What:		/sys/bus/iio/devices/iio:deviceX/out_voltageY_raw_available
Date:		October 2016
KernelVersion:	4.9
Contact:	Peter Rosin <peda@axentia.se>
Description:
		The range of available values represented as the minimum value,
		the step and the maximum value, all enclosed in square brackets.
		Example: [0 1 256]