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-rw-r--r--sound/usb/helper.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/usb/helper.h b/sound/usb/helper.h
index 6afb70156ec4..5e8a18b4e7b9 100644
--- a/sound/usb/helper.h
+++ b/sound/usb/helper.h
@@ -31,4 +31,8 @@ static inline int snd_usb_ctrl_intf(struct snd_usb_audio *chip)
return get_iface_desc(chip->ctrl_intf)->bInterfaceNumber;
}
+/* in validate.c */
+bool snd_usb_validate_audio_desc(void *p, int protocol);
+bool snd_usb_validate_midi_desc(void *p);
+
#endif /* __USBAUDIO_HELPER_H */