Simple mixer control 'Master',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 43
  Mono:
  Front Left: Playback 31 [72%] [on]
  Front Right: Playback 31 [72%] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%]
  Front Right: Playback 255 [100%]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 23
  Front Left: Capture 23 [100%] [on]
  Front Right: Capture 23 [100%] [on]