Comment 6 for bug 1440891

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