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

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by

Eugen Hristev and committed by

Jonathan Cameron 7 years ago 15e20eab 3055a6cf

1 changed file

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Documentation

devicetree

bindings

input

touchscreen

touchscreen.txt

Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt

··· 7 7 (in pixels) 8 8 - touchscreen-max-pressure : maximum reported pressure (arbitrary range 9 9 dependent on the controller) 10 + - touchscreen-min-pressure : minimum pressure on the touchscreen to be 11 + achieved in order for the touchscreen 12 + driver to report a touch event. 10 13 - touchscreen-fuzz-x : horizontal noise value of the absolute input 11 14 device (in pixels) 12 15 - touchscreen-fuzz-y : vertical noise value of the absolute input