Re: Why analog loopback of sigmatel devices got removed?

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On Fri, 2009-06-19 at 10:23 +0200, Takashi Iwai wrote:
> At Fri, 19 Jun 2009 11:21:41 +0300,
> Maxim Levitsky wrote:
> > 
> > On Fri, 2009-06-19 at 08:32 +0200, Takashi Iwai wrote:
> > > At Fri, 19 Jun 2009 02:50:35 +0300,
> > > Maxim Levitsky wrote:
> > > > 
> > > > Hi,
> > > > 
> > > > Due to lack of time, I didn't update kernel on my desktop system.
> > > > Now I notice that analog loopback go removed. Why?
> > > 
> > > Because it harms than helps more often.  I've got tons of bug reports
> > > and been upset just because users blindly set "Analog Loopback" mixer
> > > switch and lost their sound output.  This is no mixer element that
> > > behaves intuitively -- it shuts out PCM output instead of adding the
> > > analog loopback like other hardwares.
> > 
> > Here it doesn't shut PCM.
> > I just hear input in headphones, mixed with output.
> > I suspect that this feature might not work correctly on newer devices
> > that ones I have added.
> 
> Possibly...

Probably IDT removed the analog mixer in quest for better quality.

I think it should work fine for "STAC..." parts.

Anyway lets put it back at least for my STAC9227, OK?

Best regards,
	Maxim Levitsky

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