Can you try adding this line:
Option "RegistryDwords" "EnableBrightnessControl=1"
to your /etc/X11/xorg.conf at the bottom of the device section? It's not
something we can globally enable but it does fix many issues similar to
this.
** Changed in: nvidia-graphics-drivers-180 (Ubuntu)
Status: New => Incomplete
--
backlight not appearing in sysfs nor laptop_panel in lshal for sony vaio fz
https://bugs.launchpad.net/bugs/377353
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs