AMD Audio Coprocessor support

modulename: acp_audio_dma.ko

configname: CONFIG_SND_SOC_AMD_ACP

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>AMD Audio Coprocessor support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This option enables ACP DMA support on AMD platform.

source code:
sound/soc//amd/