linux-kernel - Re: [PATCH 3/7] Input: synaptics-rmi4: Add dribble and palm gesture parameters to devicetree

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Date:	Fri, 3 Jun 2016 19:57:20 +0100
From:	Mark Rutland <mark.rutland@....com>
To:	Andrew Duggan <aduggan@...aptics.com>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Jiri Kosina <jikos@...nel.org>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Vincent Huang <vincent.huang@...synaptics.com>,
	Nick Dyer <nick.dyer@...ev.co.uk>, devicetree@...r.kernel.org
Subject: Re: [PATCH 3/7] Input: synaptics-rmi4: Add dribble and palm gesture
 parameters to devicetree

On Fri, Jun 03, 2016 at 11:40:28AM -0700, Andrew Duggan wrote:
> Signed-off-by: Andrew Duggan <aduggan@...aptics.com>
> ---
>  .../devicetree/bindings/input/rmi4/rmi_2d_sensor.txt       |  5 +++++
>  drivers/input/rmi4/rmi_2d_sensor.c                         | 14 ++++++++++++++
>  2 files changed, 19 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt b/Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt
> index f2c30c8..822df11 100644
> --- a/Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt
> +++ b/Documentation/devicetree/bindings/input/rmi4/rmi_2d_sensor.txt
> @@ -37,6 +37,11 @@ Optional Properties:
>  				disable reporing absolute position data.
>  - syna,rezero-wait-ms: Time in miliseconds to wait after issuing a rezero
>  				command.
> +- syna,dribble: Control reporting of dribble packets. Values are 0 for
> +		default, 1 for explicitly disable, 2 for explicitly enable.

This sounds like a driver option one might choose at runtime, not a
fixed hardware/integration property.

Why does this belong in the DT?

> +- syna,palm_detect: Control reporting of the palm detect gesture. Values
> +			are 0 for default, 1 for explicitly disable, 2 for
> +			explicitly enable.

Likewise, same question here.

Additionally, please use '-', not '_' in property names.

Thanks,
Mark.