linux-kernel - Re: [PATCH 1/2] Input: atmel_mxt_ts - Implement support for T100 touch object

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Message-ID: <55C35AFA.9070505@itdev.co.uk>
Date:	Thu, 06 Aug 2015 14:02:50 +0100
From:	Nick Dyer <nick.dyer@...ev.co.uk>
To:	Javier Martinez Canillas <javier@....samsung.com>,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Dirk Behme <dirk.behme@...bosch.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	Henrik Rydberg <rydberg@...omail.se>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olof@...om.net>,
	Yufeng Shen <miletus@...omium.org>,
	Benson Leung <bleung@...omium.org>,
	Chung-yih Wang <cywang@...omium.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] Input: atmel_mxt_ts - Implement support for T100
 touch object



On 06/08/15 12:19, Javier Martinez Canillas wrote:
>> In mainline the EV_ABS bit automatically gets set as soon as
>> input_set_abs_params get called. 
>>
>> If you're using this patch on an older kernel you should backport
>> 2c9a9cfec04f2c6ed7b4e607cd53ca903b2c4642 as well.
>>
> That's correct. The reason why the original patch had that it's
> because it was forward ported from an older kernel and I missed
> that detail when doing the rebase.
>
Yes, I've spotted the same issue myself.

I do keep a list of API breaks that affect this driver here:
https://github.com/atmel-maxtouch/linux/wiki/Driver-Integration#branches

(there's the MT protocol A to B change as well, at about 2.6.39)
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