diff --git a/[refs] b/[refs]
index ec1c6a4b7322..8fb3af8218fb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 243e8b191df4e9c11e62ea11fa298351997e98c3
+refs/heads/master: 82c47731f77e7615f5a952c662d873b55e71f3b9
diff --git a/trunk/drivers/acpi/sony_acpi.c b/trunk/drivers/acpi/sony_acpi.c
index fd7d55a4e588..195895ca4346 100644
--- a/trunk/drivers/acpi/sony_acpi.c
+++ b/trunk/drivers/acpi/sony_acpi.c
@@ -322,7 +322,7 @@ static int sony_acpi_add(struct acpi_device *device)
 
 	if (ACPI_SUCCESS(acpi_get_handle(sony_acpi_handle, "GBRT", &handle))) {
 		sony_backlight_device = backlight_device_register("sony", NULL,
-					&sony_backlight_properties);
+					NULL, &sony_backlight_properties);
 	        if (IS_ERR(sony_backlight_device)) {
         	        printk(LOG_PFX "unable to register backlight device\n");
 		}