Subject: lifebook - work properly on Panasonic CF-18

Input: lifebook - work properly on Panasonic CF-18

Panasonic CF18 has an active multiplexing controller with
touchscreen connected to one port and a touchpad to another.
Use "phys" from serio port to activate lifebook protoocol
only on the port that has touchscreen connected to it.

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

 drivers/input/mouse/lifebook.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+)

Index: 2.6.18/drivers/input/mouse/lifebook.c
===================================================================
--- 2.6.18.orig/drivers/input/mouse/lifebook.c
+++ 2.6.18/drivers/input/mouse/lifebook.c
@@ -20,6 +20,14 @@
 #include "psmouse.h"
 #include "lifebook.h"
 
+static const char *desired_serio_phys;
+
+static int lifebook_set_serio_phys(struct dmi_system_id *d)
+{
+	desired_serio_phys = d->driver_data;
+	return 0;
+}
+
 static struct dmi_system_id lifebook_dmi_table[] = {
        {
                .ident = "LifeBook B",
@@ -50,6 +58,9 @@ static struct dmi_system_id lifebook_dmi
                .matches = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"),
                },
+               .callback = lifebook_set_serio_phys,
+               .driver_data = "isa0060/serio3",
+
        },
        {
                .ident = "Lifebook B142",
@@ -134,6 +145,10 @@ int lifebook_detect(struct psmouse *psmo
         if (!dmi_check_system(lifebook_dmi_table))
                 return -1;
 
+	if (desired_serio_phys &&
+	    strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys))
+		return -1;
+
 	if (set_properties) {
 		psmouse->vendor = "Fujitsu";
 		psmouse->name = "Lifebook TouchScreen";