Tegra210 MVC module

modulename: snd-soc-tegra210-mvc.ko

configname: CONFIG_SND_SOC_TEGRA210_MVC

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>Tegra210 MVC module
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Config to enable the digital Master Volume Controller (MVC) which
provides gain or attenuation to a digital signal path. It can be
used in input or output signal path. It can be used either for
per-stream volume control or for master volume control.
Say Y or M if you want to add support for Tegra210 MVC module.

source code: