I can confirm that executing "echo -n N | sudo tee /sys/module/video/parameters/brightness_switch_enabled" corrects the issue within a logged in X session, but leaves the TTYs and GDM unable to control the screen brightness.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/257827 Title: brightness changes twice when using hotkeys -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
