CONFIG_IIO_MS_SENSORS_I2C (not configurable)

modulename: ms_sensors_i2c.ko

configname: CONFIG_IIO_MS_SENSORS_I2C

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>IIO_MS_SENSORS_I2C
In linux kernel since version 4.1 (release Date: 2015-06-21)  
source code:
drivers/iio/common/ms_sensors/ms_sensors_i2c.c
depends
CONFIG_IIO