linux-kernel - Re: [PATCH] hwmon: HIH-6130: Support I2C bus drivers without I2C_FUNC_SMBUS

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Message-ID: <20131211192954.GA21751@roeck-us.net>
Date:	Wed, 11 Dec 2013 11:29:54 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	José Miguel Gonçalves <jose.goncalves@...v.pt>
Cc:	Jean Delvare <khali@...ux-fr.org>, lm-sensors@...sensors.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: HIH-6130: Support I2C bus drivers without
 I2C_FUNC_SMBUS_QUICK

On Wed, Dec 11, 2013 at 11:11:13AM +0000, José Miguel Gonçalves wrote:
> Some I2C bus drivers do not allow zero-length data transfers which are
> required to start a measurement with the HIH6130/1 sensor. Nevertheless,
> we can overcome this limitation by writing a zero dummy byte. This byte
> is ignored by the sensor and was verified to be working with the OMAP
> I2C bus driver in a BeagleBone board.
> 
> Signed-off-by: José Miguel Gonçalves <jose.goncalves@...v.pt>

Applied, after simplifying write_length initialization a bit.

Should this go to -stable ?

Guenter
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