Simple mixer control 'Auto Gain Control',0
  Capabilities: pswitch penum
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'Digital In',0
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 45
  Front Left: Capture 45 [100%] [0.00dB] [on]
  Front Right: Capture 45 [100%] [0.00dB] [on]