sprintf(name, "acpi_video%d", count++);
device->backlight = backlight_device_register(name,
NULL, device, &acpi_backlight_ops);
- device->backlight->props.max_brightness = device->brightness->count-3;
kfree(name);
+ if (IS_ERR(device->backlight))
+ return;
+ device->backlight->props.max_brightness = device->brightness->count-3;
result = sysfs_create_link(&device->backlight->dev.kobj,
&device->dev->dev.kobj, "device");
unsigned long long level_current, level_next;
int result = -EINVAL;
+ /* no warning message if acpi_backlight=vendor is used */
+ if (!acpi_video_backlight_support())
+ return 0;
+
if (!device->brightness)
goto out;