[alsa-devel] [RFC] [Patch 1/2] Add virtual master control
drow at false.org
Fri May 2 20:01:54 CEST 2008
On Sat, Mar 22, 2008 at 03:15:51PM -0400, Daniel Jacobowitz wrote:
> On Sat, Mar 22, 2008 at 05:31:21PM +0100, Takashi Iwai wrote:
> > Thanks. This kind of change is basically good to apply, I think, but
> > a couple of things related are in my mind:
> > - other AC97 codecs need similar hacks, so it could be done
> > cleaner (in a more generic way) than in each patch_*()?
> > - headphone and line-out have the similar issue - it's handled as a
> > bind-control right now, though
> > - what about if the device actually uses only two channels although
> > codec supports more than two? Then the additional master control
> > makes little sense. But, we have no way to know it from the codec
> > itself. Another quirk table? That's to be avoided...
> > Since this is a non-urgent fix and I'll be on vacation for three weeks
> > from tomorrow, I'd like to keep this pending unless other developers
> > want to put this in. Is it OK?
> Fine with me. I don't think I can make broader changes than this
> kind, because I don't know much about AC97; maybe there can be a flag
> on recognized codecs saying which channels the front volume really
> I noticed that the PCM mixer also only affected my front speakers.
Have you had another chance to look at this?
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