class Select Register, which sets PCI express QOS
          * Ensuring these bits are 0 clears playback static on some HD Audio
-         * codecs
+         * codecs.
+         * The PCI register TCSEL is defined in the Intel manuals.
          */
-        update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
+        if (chip->driver_type != AZX_DRIVER_ATI &&
+            chip->driver_type != AZX_DRIVER_ATIHDMI)
+                update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
 
         switch (chip->driver_type) {
         case AZX_DRIVER_ATI:
@@ -1235,7 +1238,8 @@ static int azx_setup_periods(struct azx *chip,
                         pos_adj = 0;
                 } else {
                         ofs = setup_bdle(substream, azx_dev,
-                                         &bdl, ofs, pos_adj, 1);
+                                         &bdl, ofs, pos_adj,
+                                         !substream->runtime->no_period_wakeup);
                         if (ofs < 0)
                                 goto error;
                 }
@@ -1247,7 +1251,8 @@ static int azx_setup_periods(struct azx *chip,
                                          period_bytes - pos_adj, 0);
                 else
                         ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
-                                         period_bytes, 1);
+                                         period_bytes,
+                                         !substream->runtime->no_period_wakeup);
                 if (ofs < 0)
                         goto error;
         }
@@ -1515,7 +1520,8 @@ static struct snd_pcm_hardware azx_pcm_hw = {
                                  /* No full-resume yet implemented */
                                  /* SNDRV_PCM_INFO_RESUME |*/
                                  SNDRV_PCM_INFO_PAUSE |
-                                 SNDRV_PCM_INFO_SYNC_START),
+                                 SNDRV_PCM_INFO_SYNC_START |
+                                 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
         .rates =                SNDRV_PCM_RATE_48000,
         .rate_min =             48000,
@@ -2296,13 +2302,16 @@ static int azx_dev_free(struct snd_device *device)
  */
 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
         SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB),
+        SND_PCI_QUIRK(0x1025, 0x026f, "Acer Aspire 5538", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
+        SND_PCI_QUIRK(0x1028, 0x0470, "Dell Inspiron 1120", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
+        SND_PCI_QUIRK(0x1043, 0x8410, "ASUS", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
         SND_PCI_QUIRK(0x1179, 0xff10, "Toshiba A100-259", POS_FIX_LPIB),
@@ -2698,7 +2707,7 @@ static int __devinit azx_probe(struct pci_dev *pci,
         if (err < 0)
                 goto out_free;
 #ifdef CONFIG_SND_HDA_PATCH_LOADER
-        if (patch[dev]) {
+        if (patch[dev] && *patch[dev]) {
                 snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
                            patch[dev]);
                 err = snd_hda_load_patch(chip->bus, patch[dev]);
@@ -2804,6 +2813,8 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
 #endif
         /* Vortex86MX */
         { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
+        /* VMware HDAudio */
+        { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
         /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
         { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,