The parent of the backlight doesn't let you determine whether it's a platform or a firmware interface without heuristics. I'd prefer to explicitly define that. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html