Ubuntu
udev package

  1. Bug #408903
  2. Comment #2

Comment 2 for bug 408903

Revision history for this message
Jerone Young (jerone) wrote : Re: thinkpad t400s microphone mute button does not work

This is something I plan to look into for next release. The microphone mute key is not a standard key. It will not even work under windows without a special driver from Lenovo.

Though let me know what happens if you put acpi_osi=Linux on the command line.