Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 74
  Mono:
  Front Left: Playback 48 [65%] [-26.00dB] [on]
  Front Right: Playback 48 [65%] [-26.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 252 [99%] [0.60dB]
  Front Right: Playback 252 [99%] [0.60dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
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: 67 [84%] [-7.00dB] Playback [on]
  Front Right: 67 [84%] [-7.00dB] 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: 68 [85%] [-6.00dB] Playback [on]
  Front Right: 68 [85%] [-6.00dB] 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: 68 [85%] [-6.00dB] Playback [on]
  Front Right: 68 [85%] [-6.00dB] Playback [on]