--- a/master/ioctl.h	Mon Jun 02 13:55:46 2008 +0000
+++ b/master/ioctl.h	Mon Jun 02 14:40:19 2008 +0000
@@ -62,6 +62,8 @@
     // outputs
     uint32_t vendor_id;
     uint32_t product_code;
+    uint32_t revision_number;
+    uint32_t serial_number;
     uint16_t alias;
     uint8_t state;
     uint8_t sync_count;