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+What: /sys/bus/iio/devices/iio:deviceX/in_proximity_nearlevel
+Date: March 2020
+KernelVersion: 5.7
+Contact: linux-iio@vger.kernel.org
+Description:
+ Near level for proximity sensors. This is a single integer
+ value that tells user space when an object should be
+ considered close to the device. If the value read from the
+ sensor is above or equal to the value in this file an object
+ should typically be considered near.