backlight: Fix external uses of backlight internal semaphore

[safe/jmp/linux-2.6] / drivers / video / backlight / lcd.c

diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 9590248..1e1e61a 100644 (file)
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -198,6 +198,7 @@ struct lcd_device *lcd_device_register(const char *name, void *devdata,
                return ERR_PTR(-ENOMEM);
 
        init_MUTEX(&new_ld->sem);
+       mutex_init(&new_ld->update_lock);
        new_ld->props = lp;
        memset(&new_ld->class_dev, 0, sizeof(new_ld->class_dev));
        new_ld->class_dev.class = &lcd_class;