Re: [PATCH 3/3] dell-wmi: Don't report keypresses on keybord illumination change

From: Pali RohÃr
Date: Wed Dec 03 2014 - 18:31:51 EST

On Thursday 04 December 2014 00:16:23 Gabriele Mazzotta wrote:
> Keyboard illumination level changes are performed by the BIOS,
> so no events should be reported on keypress. This is already
> done on systems using the legacy keymap, do it also for
> systems that don't use it.
> Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
> ---

Tested-by: Pali RohÃr <pali.rohar@xxxxxxxxx>
CC: stable@xxxxxxxxxxxxxxx

Tested on Latitude E6440 and now userspace does not receive
KEY_KBDILLUMTOGGLE event, so does not try to change keyboard
backlight (which is already done by BIOS when key is pressed).

I suggest to backport this patch to stable kernels because this
problem is in all kernel versions which have dell-wmi.c driver.

Pali RohÃr

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