What: /sys/bus/iio/devices/iio:deviceX/battery_low
KernelVersion: 4.1.0
Contact: linux-iio@vger.kernel.org
Description:
Reading returns either '1' or '0'. '1' means that the
battery level supplied to sensor is below 2.25V.
This ABI is available for tsys02d, htu21, ms8607