Simple mixer control 'PCM',0
  Capabilities: pvolume pvolume-joined cvolume pswitch pswitch-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: Playback 0 - 100 Capture 0 - 15
  Mono: Playback 100 [100%] [0.00dB] [on] Capture 3 [20%] [4.50dB]