Signed-off-by: Andi Kleen <ak@suse.de>

Index: linux/drivers/usb/misc/appledisplay.c
===================================================================
--- linux.orig/drivers/usb/misc/appledisplay.c
+++ linux/drivers/usb/misc/appledisplay.c
@@ -141,6 +141,8 @@ static int appledisplay_bl_update_status
 	struct appledisplay *pdata = bl_get_data(bd);
 	int retval;
 
+	printk("ad update status\n");
+
 	pdata->msgdata[0] = 0x10;
 	pdata->msgdata[1] = bd->props.brightness;