[PATCH libinput 1/2] touchpad: fix pinned finger drifting

[Peter Hutterer]

This caused the finger to be unpinned on the first motion event after the
click, effectively disabling this feature.

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 src/evdev-mt-touchpad.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index c82d733..ce79530 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -440,8 +440,8 @@ tp_unpin_finger(struct tp_dispatch *tp, struct tp_touch *t)
 	}
 
 	/* The finger may slowly drift, adjust the center */
-	t->pinned.center.x = t->point.x + t->pinned.center.x / 2;
-	t->pinned.center.y = t->point.y + t->pinned.center.y / 2;
+	t->pinned.center.x = (t->point.x + t->pinned.center.x)/2;
+	t->pinned.center.y = (t->point.y + t->pinned.center.y)/2;
 }
 
 static void
-- 
2.4.3