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-rw-r--r--sound/usb/pcm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
index 35740d5ef268..f77ec58bf1a1 100644
--- a/sound/usb/pcm.h
+++ b/sound/usb/pcm.h
@@ -10,6 +10,7 @@ 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);
+void snd_usb_preallocate_buffer(struct snd_usb_substream *subs);
#endif /* __USBAUDIO_PCM_H */