From: Hans de Goede <hdegoede@redhat.com>
Date: Fri, 18 Jul 2014 09:06:37 +0000 (+0200)
Subject: touchpad: Don't process fake touches if they are not dirty
X-Git-Tag: 0.5.0~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9720c16eccec922630cde4ebf20490a688b33f35;p=platform%2Fupstream%2Flibinput.git

touchpad: Don't process fake touches if they are not dirty

Don't process fake touches, e.g. re-adding the same position to the motion
history when they are not dirty. This could trigger for example on a button
press.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 6466c1bd..efe24d1c 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -408,10 +408,11 @@ tp_process_state(struct tp_dispatch *tp, uint64_t time)
 			t->y = first->y;
 			if (!t->dirty)
 				t->dirty = first->dirty;
-		} else if (!t->dirty) {
-			continue;
 		}
 
+		if (!t->dirty)
+			continue;
+
 		tp_palm_detect(tp, t, time);
 
 		tp_motion_hysteresis(tp, t);