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

arctgx spamgrinder at o2.pl
Wed Oct 7 17:52:52 UTC 2009

Package: libasound2
Version: 1.0.21a-1
Severity: normal


In my ~/.asoundrc I have defined the following example device 
pcm.s2 {
	type route
	slave.pcm surround51
	slave.channels 6
# 0,1 - front
	ttable.0.0 1
	ttable.1.1 1
# 2,3 - rear
#	ttable.0.2 1 
#	ttable.1.3 1
# 4,5 - center_lfe
	ttable.0.4 1
	ttable.1.5 1
It duplicates output to two jacks (e.g. two pair of headphones).

I can manually tell to programs to use it (e.g. aplay -D s2 file.wav)
with success. Programs are unable to detect it automatically (and then display to


-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (991, 'unstable'), (990, 'testing'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-rc3-1d-svn10 (PREEMPT)
Locale: LANG=pl_PL.UTF-8, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages libasound2 depends on:
ii  libc6                         2.9-27     GNU C Library: Shared libraries

libasound2 recommends no packages.

Versions of packages libasound2 suggests:
ii  libasound2-plugins            1.0.21-1   ALSA library additional plugins

-- no debconf information

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