xbacklight doesn't work with modesetting on intel
Submitted by Vincent Bernat
Assigned to Xorg Project Team
Description
Created attachment 124584 xorg.log
Hey!
After switching from intel to modesetting, xbacklight doesn't work anymore:
$ xbacklight = 20 No outputs have backlight property
However, a backlight control is present in sysfs:
/sys/class/backlight/intel_backlight
In Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=824987
Attachment 124584, "xorg.log":
Xorg.0.log