Input: psmouse - use boolean type

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index dcd4236..5e63086 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -33,11 +33,11 @@
 	return 0;
 }
 
-static unsigned char lifebook_use_6byte_proto;
+static bool lifebook_use_6byte_proto;
 
 static int lifebook_set_6byte_proto(const struct dmi_system_id *d)
 {
-	lifebook_use_6byte_proto = 1;
+	lifebook_use_6byte_proto = true;
 	return 0;
 }
 
@@ -125,7 +125,7 @@
 	struct input_dev *dev1 = psmouse->dev;
 	struct input_dev *dev2 = priv ? priv->dev2 : NULL;
 	unsigned char *packet = psmouse->packet;
-	int relative_packet = packet[0] & 0x08;
+	bool relative_packet = packet[0] & 0x08;
 
 	if (relative_packet || !lifebook_use_6byte_proto) {
 		if (psmouse->pktcnt != 3)
@@ -242,7 +242,7 @@
 	psmouse->private = NULL;
 }
 
-int lifebook_detect(struct psmouse *psmouse, int set_properties)
+int lifebook_detect(struct psmouse *psmouse, bool set_properties)
 {
         if (!dmi_check_system(lifebook_dmi_table))
                 return -1;