Port the backlight selection logic to the new backlight interface
selection API.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
         * backlight control and supports more levels than other options.
         * Disable the other backlight choices.
         */
-       acpi_video_dmi_promote_vendor();
-       acpi_video_unregister_backlight();
+       acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
        apple_bl_unregister();
 
        gmux_data->power_state = VGA_SWITCHEROO_ON;