--- linux-2.6.11.3/drivers/input/mouse/psmouse.h.orig	2005-03-15 20:22:45.000000000 +0100
+++ linux-2.6.11.3/drivers/input/mouse/psmouse.h	2005-03-15 20:47:12.000000000 +0100
@@ -79,6 +79,7 @@
 	PSMOUSE_IMEX,
 	PSMOUSE_SYNAPTICS,
 	PSMOUSE_ALPS,
+	PSMOUSE_TRACKPOINT,
 };
 
 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);