diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h
index 202350a..8776616 100644
--- a/include/sound/hdaudio_ext.h
+++ b/include/sound/hdaudio_ext.h
@@ -87,6 +87,9 @@
 void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus,
 				struct hdac_ext_stream *stream, int idx,
 				int direction, int tag);
+int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx,
+		int num_stream, int dir);
+void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus);
 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus,
 					   struct snd_pcm_substream *substream,
 					   int type);