[alsa-devel] [Fwd: Re: Fwd: audio ovolume problem on powerbook G3 Lombard (PPC740)]

Takashi Iwai tiwai at suse.de
Thu Jan 15 08:04:10 CET 2009

At Thu, 15 Jan 2009 08:58:49 +0200,
Risto Suominen wrote:
> 2009/1/14 Takashi Iwai <tiwai at suse.de>:
> > At Tue, 13 Jan 2009 20:37:21 +0200,
> > Risto Suominen wrote:
> >> Takashi, looks like there is a side effect: plugging in headphone
> >> doesn't show on alsamixer, even though it works, i.e. the speaker is
> >> silenced.
> >
> > Well, what do you mean exactly "doesn't show on alsamixer"?
> > Which behavior is expected?
> >
> MM instead of OO below speaker slider and the opposite for headphone.
> Only the sound moved.

Ah, snd-powermac changes the mixer value explicitly.
This isn't common in other drivers.

The problem is likely the change of control element pointers.
vmaster creates fake entries, and this may confuse if you access the
old entries.


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