From: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Date: Fri, 17 Apr 2015 14:51:08 +0000 (+0300)
Subject: iio: adc: spmi-vadc: Fix overflow in output value normalization
X-Git-Tag: omap-for-v4.2/soc-pt1-take2~6^2^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=937125aca00e0478c4024afe58bc620a7bbe2a93;p=pandora-kernel.git

iio: adc: spmi-vadc: Fix overflow in output value normalization

With 'dx' equal to 0.625V and 15 bit ADC, calculations overflow
when difference against GND is ~20% of the ADC range. Fix this.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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