I can confirm that brightness controll works on Lubuntu alpha2 - http://cdimage.ubuntu.com/lubuntu/releases/15.10/alpha-2/wily-desktop- amd64.iso
$uname -r 4.1.0.2-generic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1454207 Title: Samsung 730U3E LCD backlight brightness control doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1454207/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs