Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 30
  Mono:
  Front Left: Playback 25 [83%] [-5.00dB] [on]
  Front Right: Playback 25 [83%] [-5.00dB] [on]
Simple mixer control 'Mic',0
  Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
  Capture channels: Mono
  Limits: Capture 0 - 40
  Mono: Capture 22 [55%] [22.00dB] [on]