https://bugzilla.novell.com/show_bug.cgi?id=770993
https://bugzilla.novell.com/show_bug.cgi?id=770993#c7
--- Comment #7 from Michal Veselenyi 2012-07-16 17:53:38 UTC ---
I attached lsmod output from 11.3. The module responsible for backlight
manipulation is 'video' (kernel/drivers/acpi/video.ko).
- rmmod video: will empty the contents of /sys/class/backlight and the
brightness buttons will do nothing
- modprobe video: will fill some entries in /sys/class/backlight and the
brightness buttons do OK.
It doesn't depend on nvidia driver. The backlight manipulation works in console
(e.g. runlevel 3).
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