Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 74
  Mono:
  Front Left: Playback 47 [64%] [-27.00dB] [on]
  Front Right: Playback 47 [64%] [-27.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'IEC958 Default PCM',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Docking Mic',0
  Capabilities: volume pswitch
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 80
  Front Left: 64 [80%] [-10.00dB] Playback [on]
  Front Right: 64 [80%] [-10.00dB] Playback [on]
Simple mixer control 'External Mic',0
  Capabilities: volume pswitch
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 80
  Front Left: 61 [76%] [-13.00dB] Playback [on]
  Front Right: 61 [76%] [-13.00dB] Playback [on]
Simple mixer control 'Internal Mic',0
  Capabilities: volume pswitch
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 80
  Front Left: 62 [78%] [-12.00dB] Playback [on]
  Front Right: 62 [78%] [-12.00dB] Playback [on]