SoC Audio for the Tegra System-on-Chip
modulename: snd-soc-tegra-pcm.ko
and/orsnd-soc-tegra-utils.ko
configname: CONFIG_SND_SOC_TEGRA
Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio for the Tegra System-on-Chip
In linux kernel since version 3 (release Date: 2011-07-21)
Say Y or M here if you want support for SoC audio on Tegra.