acpi_video_backlight_use_native
if (!acpi_video_backlight_use_native()) {
if (!acpi_video_backlight_use_native()) {
if (!acpi_video_backlight_use_native()) {
if (!acpi_video_backlight_use_native()) {
return acpi_video_backlight_use_native();
if (!acpi_video_backlight_use_native()) {
if (!acpi_video_backlight_use_native()) {