Analog Devices SSM2305 Class-D Amplifier

modulename: snd-soc-ssm2305.ko

configname: CONFIG_SND_SOC_SSM2305

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>CODEC drivers
└─>Analog Devices SSM2305 Class-D Amplifier
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enable support for Analog Devices SSM2305 filterless
high-efficiency mono Class-D audio power amplifiers.

source code:
sound/soc//codecs/

is depended by
CONFIG_SND_SOC_ALL_CODECS