acpi_backlight_native
return acpi_backlight_native;
acpi_backlight_dmi = acpi_backlight_native;
acpi_backlight_cmdline = acpi_backlight_native;
if (acpi_video_get_backlight_type() == acpi_backlight_native) {
return __acpi_video_get_backlight_type(true, NULL) == acpi_backlight_native;