At Mon, 24 Jul 2006 14:40:12 -0400,
Lee Revell wrote:
> 
> On Mon, 2006-07-24 at 20:30 +0200, Eduard Bloch wrote:
> > Hello,
> > 
> > I try to make my 5.1 speaker set work properly on an SB Live! Player
> > with Alsa from kernel 2.6.17. Most things work well, but there is
> > something that feels like a bug or inconsistency in user interface:
> > 
> > The volume for rear speakers, center, bass speakers seem to behave
> > indepently from any other controls. When I adjust "Master" setting, it
> > does not act like master. It is only applied on the front speaker pair,
> > all others are not changed. I need to go to the particular control
> > setting in alsamixer and tune them independently. Every time.
> > 
> > That does not make sence. I expect Master to behave like Master, a
> > factor which is applied to all available speaker volumes and playing
> > input sources.
> 
> This bug has been known for years.  STILL no solution.
> 
> Takashi-san, didn't someone (Mikael Magnusson?) post a patch that fixed
> this?  What happened to it?

That patch did too many things.  It added not only yet another master
but also more new controls, which leads to confusion, IMO.

A simple solution would be an additional DSP-based master that
replaces the current ac97-master, and rename ac97-master as front.


Takashi

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