linux-kernel - Re: [PATCH V2 1/3] Input: cyttsp - Cypress TTSP capacitive multi-touch screen support

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Date:	Wed, 14 Sep 2011 23:03:22 +0200
From:	Javier Martinez Canillas <martinez.javier@...il.com>
To:	Henrik Rydberg <rydberg@...omail.se>
Cc:	Kevin McNeely <kev@...ress.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 1/3] Input: cyttsp - Cypress TTSP capacitive
 multi-touch screen support

On Wed, Sep 14, 2011 at 9:46 AM, Henrik Rydberg <rydberg@...omail.se> wrote:
>>
>> Yes it is the right patch, or at least the patch I meant to send. The
>> staging version I send earlier didn't support multi-touch protocol
>> type A.
>
> I see - the cyttsp_xydata struct seems to be the old version,
> though. Any particular reason for that? Also, the similarity to the
> problem found here, https://lkml.org/lkml/2011/8/25/516, suggests your
> 16 tracking ids could be mapped directly to slots instead, using the
> example code. It ought to reduce the present patch significantly.
>
> Thanks,
> Henrik
>

Hello Henrik,

Thank you for your recommendations.

I didn't know that there was a newer version of cyttsp_xydata struct.
I thought I based my work on the last version of Cypress driver.
Didn't know about Dudley Du's work either. It seems that both drivers
are for the same device family.

I'll take a look at Dudley's patch-set and also contact him to join efforts.

Best regards,

-- 
Javier Martínez Canillas
(+34) 682 39 81 69
Barcelona, Spain
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