I confirm that backlight controls work both with 4.0-rc1 and 3.19.0-997. However, with 3.19.0-997 the external usb mouse moves the pointer on the screen with a lag of the order of one second, being unusable. Probably this is unrelated.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1440270 Title: regression: backlight can't be adjusted on UX32VD with 3.19.0-12-generic kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1440270/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs