Sorry for the extra post, but people using Intel might find this workaround useful:
$ sudo -i $ echo 150 > /sys/class/backlight/intel_backlight/brightness Source: http://askubuntu.com/a/363806/170127 The maximum value is available in /sys/class/backlight/intel_backlight/max_brightness -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1241745 Title: [regression] Changing the screen brightness does not work anymore in 319.xx To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1241745/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
