Comment 15 for bug 482922

Check these mixer controls:

Simple mixer control 'Mic Select',0
  Capabilities: enum
  Items: 'Mic1' 'Mic2'
  Item0: 'Mic1'
^^^^^^^^^^^ Are you certain that you don't need to toggle this?

Simple mixer control 'AMic',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 100
  Mono:
  Front Left: Playback 0 [0%] [-99999.99dB]
  Front Right: Playback 0 [0%] [-99999.99dB]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ zeroed; raise

Simple mixer control 'Analog Capture Boost',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ muted; needs unmuting

Simple mixer control 'Analog Mix',0
  Capabilities: pvolume cvolume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 100 Capture 0 - 100
  Front Left: Playback 0 [0%] [-99999.99dB] Capture 0 [0%] [-99999.99dB]
  Front Right: Playback 0 [0%] [-99999.99dB] Capture 0 [0%] [-99999.99dB]
^^^^^^^^^^^^^^^^^^^^^^^^^ raise both capture and playback levels

Simple mixer control 'Audigy Analog/Digital Output Jack',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
^^^^^^^^^^^ If playback is inaudible, too, then this needs to be muted