0x90011 prog1 # Thinkvantage button
0x90015 camera # Fn+F6 headset/camera VoIP key ??
-0x90010 micmute # Microphone mute button
+0x90010 f20 # Microphone mute button; should be micmute, but see https://mail.gnome.org/archives/commits-list/2013-January/msg05822.html