CONFIG_SND_HDA_CODEC_REALTEK_LIB (not configurable)

modulename: snd-hda-codec-realtek-lib.ko

configname: CONFIG_SND_HDA_CODEC_REALTEK_LIB

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>HD-Audio
└─>Realtek HD-audio codec support
└─>SND_HDA_CODEC_REALTEK_LIB
In linux kernel since version 6.17 (release Date: 2025-09-28)  
source code:
sound/hda//codecs/realtek/