Hi Mustafa, On Fri, Jan 12, 2018 at 1:33 PM, Mustafa Kuscu <mustafakuscu@xxxxxxxxx> wrote: > { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, > - USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) }, > + USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, This change is already included in the latest version of Linux so I assume you are just running an old version. Andy, still waiting for any more feedback on the issue detailed in this thread once you have a chance. Thanks Daniel