Input: wacom - allow any multi-input Intuos device to set prox

The ability to set the proximity flag should apply to any device
that has both pen and touch input. Rather than listing classes of
devices known to meet this criteria, simply filter on the quirk
defining all such devices.
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Tested-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/tablet/wacom_wac.c

@@ -331,7 +331,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
 
 	/* Enter report */
 	if ((data[1] & 0xfc) == 0xc0) {
-		if (features->type >= INTUOS5S && features->type <= INTUOS5L)
+		if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
 			wacom->shared->stylus_in_proximity = true;
 
 		/* serial number of the tool */
@@ -419,7 +419,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
 
 	/* Exit report */
 	if ((data[1] & 0xfe) == 0x80) {
-		if (features->type >= INTUOS5S && features->type <= INTUOS5L)
+		if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
 			wacom->shared->stylus_in_proximity = false;
 
 		/*