linux-kernel - Re: [PATCH] Add tsc2007 based touchscreen driver.

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Message-ID: <483a38b80812041709i10abeae4n571355dd1d88b6c2@mail.gmail.com>
Date:	Fri, 5 Dec 2008 10:09:29 +0900
From:	"Kwangwoo Lee" <kwangwoo.lee@...il.com>
To:	"David Brownell" <david-b@...bell.net>, felipe.balbi@...ia.com
Cc:	"ext Trilok Soni" <soni.trilok@...il.com>,
	dmitry.torokhov@...il.com, linux-kernel@...r.kernel.org,
	"linux-omap@...r.kernel.org Mailing List" 
	<linux-omap@...r.kernel.org>
Subject: Re: [PATCH] Add tsc2007 based touchscreen driver.

On Thu, Dec 4, 2008 at 6:56 PM, David Brownell <david-b@...bell.net> wrote:
> On Thursday 04 December 2008, Felipe Balbi wrote:
>> i2c subsystem has smbus emulation. The special reason is just that it's
>> simpler for the driver writer ;-)
>
> I'd have said "more portable", actually.  I2C hosts can
> do pretty much everything an SMBus host can, but the
> converse is not true.
>
> And re i2c_check_functionality() ... yes, use it to make
> sure each I2C or SMBus call the driver makes is supported
> by the underlying controller.
>

Thank you Brownell and Balbi.
Your comments are very helpful for me. I'll fix some part of the
driver and send it again later.

-- 
Kwangwoo Lee <kwangwoo.lee@...il.com>
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