Advanced Linux Sound Architecture

modulename: snd.ko

configname: CONFIG_SND

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say 'Y' or 'M' to enable ALSA (Advanced Linux Sound Architecture),
the new base sound system.

For more information, see <http://www.alsa-project.org/>

source code:
sound/core//
depends
CONFIG_SOUND