I'm also affected on a Lenovo Ideapad Y450. The brightness keys doesn't show in the xev output, but they do show up the acpi_listen's output:
brightness up: video DD03 00000086 00000000 brighness down: video DD03 00000087 00000000 How can I set these keys to work thru acpi? -- [Karmic] Brightness fn keys lost functionality (multiple laptops) https://bugs.launchpad.net/bugs/406515 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs