linux-kernel - Re: [PATCH 2/2] Input: atmel_mxt_ts

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Date:	Fri, 15 Aug 2014 10:13:14 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Nick Dyer <nick.dyer@...ev.co.uk>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	Stephen Warren <swarren@...dia.com>,
	Yufeng Shen <miletus@...omium.org>,
	Benson Leung <bleung@...omium.org>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olof@...om.net>, linux-input@...r.kernel.org,
	devicetree@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Input: atmel_mxt_ts - Add keycodes array example

On 08/15/2014 10:08 AM, Nick Dyer wrote:
> On 15/08/14 13:01, Javier Martinez Canillas wrote:
>>> By passing all these keycodes the touchpad worked as expected for me and the
>>> driver did the same than the Chrome OS driver that has these keycodes hardcoded
>>> when is_tp is true.
>>>
>>>> at the protocol guide for T19.
>>>
>>> I don't have access to proper documentation and I wouldn't expect people to have
>>> access to non-public docs in order to use a Device Tree binding.
>>>
>>> That's why I wanted to document an example, so using this property could be
>>> easier for others and they shouldn't have to look at the driver in order to
>>> figure it out (and getting it wrong as you said :) )
>>>
>>> So it would be great if you could provide an example on how this is supposed to
>>> be used.
>>
>> Any comments on this? I would really appreciate if you can expand on how
>> this DT property is supposed to be used so I can re-spin the atmel support
>> patch for Peach boards.
>
> The below patch improves the documentation for the gpio-property.

That patch makes sense, and is a nice description,
Acked-by: Stephen Warren <swarren@...dia.com>

> diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt

>   Example:
>
>          touch@4b {
>

Perhaps it makes sense to add a linux,gpio-keymap property into the 
example too though; IIRC there was an earlier patch to the docs that did 
this?
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