CONFIG_IIO_ST_GYRO_I2C_3AXIS (not configurable)

modulename: st_gyro_i2c.ko

configname: CONFIG_IIO_ST_GYRO_I2C_3AXIS

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Digital gyroscope sensors
└─>IIO_ST_GYRO_I2C_3AXIS
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/iio/gyro/st_gyro_i2c.c

is depended by
CONFIG_IIO_ST_GYRO_3AXIS