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| author | Takashi Iwai <tiwai@suse.de> | 2011-05-04 18:28:50 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-05-04 18:28:50 +0200 |
| commit | 447ee6a7cbbfb5ae7ab8f9b8b058b4a04fe398bf (patch) | |
| tree | a2c67de49b17f7d51e4d1b822ee0a7ffa909f37f /sound | |
| parent | ce85c9ac8dd53a658d85b4f39f612c23aa704e49 (diff) | |
| download | op-kernel-dev-447ee6a7cbbfb5ae7ab8f9b8b058b4a04fe398bf.zip op-kernel-dev-447ee6a7cbbfb5ae7ab8f9b8b058b4a04fe398bf.tar.gz | |
ALSA: hda - Use position_fix=3 as default for AMD chipsets
AMD chipsets often behave pretty badly regarding the DMA position
reporting. It results in the bad quality audio recording.
Using position_fix=3 works well in general for them, so let's enable
it as default for AMD.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index f95ff6e..010fd31 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2364,6 +2364,11 @@ static int __devinit check_position_fix(struct azx *chip, int fix) case AZX_DRIVER_ATI: /* Use link position directly, avoid any transfer problem. */ return POS_FIX_VIACOMBO; + case AZX_DRIVER_GENERIC: + /* AMD chipsets behave often badly, too */ + if (chip->pci->vendor == PCI_VENDOR_ID_AMD) + return POS_FIX_VIACOMBO; + break; } return POS_FIX_AUTO; |
