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Chris Lesiak authored
When configured via device tree, the associated iio device needs to be measuring voltage for the conversion to resistance to be correct. Return -EINVAL if that is not the case. Signed-off-by:
Chris Lesiak <chris.lesiak@licor.com> Cc: stable@vger.kernel.org # 3.10+ Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
adba6575