linux-kernel - [PATCH v7 3/9] dt-bindings: input: touchscreen: add minimum pressure touchscreen property

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Date:   Tue, 22 May 2018 10:52:33 +0300
From:   Eugen Hristev <eugen.hristev@...rochip.com>
To:     <jic23@...nel.org>, <ludovic.desroches@...rochip.com>,
        <alexandre.belloni@...tlin.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-iio@...r.kernel.org>, <linux-input@...r.kernel.org>,
        <nicolas.ferre@...rochip.com>, <dmitry.torokhov@...il.com>,
        <robh@...nel.org>
CC:     Eugen Hristev <eugen.hristev@...rochip.com>
Subject: [PATCH v7 3/9] dt-bindings: input: touchscreen: add minimum pressure touchscreen property

Add a common touchscreen optional property that will specify
the minimum pressure applied to the screen that is needed
such that the driver will report the touch event.

Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
Changes in v5:
 - Modified property name to touchscreen-min-pressure from
touchscreen-threshold-property

 Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
index 537643e..d092d5d 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
@@ -7,6 +7,9 @@ Optional properties for Touchscreens:
 				  (in pixels)
  - touchscreen-max-pressure	: maximum reported pressure (arbitrary range
 				  dependent on the controller)
+ - touchscreen-min-pressure	: minimum pressure on the touchscreen to be
+				  achieved in order for the touchscreen
+				  driver to report a touch event.
  - touchscreen-fuzz-x		: horizontal noise value of the absolute input
 				  device (in pixels)
  - touchscreen-fuzz-y		: vertical noise value of the absolute input
-- 
2.7.4