Re: [PATCH 2/2] Input: edt-ft5x06: Add DT support

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Hi,

Mark Rutland wrote:
> On Mon, Jan 13, 2014 at 10:17:04AM +0000, Lothar Waßmann wrote:
> > This patch allows the edt-ft5x06 multitouch panel driver to be
> > configured via DT.
> > 
> > Signed-off-by: Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx>
> > ---
> >  .../bindings/input/touchscreen/edt-ft5x06.txt      |   31 ++++
> >  drivers/input/touchscreen/edt-ft5x06.c             |  145 +++++++++++++++----
> >  2 files changed, 145 insertions(+), 31 deletions(-)
> >  create mode 100644 Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
> > new file mode 100644
> > index 0000000..629dbdd
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
> > @@ -0,0 +1,31 @@
> > +* EDT FT5x06 Multiple Touch Controller
> > +
[...]
> > +- threshold: allows setting the "click"-threshold in the range from 20 to 80.
> > +- gain: sensitivity (0..31) (lower value -> higher sensitivity)
> > +- offset: edge compensation (0..31)
> > +- report_rate: report rate (3..14)
> 
> s/_/-/ on property names please. Also, it may make sense to prefix these
> as they're rather generic sounding names.
> 
> Could you elaborate on these a litle please? What units are each of
> these in? Why does it make sense to have them in the dt?
> 
I just converted them from being passed via platform_data. I have no
idea what they actually control and what units they use. I could not
even find a manual where they are documented.
Maybe Simon Budig can help out here as the original driver author.


Lothar Waßmann
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