[alsa-devel] [REGRESSION] Sound goes too fast due to 798cb7e897210

[Takashi Iwai]

At Tue, 18 Oct 2011 10:10:14 +0200,
Éric Piel wrote:
> 
> Dear Takashi,
> 
> I have a regression here on 3.1-rc9+ causing the sound "going too fast" 
> with hda. Reverting 798cb7e897210 (ALSA: hda - Fix a regression of the 
> position-buffer check) fixes this regression for me.
> 
> Of course, as this commit is itself a regression fix, my goat feeling is 
> that it's not going to be possible to directly revert it. Attached if 
> the output of alsa-info.sh (on the fixed kernel). Please let me know if 
> I can provide you any additional information or test any patch.

If that commit affects, the best fix would be to give a quirk specific
to your device.  Try to pass either position_fix=1 or position_fix=2.
Only one of them should work (likely 2).

After checking it, you can add it to position_fix_list[] in
sound/pci/hda/hda_intel.c together with PCI SSID.


thanks,

Takashi