Well, that's odd. There's certainly support for ACPI backlight control in your firmware, and it goes via opregion so it should work correctly. I think the thing to do here is to have the panasonic driver bail if there's ACPI backlight support, and then figure out why the ACPI video driver isn't working for you. -- 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