linux-kernel - Re: [PATCH v2] hwmon: (ina2xx) Cast to s16 on shunt and current regs

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Date:	Mon, 09 Jun 2014 07:45:32 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Fabio Baltieri <fabio.baltieri@...il.com>,
	Jean Delvare <jdelvare@...e.de>
CC:	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] hwmon: (ina2xx) Cast to s16 on shunt and current regs

On 06/08/2014 02:06 PM, Fabio Baltieri wrote:
> All devices supported by ina2xx are bidirectional and reports the
> measured shunt voltage and power values as a signed 16 bit, but the
> current driver implementation caches all registers as u16, leading to an
> incorrect sign extension when reporting to the userspace in
> ina2xx_get_value().
>
> This patch fixes the problem by casting the signed registers to s16.
> Tested on an INA219.
>
> Signed-off-by: Fabio Baltieri <fabio.baltieri@...il.com>

Applied.

Thanks,
Guenter

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