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authorDavid Henningsson <david.henningsson@canonical.com>2011-12-14 15:52:30 +0800
committerTakashi Iwai <tiwai@suse.de>2011-12-15 12:55:27 +0100
commit645e903528ca6cd510f9ac71a6a23de1a4d931e3 (patch)
treed45e119e13f4b4f0f7fa528c905eb692e1c98ac3 /sound/pci
parente2ef36c688d5844a986424c3194bd33212c968ce (diff)
downloadop-kernel-dev-645e903528ca6cd510f9ac71a6a23de1a4d931e3.zip
op-kernel-dev-645e903528ca6cd510f9ac71a6a23de1a4d931e3.tar.gz
ALSA: HDA: Use LPIB Position fix for Intel SCH Poulsbo
Several people with this chipset have reported inconsistent/sloppy values for position reporting when the DMA position buffer is used, and that setting position_fix=1 have fixed their problems. BugLink: https://bugs.launchpad.net/bugs/825709 Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/hda_intel.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 84d11d7..c2f79e6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2971,7 +2971,8 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
/* SCH */
{ PCI_DEVICE(0x8086, 0x811b),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE},
+ AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */
+ /* ICH */
{ PCI_DEVICE(0x8086, 0x2668),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
AZX_DCAPS_BUFSIZE }, /* ICH6 */
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