CONFIG_IIO_ST_LSM6DSX_SPI (not configurable)

modulename: st_lsm6dsx_spi.ko

configname: CONFIG_IIO_ST_LSM6DSX_SPI

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Inertial measurement units
└─>IIO_ST_LSM6DSX_SPI
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code:
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c

is depended by
CONFIG_IIO_ST_LSM6DSX