Input: ads7846: Add description how to use internal reference (ADS7846)

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By simply setting vref-mv to 0 the internal reference will be used.
Document that!

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Rob Herring <robh@kernel.org>

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Alexander Stein 2016-02-29 08:06:35 +01:00 • committed by Rob Herring

parent 8fe420da36

commit 299b207dbc

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Documentation/devicetree/bindings/input/ads7846.txt

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