--- a/me8100.h	Wed Jan 16 20:33:24 2002 +0100
+++ b/me8100.h	Thu Jan 17 20:25:34 2002 +0100
@@ -135,6 +135,7 @@
 #define ME8100_CTRL_IRQ_MASK		0x60
 
 #define ME8100_CTRL_REG		       0x00	  //( ,w)
+#define ME8100_DI_REG		       0x04	  //(r, )
 #define ME8100_DO_REG		       0x06	  //( ,w)
 
 /* ME8100 Register Set A */