Simple mixer control 'Master',0
  Capabilities: pvolume penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 55 [86%] [-8.00dB]
  Front Right: Playback 55 [86%] [-8.00dB]
Simple mixer control 'PCM',0
  Capabilities: pvolume penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 253 [99%] [0.40dB]
  Front Right: Playback 253 [99%] [0.40dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 46
  Front Left: Capture 29 [63%] [12.00dB] [on]
  Front Right: Capture 29 [63%] [12.00dB] [on]