[alsa-devel] 1.0.15: volume levels drift on HDA with STAC92XX codec
tiwai at suse.de
Mon Nov 5 12:40:48 CET 2007
At Thu, 1 Nov 2007 20:17:30 +0200,
Maxim Levitsky wrote:
> On Thursday 01 November 2007 19:47:39 Chuck Ebbert wrote:
> > We have two reports now of unstable volume levels:
> > https://bugzilla.redhat.com/show_bug.cgi?id=361051
> > https://bugzilla.redhat.com/show_bug.cgi?id=354981
> > This is with kernel 2.6.23 plus the two ALSA merge patches from
> > 2.6.23-rc1.
> > _______________________________________________
> > Alsa-devel mailing list
> > Alsa-devel at alsa-project.org
> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> Probably this isn't a software bug.
> Probably this chip country to datasheet doesn't have usable "Master
> Volume" (volume knob) control.
> The master volume control wasn't present before, I added support for
> it, using data-sheets.
> I need to know what exactly sigmatel codec was used in both cases.
Yes, the latter case seems with STAC9205 but the former one (361051)
isn't clear. Please check /proc/asound/card0/codec#* entries.
More information about the Alsa-devel