Re: nvram polling for hardware mixer

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On Tue, 2007-05-29 at 18:45 -0300, Henrique de Moraes Holschuh wrote:
> On Tue, 29 May 2007, Richard Hughes wrote:
> > On Tue, 2007-05-29 at 22:11 +0100, Bastien Nocera wrote:
> > > > Please review, and make sure I'm on the right lines. I also can't
> > > see
> > > > the input patches in the ibm-acpi-2.6 tree, so I've done this
> > > against
> > > > linus. This isn't for merging, it's just a preview for comments.
> > > Why is defining a _new_ device with its own mixer a good idea? Isn't
> > > it actually supposed to be a track in the builtin ALSA device instead?
> > > And then we'd get feedback from that one...
> > 
> > It is a _physically_ separate mixer - i.e. independent from the built-in
> > ALSA device. It's just unusual hardware. Also IMO it would be impossible
> > to link the nvram polling with another master volume on the main mixer
> > in the thinkpad_acpi code.
> 
> And it also has weird behaviour if you have sound taps in weird places, e.g.
> the ones in port replicators for the T4x series.  They are not under control
> of the thinkpad mixer, but they are under full control of the AC97 mixer.
> 
> As Richard just said, it *really* is a separate device, and we shall export
> it as such.

Ha, the fact that it was a completely separate device wasn't clear to
me. I guess that's that settled.

Keep on hacking Richard!

Cheers :)

-- 
Bastien Nocera <hadess@xxxxxxxxxx> 


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