Simple mixer control 'Mic',0
  Capabilities: cvolume cswitch cswitch-joined penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 256
  Front Left: Capture 256 [100%] [0.00dB] [on]
  Front Right: Capture 256 [100%] [0.00dB] [on]