I am currently running 4.2-rc3, I tested with acpi_osi= and backlight control work, however, if I remove the workaround from GRUB command line on boot, backlight keys stop working.
** Tags added: kernel-bug-exists-upstream-4.2-rc3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1421834 Title: Backlight keys not working on ASUS N550JK To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1421834/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
