Can any one else confirm that directly changing via the command line is instant ? It certainly is for me eg.
$ cat /sys/class/backlight/intel_backlight/max_brightness 976 $ cat /sys/class/backlight/intel_backlight/brightness 123 $ echo 600 | sudo tee /sys/class/backlight/intel_backlight/brightness 600 $ echo 200 | sudo tee /sys/class/backlight/intel_backlight/brightness 200 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/847001 Title: Adjusting display brightness is very slow on several Dell laptops To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/847001/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
