Index: acpi4asus-0.32/driver/asus_acpi.c
===================================================================
--- acpi4asus-0.32.orig/driver/asus_acpi.c
+++ acpi4asus-0.32/driver/asus_acpi.c
@@ -2092,7 +2092,7 @@ static int __init asus_acpi_init(void)
 	}
 
 #ifdef CONFIG_ACPI_ASUS_NEW_BACKLIGHT
-	bd = backlight_device_register ("asus", NULL, &asusbl_data);
+	bd = backlight_device_register ("asus", NULL, NULL, &asusbl_data);
 
 	if (IS_ERR (bd)) {
 		printk(KERN_ERR "Could not register asus backlight device\n");