Re: [PATCH 1/1] dell_laptop: add disable_backlight module parameter

From: Alex Davis
Date: Mon Dec 02 2013 - 08:37:16 EST





>On Sunday, December 1, 2013 8:43 PM, Alex Davis <alex14641@xxxxxxxxx> wrote:
>I have a Dell Inspiron N7010 Laptop with Intel graphics. When the dell-laptop module is >loaded,
>two backlight device devices are created; dell_backlight, and intel_backlight from the >Intel
>graphics driver. The dell_backlight device is non-functional, but the graphics subsystem >uses
>it instead of the functioning intel_backlight device. The result is that, when running >KDE,
>screen dimming does not work. I've added a module parameter, disable_backlight, which when
>true will disable the dell_backlight device, and leave only the intel_backlight: with >this,
>screen dimming works.
>
>Signed-off-by: Alex Davis <alex14641@xxxxxxxxx>

This patch is against 3.10.

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