Simple mixer control 'Master',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 55 [86%] [-9.00dB] [on]
  Front Right: Playback 55 [86%] [-9.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 254 [100%] [0.20dB]
  Front Right: Playback 254 [100%] [0.20dB]
Simple mixer control 'Mic Boost',0
  Capabilities: cvolume
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 2
  Front Left: Capture 2 [100%] [40.00dB]
  Front Right: Capture 2 [100%] [40.00dB]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 31
  Front Left: Capture 31 [100%] [31.50dB] [on]
  Front Right: Capture 31 [100%] [31.50dB] [on]
Simple mixer control 'Beep',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 12
  Mono:
  Front Left: Playback 3 [25%] [-18.00dB] [on]
  Front Right: Playback 3 [25%] [-18.00dB] [on]
Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'i-Mic' 'E-Mic'
  Item0: 'i-Mic'