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

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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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Ivan T. Ivanov 2015-04-17 17:51:08 +03:00 • committed by Jonathan Cameron

parent d0716b0ea4

commit 937125aca0

1 changed files with 4 additions and 3 deletions

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drivers/iio/adc/qcom-spmi-vadc.c

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