linux-kernel - Re: [PATCH] Input: atmel_mxt_ts - implement T100 touch object support

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Message-Id: <1422258820-4236-1-git-send-email-javier.martinez@collabora.co.uk>
Date:	Mon, 26 Jan 2015 08:53:39 +0100
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Nick Dyer <nick.dyer@...ev.co.uk>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Yufeng Shen <miletus@...gle.com>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Henrik Rydberg <rydberg@...omail.se>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Alan Bowens <Alan.Bowens@...el.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peter Meerwald <pmeerw@...erw.net>,
	Benson Leung <bleung@...omium.org>,
	Olof Johansson <olofj@...omium.org>,
	Sekhar Nori <nsekhar@...com>,
	Stephen Warren <swarren@...dotorg.org>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Subject: Re: [PATCH] Input: atmel_mxt_ts - implement T100 touch object support

Hello Nick,

On 12/19/2014 15:04 PM, Nick Dyer wrote:>
> Hi Benson-
> On 18/12/14 18:49, Benson Leung wrote:
>> Dmitry and Chung-Yih have had some discussion about how to handle
>> hovering fingers, and I think the direction they wanted to go was to
>> use ABS_MT_DISTANCE instead.
>> 
>> http://www.spinics.net/lists/linux-input/msg33950.html
>
> Thanks for flagging this up. The patch I submitted is written against the
> Android touch devices spec, which treats ABS_MT_PRESSURE being zero as
> hover, but indeed currently the handling of BTN_TOUCH when using
> input_mt_report_pointer_emaultion() won't be quite right.
> 
> I will have a look at straightening this out and re-post.

Are you planning to send your patch using ABS_MT_DISTANCE for 3.20?

If not, I can take a look since T100 support is needed for the Samsung
Peach Pi Chromebook.

Best regards,
Javier
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