Ubuntu
alsa-driver package

  1. Bug #484576
  2. Comment #12

Comment 12 for bug 484576

Revision history for this message
Daniel T Chen (crimsun) wrote : Re: [Bug 484576] Card0.Amixer.values.txt

See:

Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]

Mute this.