linux-kernel - Re: [RFC][PATCH] hwmon: add support for Sensirion C1 sensor

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Message-ID: <20120721164344.GA13261@roeck-us.net>
Date:	Sat, 21 Jul 2012 09:43:44 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Oliver Neukum <oneukum@...e.de>
Cc:	Johannes Winkelmann <johannes.winkelmann@...il.com>,
	linux-kernel@...r.kernel.org, lm-sensors@...sensors.org,
	Jean Delvare <khali@...ux-fr.org>,
	Johannes Winkelmann <johannes.winkelmann@...sirion.com>
Subject: Re: [RFC][PATCH] hwmon: add support for Sensirion C1 sensor

On Fri, Jul 20, 2012 at 05:14:49PM +0200, Oliver Neukum wrote:
> On Friday 20 July 2012 17:13:51 Johannes Winkelmann wrote:
> > On Fri, Jul 20, 2012 at 4:03 PM, Oliver Neukum <oneukum@...e.de> wrote:
> 
> > > We have dedicated macros for conversion of endianness.
> > 
> > Like this:
> > 		val = swab16p((__le16 *)buf);
> > 		data->temperature = ((21875 * val) >> 13) - 45000;
> > 		val = swab16p((__le16 *)(buf+2));
> > 		data->humidity = ((15000 * val) >> 13) - 10000;
> 
> I was thinking of be16_to_cpu()
> 
be16_to_cpup(), maybe.

Guenter
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