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-rw-r--r--sound/usb/pcm.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
new file mode 100644
index 000000000..df7a00368
--- /dev/null
+++ b/sound/usb/pcm.h
@@ -0,0 +1,14 @@
+#ifndef __USBAUDIO_PCM_H
+#define __USBAUDIO_PCM_H
+
+snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs,
+ unsigned int rate);
+
+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);
+
+
+#endif /* __USBAUDIO_PCM_H */