1 files changed, 2 insertions, 1 deletions
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
index df7a003682ad..d581f94b3fbf 100644
--- a/sound/usb/pcm.h
+++ b/sound/usb/pcm.h
@@ -9,6 +9,7 @@ void snd_usb_set_pcm_ops(struct snd_pcm *pcm, int stream);
 int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
 		       struct usb_host_interface *alts,
 		       struct audioformat *fmt);
-
+int snd_usb_enable_audio_stream(struct snd_usb_substream *subs,
+	bool enable);
 
 #endif /* __USBAUDIO_PCM_H */