1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index 6c29fe727c0f..801a974342f9 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -147,7 +147,7 @@ void __init pmu_backlight_init()
 
         snprintf(name, sizeof(name), "pmubl");
 
-        bd = backlight_device_register(name, NULL, &pmu_backlight_data);
+        bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data);
         if (IS_ERR(bd)) {
                 printk("pmubl: Backlight registration failed\n");
                 goto error;