diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 33a1764..15a1271 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -43,6 +43,7 @@
 	atomic_t usage_count;
 	wait_queue_head_t shutdown_wait;
 	unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
+	unsigned int tx_length_quirk:1; /* Put length specifier in transfers */
 	
 	int num_interfaces;
 	int num_suspended_intf;