[alsa-devel] SigmaTel STAC9221 - Mux Amp-Out > 0x02 == microphone not working

[Ivan N. Zlatev]

On 5/29/07, Takashi Iwai <tiwai at suse.de> wrote:
>
> And, does this volume have any influence on the quality of recorded
> sound at all?  If not, we should remove this control rather than
> keeping a dangerous thing...
>

Yes. This controls the microphone boost level (without boost the sound
recorded has *very* low volume). Also Windows shows  up a +20db
microphone boost slider on this machine.

-- 
Ivan N. Zlatev

Web: http://www.i-nZ.net
"It's all some kind of whacked out conspiracy."