diff --git a/sound/usb/card.c b/sound/usb/card.c
index 893d5a1afc3ce6bf854a61ef0c3f4f54cc552d0d..e769d39777164f8d898991f3b3d7b005102c3bf8 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -695,8 +695,9 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
 			chip->autosuspended = 1;
 	}
 
-	list_for_each_entry(mixer, &chip->mixer_list, list)
-		snd_usb_mixer_suspend(mixer);
+	if (chip->num_suspended_intf == 1)
+		list_for_each_entry(mixer, &chip->mixer_list, list)
+			snd_usb_mixer_suspend(mixer);
 
 	return 0;
 }