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From: Seth Heasley on 22 Feb 2010 20:40
This patch adds the Intel Cougar Point (PCH) HD Audio Controller DeviceIDs, and enables snoop, eliminating static during
playback. This patch supersedes the previous Cougar Point audio patch.

Signed-off-by: Seth Heasley <seth.heasley(a)intel.com>

--- sound/pci/hda/hda_intel.c.orig 2010-02-11 11:37:43.000000000 -0800
+++ sound/pci/hda/hda_intel.c 2010-02-22 10:05:48.000000000 -0800
@@ -449,6 +449,7 @@
/* driver types */
enum {
AZX_DRIVER_ICH,
+ AZX_DRIVER_PCH,
AZX_DRIVER_SCH,
AZX_DRIVER_ATI,
AZX_DRIVER_ATIHDMI,
@@ -463,6 +464,7 @@

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",
@@ -1065,6 +1067,7 @@
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,
@@ -2415,6 +2418,7 @@
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:
@@ -2693,6 +2697,7 @@
{ PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH },
/* PCH */
{ PCI_DEVICE(0x8086, 0x3b56), .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 */
--
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Prev: linux-next: manual merge of the wireless tree with the wireless-current tree
Next: [PATCH RFC] rcu: RCU CPU stall patches backported to 2.6.33-rc8