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From: David Brownell <david-b@pacbell.net>
To: felipe.balbi@nokia.com, ext Kwangwoo Lee <kwangwoo.lee@gmail.com>
Cc: ext Trilok Soni <soni.trilok@gmail.com>,
	dmitry.torokhov@gmail.com, linux-kernel@vger.kernel.org,
	"linux-omap@vger.kernel.org Mailing List" 
	<linux-omap@vger.kernel.org>
Subject: Re: [PATCH] Add tsc2007 based touchscreen driver.
Date: Thu, 4 Dec 2008 01:56:54 -0800	[thread overview]
Message-ID: <200812040156.55943.david-b@pacbell.net> (raw)
In-Reply-To: <20081204093715.GH10209@gandalf.research.nokia.com>

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.

- Dave


  reply	other threads:[~2008-12-04  9:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-02 13:39 [PATCH] Add tsc2007 based touchscreen driver Kwangwoo Lee
2008-12-03 11:21 ` Trilok Soni
2008-12-03 12:01   ` Felipe Balbi
2008-12-04  5:07     ` Kwangwoo Lee
2008-12-04  9:37       ` Felipe Balbi
2008-12-04  9:56         ` David Brownell [this message]
2008-12-05  1:09           ` Kwangwoo Lee
2008-12-03 20:18   ` David Brownell
2008-12-04  4:37   ` Kwangwoo Lee

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