Red Hat Bugzilla – Bug 816330
Thinkpad X220 Tablet buttons on Bezel don't work
Last modified: 2013-02-13 17:26:18 EST
Description of problem:Thinkpad buttons (the three on the tablet bezel, as well as the microphone mute button) do not work, and do not send events that xev or acpi_listen detect
Version-Release number of selected component (if applicable):
How reproducible: Please test on F17. Always occurs on F16
Steps to Reproduce:
1. Boot fedora
2. Start either xev or acpi_listen
3. Press buttons
Actual results: No events detected from "circle arrow", "window orientation", or bezel power buttons. Microphone Mute button sends key 248 according to showkey, but nothing detected in acpi_listen or xev.
Expected results: I think "Circle Arrow" button should send XF86Tools, and "window orientation" button should send XF86RotateWindows. Remaining button on the bezel should be a power button.
I filed this under "acpi" as there was no "thinkpad_acpi" component listed.
Fedora 17 Default Installation status:
Xev recognizes the circle-arrow button as keycode 162, keysym 0x1008ff74, and XF86RotateWindows. Xev recognizes the rotate screen button as keycode 161, keysym 0x0 and NoSymbol. Xev does not recognize the third button at all. Xbindkeys recognizes all three as above, plus the third button is listed as m:0x0 + c:124 and XF86PowerOff.
I'm somewhat concerned by the NoSymbol one, but I don't know what to do about it.
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