If I enable the nvidia driver I get a brightness indicator and a scrollbar in the "Brightness and Lock" applet. However neither hotkeys nor the scrollbar have any effect.
/sys/class/backlight/gmux_backlight$ grep . * actual_brightness:16777215 bl_power:0 brightness:1023 grep: device: Is a directory max_brightness:1023 grep: power: Is a directory grep: subsystem: Is a directory type:platform gaele@mozzy:/sys/class/backlight/gmux_backlight$ <Move the scrollbar to minimum brightness> /sys/class/backlight/gmux_backlight$ grep . * actual_brightness:16777215 bl_power:0 brightness:0 grep: device: Is a directory max_brightness:1023 grep: power: Is a directory grep: subsystem: Is a directory type:platform -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1115555 Title: Backlight control does not work, but there are entries in /sys/class/backlight. To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1115555/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs