Messages in this thread |  | | Date | Sun, 30 Oct 2016 22:41:30 -0500 | From | Rob Herring <> | Subject | Re: [PATCH v6 6/8] drivers:input:ads7846(+tsc2046): add new common binding names, pre-calibration and flipping |
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On Thu, Oct 27, 2016 at 10:44:19AM +0200, H. Nikolaus Schaller wrote: > commit b98abe52fa8e ("Input: add common DT binding for touchscreens") > introduced common DT bindings for touchscreens [1] and a helper function to > parse the DT. > > commit ed7c9870c9bc ("Input: of_touchscreen - add support for inverted / swapped axes") > added another helper for parsing axis inversion and swapping > and applying them to x and y coordinates. > > Both helpers have been integrated to accommodate any orientation of the > touch panel in relation to the LCD. > > A new feature is to introduce scaling the min/max ADC values to the screen > size. > > This makes it possible to pre-calibrate the touch so that is (almost) > exactly matches the LCD pixel coordinates it is glued onto. This allows to > well enough operate the touch before a user space calibration step can > improve the precision. > > [1]: Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt > > Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> > --- > .../devicetree/bindings/input/ads7846.txt | 9 +++- > drivers/input/touchscreen/ads7846.c | 60 ++++++++++++++++++---- > 2 files changed, 57 insertions(+), 12 deletions(-)
Acked-by: Rob Herring <robh@kernel.org>
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