[alsa-devel] [REGRESSION bisected] Sound goes too fast due to commit 7b3a177b0
eric.piel at tremplin-utc.net
Wed Apr 14 16:36:36 CEST 2010
On 14/04/10 15:39, Takashi Iwai wrote:
> bdl_pos_adj is really a workaround for devices that report wrong DMA
> position (or at the wrong timing). I guess position_fix=1 may fix
> Although the driver already has a dynamic switching of position_fix
> method, it checks only the very first read. If it gives a (more or
> less) sane value, it prefers the position-buffer method (corresponding
> to position_fix=2) rather than reading LPIB register
> It seems, however, that more devices work sanely with LPIB reg
> nowdays. This wasn't the case formerly. So, it might be better to
> use position_fix=1 as default for modern systems...
Could you check that for you too adding "position_fix=1" fixes the problem?
To do so, edit /etc/modprobe.conf and add this line at end:
options snd-hda-intel position_fix=1
You need to reboot for this to be taken into account.
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