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I have an optimus laptop which I've have been using with intel driver until I started having problems with the driver. I switched over to modesetting driver which has solved all problems except that I lost the ability to control the backlight. I tried directing the modesetting driver to the intel card by having the following in my xorg.conf:
Section "Device"
Identifier "Card0"
Driver "modesetting"
Option "Backlight" "intel_backlight"
EndSection
However, this did not solve the problem. How do I set up my modesetting driver to control the backlight?
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You should try this : https://github.com/wavexx/acpilight/
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