Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 9472
  Mono:
  Front Left: Playback 2477 [26%] [0.00dB] [on]
  Front Right: Playback 2477 [26%] [0.00dB] [on]
Simple mixer control 'Loudness',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [on]