提交 447ee6a7 编写于 作者: T Takashi Iwai

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: NTakashi Iwai <tiwai@suse.de>
上级 ce85c9ac
......@@ -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;
......
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