From: Lucas Stach <l.stach@pengutronix.de>
Date: Mon, 25 Jan 2021 18:47:36 +0000 (+0100)
Subject: arm64: dts: zii-rmb3: enable RMI4 reduced reporting
X-Git-Tag: accepted/tizen/unified/20230118.172025~7896^2~8^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=370d82d3facfb3709c3f4c793229f5b8f5c7001e;p=platform%2Fkernel%2Flinux-rpi.git

arm64: dts: zii-rmb3: enable RMI4 reduced reporting

To use the reduced reporting mode the threshold values need to be set
explicitly. Configure the threshold to be less than 0.5% of the full
touchscreen range. This seems to be a good compromise between system
load and input accurancy.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra-rmb3.dts b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra-rmb3.dts
index b3743f9..631e01c 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra-rmb3.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra-rmb3.dts
@@ -127,6 +127,8 @@
 			touchscreen-inverted-x;
 			touchscreen-swapped-x-y;
 			syna,sensor-type = <1>;
+			syna,delta-x-threshold = <5>;
+			syna,delta-y-threshold = <10>;
 		};
 
 		rmi4-f12@12 {