[Bug 408903] Re: Thinkpad T400s, T410s, T410, & T510 microphone mute button does not work

[Daniël van Eeden]

The microphone mute button needs:
- Support in linux
- Support in high level tools (There is no key binding in GNOME for microphone mute a.t.m.)

The microphone mute button also has a LED(-like) indicator which also
needs support.

The LED(-like) indicator for the 'normal' mute button can easily get out
of sync with the indicator-sound-service one.

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https://bugs.launchpad.net/bugs/408903

Title:
  Thinkpad T400s, T410s, T410, & T510 microphone mute button does not
  work

Status in “acpi-support” package in Ubuntu:
  Invalid
Status in “gnome-control-center” package in Ubuntu:
  Invalid
Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 9.04

  Pressing the new microphone mute button does not do anything.  It
  should toggle the mute on the current capture device and toggle an led
  that is part of the button.

  acpi_listen output:

  ibm/hotkey HKEY 00000080 0000101b

  
  xev output:

  MappingNotify event, serial 34, synthetic NO, window 0x0,
      request MappingKeyboard, first_keycode 8, count 248  

  MappingNotify event, serial 34, synthetic NO, window 0x0,
      request MappingKeyboard, first_keycode 8, count 247

  KeyPress event, serial 34, synthetic NO, window 0x3400001,
      root 0x118, subw 0x0, time 10334714, (317,-162), root:(322,207),
      state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
      XLookupString gives 0 bytes:
      XmbLookupString gives 0 bytes:
      XFilterEvent returns: False

  KeyRelease event, serial 34, synthetic NO, window 0x3400001,
      root 0x118, subw 0x0, time 10334714, (317,-162), root:(322,207),
      state 0x0, keycode 248 (keysym 0x0, NoSymbol), same_screen YES,
      XLookupString gives 0 bytes:
      XFilterEvent returns: False