From: Felipe Balbi <felipe.balbi@nokia.com>
To: ext Kwangwoo Lee <kwangwoo.lee@gmail.com>
Cc: felipe.balbi@nokia.com, ext Trilok Soni <soni.trilok@gmail.com>,
dmitry.torokhov@gmail.com, linux-kernel@vger.kernel.org,
David Brownell <david-b@pacbell.net>,
"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 11:37:15 +0200 [thread overview]
Message-ID: <20081204093715.GH10209@gandalf.research.nokia.com> (raw)
In-Reply-To: <483a38b80812032107i761fb9bdkba9b2ce5e998ae6a@mail.gmail.com>
On Thu, Dec 04, 2008 at 02:07:30PM +0900, ext Kwangwoo Lee wrote:
> Because the platform which I use did not implement smbus_xfer yet,
> it only implemented master_xfer in struct i2c_algorithm.
> I can add smbus_xfer for my platform. I have one question and
> I know that smbus is a subset from the I2C protocol.
> Is smbus_xfer method better than master_xfer or is there any
> special reason to use smbus_xfer?
i2c subsystem has smbus emulation. The special reason is just that it's
simpler for the driver writer ;-)
--
balbi
next prev parent reply other threads:[~2008-12-04 9:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-02 13:39 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 [this message]
2008-12-04 9:56 ` David Brownell
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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