[alsa-devel] Bugs on aspire one A150

Andreas Mohr andi at lisas.de
Mon Mar 16 18:00:15 CET 2009


Hi,

On Mon, Mar 16, 2009 at 05:19:38PM +0100, Takashi Iwai wrote:
> At Mon, 16 Mar 2009 17:06:35 +0100,
> 私 wrote:
> > 
> > > > What are "sliders"?
> > > 
> > > Umm, volume level controls.
> > 
> > Yes but there are many of such :)
> > 
> > More exactly, from the driver perspective, there are no volume
> > controls but only there are control elements with integer values.
> > Do you mean "Capture Volume" control or which one?

Hmm, ok, this needs to be more precise:
In gamix (codec "HDA Intel : Realtek ALC268"), the Capture Volume control.

> > And, is the behavior consistent regardless of the value high, i.e.
> > the key is only whether the values for both channels are identical?
> 
> BTW, what if you record with the following definition?
> Put the below to ~/.asoundrc
> 
> pcm.imix {
> 	type plug
> 	slave.pcm "hw"
> 	ttable.0.0 0.5
> 	ttable.0.1 -0.5
> }
> 
> and record like
> 
> 	% aplay -Dimix -c1 foo.wav

Does NOT exhibit the "equal sliders == no sound" bug (apart from this sliders
are acting normally, i.e. slider low == no sound), despite being a
"plug" type definition (this is what you wanted to discern, right? ;).

Thanks!

Andreas


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