linux-kernel - Re: [PATCH] hwmon: (ina2xx) Change register cache to signed

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Message-ID: <20140608201600.GA30953@roeck-us.net>
Date:	Sun, 8 Jun 2014 13:16:00 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Fabio Baltieri <fabio.baltieri@...il.com>
Cc:	Jean Delvare <jdelvare@...e.de>, Lothar Felten <l-felten@...com>,
	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: (ina2xx) Change register cache to signed

On Sat, Jun 07, 2014 at 09:47:01PM +0100, Fabio Baltieri wrote:
> All devices supported by the ina2xx driver are bidirectional and reports
> the measured value as a signed 16 bit, but the current driver
> implementation caches the number as an u16, leading to an incorrect sign
> extension when reporting to the userspace in ina2xx_get_value().
> 
> This patch fixes the problem by using a s16 instead, and has been tested
> on an INA219.
> 
> Signed-off-by: Fabio Baltieri <fabio.baltieri@...il.com>

Applied.

Thanks,
Guenter
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