DOKK / manpages / debian 12 / alsa-utils / alsa-info.8.en
ALSA-INFO.SH(8) System Manager's Manual ALSA-INFO.SH(8)

alsa-info - command-line utility to gather information about the ALSA subsystem

alsa-info [options]

alsa-info is a command-line utility gathering information about the ALSA subsystem. It is used mostly for debugging purposes.

Upload contents to the server (www.alsa-project.org or pastebin.ca).
Do not upload contents to the remote server.
Print information to standard output.
Specify file for output in no-upload mode.
Run utility as normal, but will not delete file (usually /tmp/alsa-info.txt).
Includes output from aplay -l.
Includes output from amixer.
Includes output from alsactl.
Includes output from ~/.asoundrc and /etc/asound.conf if they exist.
Check server for updates.
Print information about authors.

Will gather all information and show the output file.

aplay(1) amixer(1) alsactl(1)

alsa-info was created by the ALSA team, see --about .

13 January 2016