What:		/sys/bus/iio/devices/iio:deviceX/in_proximity3_comb_raw
Date:		February 2019
KernelVersion:	5.6
Contact:	Daniel Campello <campello@chromium.org>
Description:
		Proximity measurement indicating that some object is
		near the combined sensor. The combined sensor presents
		proximity measurements constructed by hardware by
		combining measurements taken from a given set of
		physical sensors.