From 2dbf998aa82f8052df1eba1c5b4cfcb24e6521cf Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 22 Jul 2015 12:24:47 +1000
Subject: [PATCH] touchpad: a pressure change alone needs touch processing,
 mark as dirty

A thumb may not move, but may change pressure so we need to process
accordingly.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
---
 src/evdev-mt-touchpad.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index c06b5177..0b39bf60 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -315,6 +315,8 @@ tp_process_absolute(struct tp_dispatch *tp,
 		break;
 	case ABS_MT_PRESSURE:
 		t->pressure = e->value;
+		t->dirty = true;
+		tp->queued |= TOUCHPAD_EVENT_MOTION;
 		break;
 	}
 }