Test IIO formatting functions

modulename: iio-test-format.ko

configname: CONFIG_IIO_TEST_FORMAT

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Test IIO formatting functions
In linux kernel since version 5.2 (release Date: 2019-07-07)  
source code:
drivers/iio/test/iio-test-format.c