[Pkg-alsa-devel] Bug#550117: libasound2: Unable to detect user-defined devices

John Lindgren john.lindgren at tds.net
Sat Oct 17 19:16:02 UTC 2009

Elimar Riesebieter wrote:
> Applications using alsa are detecting the default pcm. Have a look
> at [0] to get an overwiew on how to set e.g. your default pcm.
> [0] http://www.alsa-project.org/main/index.php/Asoundrc

Some applications using ALSA -- such aplay and Audacious -- also detect
alternate PCMs using snd_device_name_hint.  (Speaking of which, have you
looked at #549531 yet?)  This makes it possible for an application to
output to other PCMs besides "default".  The problem that Tomasz has
reported is that snd_device_name_hint only shows system-wide PCMs, not
user-defined ones; that is, it shows those which are defined
in /usr/share/alsa/cards/<name>.conf but not in ~/.asoundrc.  For the
full history of this bug, please look at:


John Lindgren

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