Re: [PATCH] Add tsc2007 based touchscreen driver.

From: Felipe Balbi
Date: Thu Dec 04 2008 - 04:38:18 EST

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 ;-)

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