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dt-bindings: input: touchscreen: add minimum pressure touchscreen property

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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@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Eugen Hristev 2018-05-22 10:52:33 +03:00 committed by Jonathan Cameron
parent 3055a6cfa0
commit 15e20eabd7
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt
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@ -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