diff --git a/drivers/staging/tm6000/tm6000-alsa.c b/drivers/staging/tm6000/tm6000-alsa.c
index cbe66ca0ec8a..7d675c72fd47 100644
--- a/drivers/staging/tm6000/tm6000-alsa.c
+++ b/drivers/staging/tm6000/tm6000-alsa.c
@@ -304,6 +304,7 @@ static int snd_tm6000_hw_free(struct snd_pcm_substream *substream)
 		schedule_work(&core->wq_trigger);
 	}
 
+	dsp_buffer_free(substream);
 	return 0;
 }