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-rw-r--r--sound/usb/helper.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/usb/helper.h b/sound/usb/helper.h
index d338bd0e0ca6..6afb70156ec4 100644
--- a/sound/usb/helper.h
+++ b/sound/usb/helper.h
@@ -7,6 +7,7 @@ unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size);
void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype);
void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype);
+int snd_usb_pipe_sanity_check(struct usb_device *dev, unsigned int pipe);
int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe,
__u8 request, __u8 requesttype, __u16 value, __u16 index,
void *data, __u16 size);