Comment 4 for bug 1348890

There are no events at all in your log. So either "Asus WMI hotkeys" isn't the right device for the brightness keys, can you try "AT Translated Set 2 keyboard"? Or (more likely in this case), the kernel driver needs to be fixed to actually generate key events for the brightness keys; that's the case if you don't get any events on any of the input devices. Thanks!