Re: Re: [Alsa-user] Re: Re: SB Live! PCM control

[Takashi Iwai <tiwai@suse.de>]

At Fri, 11 Feb 2005 18:08:24 +0100,
Thierry Vignaud wrote:
> 
> Takashi Iwai <tiwai@suse.de> writes:
> 
> > > > IMO, a "Master" volume should control all volumes as it name
> > > > stands.  If it doesn't control all channels, it should be
> > > > renmaed at least as "Front".
> > > 
> > > Yes, renaming is appropriate. I don't like to have some
> > > "abstraction" code in the kernel. In case of SB Live! you must
> > > take care about AC97 and DSP setup which is easy to do from the
> > > user space and there is a way to do it now (via the user space
> > > controls).
> > 
> > I'm afraid that just renaming wouldn't be enough from the
> > perspecitve of compatibility.  Some apps expect that the master
> > control is available.  If a small additional DSP code can support
> > the consistent volume control over all channels, it will make 99%
> > users happy.
> 
> indeed.
> on the second hands, such apps will usually be able to use the OSS
> emulation layer.
> where is redirected the OSS'main level in this case?

OSS emulation will try "Front" control if no "Master" is available.
So, it should work.


Takashi


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