CONFIG_MFD_CS42L43 (not configurable)

modulename: cs42l43.ko

configname: CONFIG_MFD_CS42L43

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>MFD_CS42L43
In linux kernel since version 4.14.327 (release Date: 2023-10-10)  
source code:
drivers/mfd//cs42l43.c