Wolfson Microelectronics WM8903 CODEC
modulename: snd-soc-wm8903.ko
configname: CONFIG_SND_SOC_WM8903
Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>CODEC drivers
└─>Wolfson Microelectronics WM8903 CODEC