Re: xbacklight on intel
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Hm, well it might just be that you have an unsupported platform. Some laptops
(notably Thinkpads) have their own backlight controllers that aren't wired up
to the GPU registers at all. In the Thinkpad case there's a kernel driver
you can load to get access to the backlight.
Have you looked around for an out-of-tree kernel module that supports the
extra features of your lifebook? If one exists, it may have
a /sys/class/backlight interface that the Intel driver can use...
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