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authorDavid Henningsson <david.henningsson@canonical.com>2012-01-12 16:31:14 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2012-01-25 16:13:44 -0800
commit2f1bce58c239b3b71e4eeb25d241aa6bcac5a2e2 (patch)
treea541a7f26d34917123cc7581e7a12eb811e47600 /sound
parent4d96a0c102dfa7b1c009e5b6dbd8fe35e93e1a79 (diff)
ALSA: HDA: Use LPIB position fix for Macbook Pro 7,1
commit b01de4fb40137fbda7530550ff0cd37171dafb0c upstream. Several users have reported "choppy" audio under the 3.2 kernel, and that changing position_fix to 1 has resolved their problem. The chip is an nVidia Corporation MCP89 High Definition Audio, [10de:0d94] (rev a2). BugLink: https://bugs.launchpad.net/bugs/909419 Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_intel.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index c2f79e63124d..5b2b75b8cf1e 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2509,6 +2509,7 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = {
SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS 1101HA", POS_FIX_LPIB),
SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
+ SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),