[PATCH] Fix compilation of via-pmu-backlight

Signed-off-by: NAndreas Schwab <schwab@suse.de>
Cc: "Yu, Luming" <luming.yu@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

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;