[PATCH libinput 1/4] touchpad: don't try to unhover touches if nothing changed

[Peter Hutterer]

If the touch hasn't updated, the distance hasn't changed so there is no need
to unhover.

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 src/evdev-mt-touchpad.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 6f834fb..62087fb 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -743,6 +743,9 @@ tp_unhover_abs_distance(struct tp_dispatch *tp, uint64_t time)
 	for (i = 0; i < tp->ntouches; i++) {
 		t = tp_get_touch(tp, i);
 
+		if (!t->dirty)
+			continue;
+
 		if (t->state == TOUCH_HOVERING) {
 			if (t->distance == 0) {
 				/* avoid jumps when landing a finger */
-- 
2.5.0