From 3c5483ac160572e6b5ede10561a790e5c21d717e Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Tue, 5 Jan 2016 11:09:35 +1000
Subject: [PATCH] tablet: don't set a pressure offset of 0

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Jason Gerecke <jason.gerecke@wacom.com>
---
 src/evdev-tablet.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/evdev-tablet.c b/src/evdev-tablet.c
index 1dc607be..b4182574 100644
--- a/src/evdev-tablet.c
+++ b/src/evdev-tablet.c
@@ -1047,6 +1047,9 @@ detect_pressure_offset(struct tablet_dispatch *tablet,
 		return;
 	}
 
+	if (offset == 0)
+		return;
+
 	/* we only set a pressure offset on proximity in */
 	if (!tablet_has_status(tablet, TABLET_TOOL_ENTERING_PROXIMITY))
 		return;