--- hdsp.h.old	2005-01-26 16:34:09.000000000 +0100
+++ hdsp.h	2005-01-26 16:34:15.000000000 +0100
@@ -63,7 +63,6 @@
 	unsigned char clock_source;
 	unsigned char autosync_ref;
 	unsigned char line_out;
-	unsigned char passthru; 
 	unsigned char da_gain;
 	unsigned char ad_gain;
 	unsigned char phone_gain;