[alsa-devel] Audio support for TLV320AIC23 on Simtec S3C24XX products

Ben Dooks ben-alsa at fluff.org
Thu Aug 13 15:50:39 CEST 2009

On Thu, Aug 13, 2009 at 02:40:22PM +0100, Mark Brown wrote:
> On Thu, Aug 13, 2009 at 02:24:30PM +0100, Ben Dooks wrote:
> > Mark Brown wrote:
> > >Also, as I've mentioned to you on a number of previous occasions please
> > >do try to remember to CC subsystem maintainers when submitting patches.
> > I thought you where the ASoC maintainer? Who else should I be CC'ing?
> You'd only sent the patches to the list, there wasn't a CC to me.

sorry, you are right about that.
> > >So I'm guessing that this is muting through powering off?  In that case
> > >(and probably in general) this would be better implemented as a DAPM
> > >widget with a SND_SOC_DAPM_PIN_SWITCH() control set up to provide the
> > >mute functionality.  Doing this will allow the speaker to be powered off
> > >when no audio is being played, saving power and helping avoid any pops
> > >or clicks being amplified by it.
> > I tried it that way first, unfortunately the AMP itself makes a POP
> > when powering up and down, the headphone output of the TLV320AIC23
> > doesn't seem to have a problem with pops.
> But it doesn't pop when people use the mute control?  OK, anyway.
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