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| author | Seth Heasley <seth.heasley@intel.com> | 2010-02-22 17:31:09 -0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-02-23 08:15:37 +0100 |
| commit | 32679f95cac3b1bdf27dce8b5273e06af186fd91 (patch) | |
| tree | b2d06c8ce9c2be38f4f1783a1c10f7430400693c /sound | |
| parent | d01aecdf900574cf6be7c1c6114e708801126baf (diff) | |
| download | linux-3.10-32679f95cac3b1bdf27dce8b5273e06af186fd91.tar.gz linux-3.10-32679f95cac3b1bdf27dce8b5273e06af186fd91.tar.bz2 linux-3.10-32679f95cac3b1bdf27dce8b5273e06af186fd91.zip | |
ALSA: hda - enable snoop for Intel Cougar Point
This patch enables snoop, eliminating static during playback.
This patch supersedes the previous Cougar Point audio patch.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 22dcdc201ed..1adac8cc959 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -448,6 +448,7 @@ struct azx { /* driver types */ enum { AZX_DRIVER_ICH, + AZX_DRIVER_PCH, AZX_DRIVER_SCH, AZX_DRIVER_ATI, AZX_DRIVER_ATIHDMI, @@ -462,6 +463,7 @@ enum { static char *driver_short_names[] __devinitdata = { [AZX_DRIVER_ICH] = "HDA Intel", + [AZX_DRIVER_PCH] = "HDA Intel PCH", [AZX_DRIVER_SCH] = "HDA Intel MID", [AZX_DRIVER_ATI] = "HDA ATI SB", [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI", @@ -1064,6 +1066,7 @@ static void azx_init_pci(struct azx *chip) 0x01, NVIDIA_HDA_ENABLE_COHBIT); break; case AZX_DRIVER_SCH: + case AZX_DRIVER_PCH: pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop); if (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) { pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, @@ -2421,6 +2424,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, if (bdl_pos_adj[dev] < 0) { switch (chip->driver_type) { case AZX_DRIVER_ICH: + case AZX_DRIVER_PCH: bdl_pos_adj[dev] = 1; break; default: @@ -2700,7 +2704,7 @@ static struct pci_device_id azx_ids[] = { /* PCH */ { PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_ICH }, /* CPT */ - { PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_ICH }, + { PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH }, /* SCH */ { PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH }, /* ATI SB 450/600 */ |