From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jean Delvare <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
Subject: Re: i2c device does not support repeated start
Date: Wed, 14 May 2008 12:25:28 +0200
Message-ID: <20080514122528.75924c09@hyperion.delvare>
References: <g0ed72$ae5$1@ger.gmane.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org>
In-Reply-To: <g0ed72$ae5$1@ger.gmane.org>
List-Unsubscribe: <http://lists.lm-sensors.org/mailman/listinfo/i2c>,
	<mailto:i2c-request-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org?subject=unsubscribe>
List-Archive: <http://lists.lm-sensors.org/pipermail/i2c>
List-Post: <mailto:i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org>
List-Help: <mailto:i2c-request-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org?subject=help>
List-Subscribe: <http://lists.lm-sensors.org/mailman/listinfo/i2c>,
	<mailto:i2c-request-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org?subject=subscribe>
Sender: i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
Errors-To: i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
To: Darius <augulis.darius-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
List-Id: linux-i2c@vger.kernel.org

Hi Darius,

On Wed, 14 May 2008 12:55:09 +0300, Darius wrote:
> If device does not support that, maybe there is some special flag, which 
> device driver can pass to i2c_master_xfer?

No, there isn't. If a given I2C device doesn't support repeated start,
then its driver should simply run only single-message transactions.
That is, only use i2c_master_send() and i2c_master_recv(), or for SMBus
compatibility, i2c_smbus_read_byte() and i2c_smbus_write_*().

-- 
Jean Delvare

_______________________________________________
i2c mailing list
i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
http://lists.lm-sensors.org/mailman/listinfo/i2c