Comment 17 for bug 1002978

David Henningsson (diwic) wrote :

@Renzo, thanks for testing!

Possibly this is only a bug in alsamixer. If so, you might be able to change it with this command:
amixer -D hw:0 sset 'Inverted Internal Mic Capture Switch' 0

Also, could you give alsa-info output with this configuration?