linux-kernel - Re: [PATCH v2 1/6] dt-bindings: input: touchscreen: edt-ft5x06: add report-rate

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Date:   Sun, 13 Mar 2022 17:32:20 +0100
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Michael Trimarchi <michael@...rulasolutions.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Stephan Gerhold <stephan@...hold.net>,
        devicetree@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH v2 1/6] dt-bindings: input: touchscreen: edt-ft5x06: add report-rate

Hi Rob,

On Thu, Feb 24, 2022 at 11:27 PM Rob Herring <robh@...nel.org> wrote:
>
> On Thu, Feb 17, 2022 at 05:55:53PM +0100, Dario Binacchi wrote:
> > It allows to change the M06/M12 default scan rate.
> >
> > Co-developed-by: Michael Trimarchi <michael@...rulasolutions.com>
> > Signed-off-by: Michael Trimarchi <michael@...rulasolutions.com>
> > Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
> > ---
> >
> > (no changes since v1)
> >
> >  .../devicetree/bindings/input/touchscreen/edt-ft5x06.yaml | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> > index 2e8da7470513..aa8517c6f65b 100644
> > --- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> > +++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> > @@ -85,6 +85,14 @@ properties:
> >      minimum: 0
> >      maximum: 80
> >
> > +  report-rate:
>
> Use property unit suffix: report-rate-hz
>
> This should probably be moved to touchscreen.yaml as it seems common.

I did some checks but IMHO I think it's better to consider it as a
property of the
driver.

Thanks and regards
Dario

>
> > +    description: Allows setting the scan rate.
> > +                 M06 supports range from 3 (30 Hz) to 14 (140 Hz).
>
> You're using 3 or 30 in this case? Should be 30, but it's not clear. I'd
> just list the range in Hz and leave the conversion detail to the driver.
>
> > +                 M12 supports range from 1 (1 Hz) to 255 (255 Hz).
>
> Use '|' if formatting (newline) is significant.
>
> > +    $ref: /schemas/types.yaml#/definitions/uint32
> > +    minimum: 1
> > +    maximum: 255
> > +
> >    touchscreen-size-x: true
> >    touchscreen-size-y: true
> >    touchscreen-fuzz-x: true
> > --
> > 2.32.0
> >
> >



-- 

Dario Binacchi

Embedded Linux Developer

dario.binacchi@...rulasolutions.com

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