Simple mixer control 'PCM',0
  Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31 Capture 0 - 31
  Front Left: Playback 25 [81%] [0.00dB] [on] Capture 25 [81%] [0.00dB] [on]
  Front Right: Playback 25 [81%] [0.00dB] [on] Capture 25 [81%] [0.00dB] [on]
Simple mixer control 'PCM',1
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 2
  Mono: 2 [100%]
Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 27 [87%] [4.00dB] [on]
  Front Right: Playback 27 [87%] [4.00dB] [on]
Simple mixer control 'Speaker',1
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [0.00dB] [on]
  Front Right: Playback 28 [90%] [-6.00dB] [on]