Input: psmouse - export protocol as a sysfs per-device attribute

to allow easy switching at run-time.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/mouse/psmouse.h

@@ -78,6 +78,7 @@ enum psmouse_type {
 	PSMOUSE_SYNAPTICS,
 	PSMOUSE_ALPS,
 	PSMOUSE_LIFEBOOK,
+	PSMOUSE_AUTO		/* This one should always be last */
 };
 
 int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);