[alsa-devel] 1.0.15: volume levels drift on HDA with STAC92XX codec
tiwai at suse.de
Fri Nov 16 16:02:17 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.
I got a bug report that the same symptom appears also with STAC9221.
Maybe we need add whitelist / blacklist for this feature?
On which codec/machine is this feature confirmed to work?
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