CONFIG_SND_SOC_SOF_IPC4 (not configurable)
configname: CONFIG_SND_SOC_SOF_IPC4
Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>Sound Open Firmware Support
└─>SND_SOC_SOF_IPC4