From 0042789fce224f7387a9a1e82ef4ebeddb5dd2ec Mon Sep 17 00:00:00 2001
From: hselasky <hselasky@FreeBSD.org>
Date: Thu, 15 Sep 2016 08:35:46 +0000
Subject: [PATCH] MFC r305590: Correctly map the USB mouse tilt delta values
 into buttons 5 and 6 instead of 3 and 4 which is used for the scroll wheel,
 according to X.org.

PR:		170358
---
 sys/dev/usb/input/ums.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/usb/input/ums.c b/sys/dev/usb/input/ums.c
index cc52b992762f..4b122f241bc3 100644
--- a/sys/dev/usb/input/ums.c
+++ b/sys/dev/usb/input/ums.c
@@ -288,9 +288,9 @@ ums_intr_callback(struct usb_xfer *xfer, usb_error_t error)
 
 			/* translate T-axis into button presses until further */
 			if (dt > 0)
-				buttons |= 1UL << 3;
+				buttons |= 1UL << 5;
 			else if (dt < 0)
-				buttons |= 1UL << 4;
+				buttons |= 1UL << 6;
 
 			sc->sc_status.button = buttons;
 			sc->sc_status.dx += dx;