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

[Launchpad Bug Tracker]

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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

** Affects: linux (Ubuntu)
     Importance: Low
         Status: Incomplete

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Thinkpad T400s, T410s, T410, & T510 microphone mute button does not work
https://bugs.edge.launchpad.net/bugs/408903
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