Comment 35 for bug 1002978

David Henningsson (diwic) wrote :

 > Didn't manage to do anything to mute "Inverted Internal Mic", as does not show up -> would this be the problem? (see screen shot)

You need to press "F4" to see capture controls. By default, only playback controls are shown.

In case this does not work, please give alsa-info according to https://wiki.ubuntu.com/Audio/AlsaInfo - maybe there is more than one ID for eM350.