From 9deb189ddc050fe8ac0313121480a82ece4896f1 Mon Sep 17 00:00:00 2001
From: Nick Hibma <n_hibma@FreeBSD.org>
Date: Sat, 1 May 1999 13:17:47 +0000
Subject: [PATCH] Z direction was upside down.

Submitted By: MAEKAWA Masahide
---
 sys/dev/usb/ums.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sys/dev/usb/ums.c b/sys/dev/usb/ums.c
index 4d3578b7655..fefd3427596 100644
--- a/sys/dev/usb/ums.c
+++ b/sys/dev/usb/ums.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ums.c,v 1.19 1999/01/08 11:58:25 augustss Exp $	*/
+/*	$NetBSD: ums.c,v 1.22 1999/01/12 22:06:48 augustss Exp $	*/
 /*	$FreeBSD$	*/
 
 /*
@@ -38,6 +38,10 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+/*
+ * HID spec: http://www.usb.org/developers/data/usbhid10.pdf
+ */
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/kernel.h>
@@ -439,7 +443,7 @@ ums_intr(reqh, addr, status)
 
 	dx =  hid_get_data(ibuf, &sc->sc_loc_x);
 	dy = -hid_get_data(ibuf, &sc->sc_loc_y);
-	dz =  hid_get_data(ibuf, &sc->sc_loc_z);
+	dz = -hid_get_data(ibuf, &sc->sc_loc_z);
 	for (i = 0; i < sc->nbuttons; i++)
 		if (hid_get_data(ibuf, &sc->sc_loc_btn[i]))
 			buttons |= (1 << UMS_BUT(i));