Ubuntu 13.04 - Dell Vostro 3360 - amixer output

marcelo@neptuno:~$ amixer
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 115
  Mono:
  Front Left: Playback 70 [61%] [-22.50dB] [on]
  Front Right: Playback 70 [61%] [-22.50dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume penum
  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',0
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 3
  Front Left: Capture 0 [0%] [0.00dB]
  Front Right: Capture 0 [0%] [0.00dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 63
  Front Left: Capture 50 [79%] [-1.00dB] [on]
  Front Right: Capture 50 [79%] [-1.00dB] [on]
Simple mixer control 'Digital',0
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 120
  Front Left: Capture 83 [69%] [11.50dB]
  Front Right: Capture 83 [69%] [11.50dB]
Simple mixer control 'Internal Mic',0
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 2
  Front Left: Capture 2 [100%] [20.00dB]
  Front Right: Capture 2 [100%] [20.00dB]