CONFIG_IIO_ST_SENSORS_SPI (not configurable)

modulename: st_sensors_spi.ko

configname: CONFIG_IIO_ST_SENSORS_SPI

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>IIO_ST_SENSORS_SPI
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/iio/common/st_sensors/st_sensors_spi.c
depends
CONFIG_IIO