--- xserver-xorg-input-evdev-2.7.0.orig/ChangeLog
+++ xserver-xorg-input-evdev-2.7.0/ChangeLog
@@ -1,3 +1,16 @@
+commit 99340147b9092a5aaec997eca407282a51e1f063
+Author: Peter Hutterer <peter.hutterer@who-t.net>
+Date: Thu Mar 15 15:46:32 2012 +1000
+
+ Fix inverted horizontal scroll (#46205)
+
+ REL_HWHEEL has a positive increment, not a negative one like REL_WHEEL.
+
+ X.Org Bug 46205 <http://bugs.freedesktop.org/show_bug.cgi?id=46205>
+
+ Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
+ Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
+
commit 76b1d58a9791257fa8b4e6d3322fcb082c86b18a
Author: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed Mar 7 20:39:09 2012 +1000