CONFIG_CRC_ITU_T (not configurable)

modulename: crc-itu-t.ko

configname: CONFIG_CRC_ITU_T

Linux Kernel Configuration
└─>Library routines
└─>CRC_ITU_T
In linux kernel since version 2.6.22 (release Date: 2007-07-08)  
The CRC-ITU-T library functions. Select this if your module uses
any of the functions from <linux/crc-itu-t.h>.

source code:
lib/crc-itu-t.c