CONFIG_SND_SOC_RT5645 (not configurable)
modulename: snd-soc-rt5645.ko
configname: CONFIG_SND_SOC_RT5645
Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>CODEC drivers
└─>SND_SOC_RT5645