Legacy Nvidia HDMI/DisplayPort HD-audio codec support

modulename: snd-hda-codec-nvhdmi-mcp.ko

configname: CONFIG_SND_HDA_CODEC_HDMI_NVIDIA_MCP

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>HD-Audio
└─>HD-audio HDMI codec support
└─>Legacy Nvidia HDMI/DisplayPort HD-audio codec support
In linux kernel since version 6.17 (release Date: 2025-09-28)  
Say Y or M here to include HDMI and DisplayPort HD-audio codec
support for the legacy Nvidia graphics like MCP73, MCP67, MCP77/78.

source code:
sound/hda//codecs/hdmi/