Input: ALPS - fix trackstick button handling on V8 devices

Alps stick devices always have physical buttons, so we should not check
ALPS_BUTTONPAD flag to decide whether we should report them.

Fixes: 4777ac2 ("Input: ALPS - add touchstick support for SS5 hardware")
Signed-off-by: Masaki Ota <[email protected]>
Acked-by: Pali Rohar <[email protected]>
Tested-by: Paul Donohue <[email protected]>
Tested-by: Nick Fletcher <[email protected]>
Cc: [email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>

Author: Masaki Ota

drivers/input/mouse/alps.c

@@ -1282,10 +1282,8 @@ static int alps_decode_ss4_v2(struct alps_fields *f,
 	/* handle buttons */
 	if (pkt_id == SS4_PACKET_ID_STICK) {
 		f->ts_left = !!(SS4_BTN_V2(p) & 0x01);
-		if (!(priv->flags & ALPS_BUTTONPAD)) {
-			f->ts_right = !!(SS4_BTN_V2(p) & 0x02);
-			f->ts_middle = !!(SS4_BTN_V2(p) & 0x04);
-		}
+		f->ts_right = !!(SS4_BTN_V2(p) & 0x02);
+		f->ts_middle = !!(SS4_BTN_V2(p) & 0x04);
 	} else {
 		f->left = !!(SS4_BTN_V2(p) & 0x01);
 		if (!(priv->flags & ALPS_BUTTONPAD)) {