[alsa-devel] Linux 2.6.22 and SB-Live! - broken microphone capture?

Chris Rankin rankincj at yahoo.com
Thu Aug 9 03:03:05 CEST 2007

--- Stefan de Konink <skinkie at xs4all.nl> wrote:
> On Thu, 9 Aug 2007, Chris Rankin wrote:
> > The microphone works, is plugged into the correct slot, and (AFAICT) all the mixer settings
> are
> > correct:
> >
> > - playback AC97 = 0
> > - capture AC97 = 100
> > - mic select = mic1
> > - mic set to capture
> > - capture volume = 100, and set to capture
> Is it possible something like 'Digital' is set muted/unmuted?

Thanks, but I think this is a false alarm. When I cold-booted this PC, I found that the
snd-emu10k1 driver started refusing to load. Apparently the AC97 codec was failing to initialise
(suddenly). Removing the card, rebooting, shutting down and replacing the card seems to have done
the trick, for now at least.

My only problem now is that I don't know what caused the problem in the first place. Could
scanning the i2c bus for sensors do this? Considering that whatever happened couldn't be fixed by
a cold boot alone.


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