diff --git a/sound/firewire/tascam/tascam-midi.c b/sound/firewire/tascam/tascam-midi.c
index 760f72a86c27..4a741570d536 100644
--- a/sound/firewire/tascam/tascam-midi.c
+++ b/sound/firewire/tascam/tascam-midi.c
@@ -30,12 +30,15 @@ static int midi_capture_close(struct snd_rawmidi_substream *substream)
 }
 
 static int midi_playback_close(struct snd_rawmidi_substream *substream)
+{
+	return 0;
+}
+
+static void midi_playback_drain(struct snd_rawmidi_substream *substream)
 {
 	struct snd_tscm *tscm = substream->rmidi->private_data;
 
 	snd_fw_async_midi_port_finish(&tscm->out_ports[substream->number]);
-
-	return 0;
 }
 
 static void midi_capture_trigger(struct snd_rawmidi_substream *substrm, int up)
@@ -77,6 +80,7 @@ int snd_tscm_create_midi_devices(struct snd_tscm *tscm)
 	static const struct snd_rawmidi_ops playback_ops = {
 		.open		= midi_playback_open,
 		.close		= midi_playback_close,
+		.drain		= midi_playback_drain,
 		.trigger	= midi_playback_trigger,
 	};
 	struct snd_rawmidi *rmidi;