Simple mixer control 'PCM',0
  Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 256 Capture 0 - 8
  Front Left: Playback 191 [75%] [93.59dB] [on] Capture 0 [0%] [0.00dB] [on]
  Front Right: Playback 191 [75%] [93.59dB] [on] Capture 0 [0%] [0.00dB] [on]
  Rear Left: Playback 191 [75%] [93.59dB] [on]
  Rear Right: Playback 191 [75%] [93.59dB] [on]
  Front Center: Playback 191 [75%] [93.59dB] [on]
  Woofer: Playback 191 [75%] [93.59dB] [on]