diff --git a/sound/core/control.c b/sound/core/control.c
index 5747453..22565c9b 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -664,7 +664,7 @@
 	if (copy_from_user(&info, _info, sizeof(info)))
 		return -EFAULT;
 	snd_power_lock(ctl->card);
-	result = snd_power_wait(ctl->card, SNDRV_CTL_POWER_D0, NULL);
+	result = snd_power_wait(ctl->card, SNDRV_CTL_POWER_D0);
 	if (result >= 0)
 		result = snd_ctl_elem_info(ctl, &info);
 	snd_power_unlock(ctl->card);
@@ -718,7 +718,7 @@
 		return -EFAULT;
 	}
 	snd_power_lock(card);
-	result = snd_power_wait(card, SNDRV_CTL_POWER_D0, NULL);
+	result = snd_power_wait(card, SNDRV_CTL_POWER_D0);
 	if (result >= 0)
 		result = snd_ctl_elem_read(card, control);
 	snd_power_unlock(card);
@@ -783,7 +783,7 @@
 	}
 	card = file->card;
 	snd_power_lock(card);
-	result = snd_power_wait(card, SNDRV_CTL_POWER_D0, NULL);
+	result = snd_power_wait(card, SNDRV_CTL_POWER_D0);
 	if (result >= 0)
 		result = snd_ctl_elem_write(card, file, control);
 	snd_power_unlock(card);