1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/acpi/sony_acpi.c b/drivers/acpi/sony_acpi.c
index fd7d55a4e588..195895ca4346 100644
--- a/drivers/acpi/sony_acpi.c
+++ b/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");
                 }