ALSA

This page will summarize the informations to use ALSA on your Armadeus boards.

Introduction

ALSA stands for Advanced Linux Sound Architecture and provides audio and MIDI functionality to the Linux operating system. Everyone wanting to write portable & state of the art Linux applications dealing with sound should consider using ALSA.

ALSA Soc

On the APF boards we are going to use Embedded version of ALSA: ALSA Soc ->

• http://opensource.wolfsonmicro.com/node/6
• http://www.rpsys.net/openzaurus/patches/alsa/info.html
• http://alsa-project.org/main/index.php/ASoC

Installation

modprobe soundcore modprobe snd modprobe snd-timer modprobe snd-page-alloc modprobe snd-pcm modprobe snd-pcm-oss modprobe snd-mixer-oss modprobe snd-seq modprobe snd-seq-device modprobe snd-imx-alsa-tsc2102

• http://alsa-project.org/main/index.php/DevEmbedded

Links

• http://www.alsa-project.org/
• http://alsa.opensrc.org/index.php/WritingAnAlsaDriver
• http://www.linuxjournal.com/article/6735
• http://en.wikipedia.org/wiki/PCM