linux-kernel - Re: [PATCH v2] Input: Add generic driver for Zeitec touchscreens

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Message-ID: <20150612004518.GE20581@dtor-pixel>
Date:	Thu, 11 Jun 2015 17:45:18 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Bogdan George Stefan <bogdan.george.stefan@...il.com>
Cc:	Bogdan George Stefan <bogdan.g.stefan@...el.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Purdila Octavian <octavian.purdila@...el.com>
Subject: Re: [PATCH v2] Input: Add generic driver for Zeitec touchscreens

Hi Bogdan,

On Tue, Jun 02, 2015 at 10:43:01AM +0300, Bogdan George Stefan wrote:
> Dimitry,
> 
> I know 0xB2 should provide that information according to the
> datasheet, however here is what Zeitec guys had to say when I asked
> them why it does not work:
> 
> "0xB2 is deprecated.
> It only supports in Zet6221/31 serious but zet9172/zet6273."
> 
> If you like, I can attach my conversation with them.
>

Not really, but I would like to understand how the part selection works.
Are they the same parts or different parts? Let's say you want to build
a system and you want part that reports up to 7 contacts. How do you
communicate this to the supplier? The number of contacts - is it
controller by the config file you load into the controller, or they have
separate parts for different contact count or what?

Thanks.

-- 
Dmitry
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