Nikos, the source of the script is available for inspection and
modification at http://www.alsa-project.org/alsa-info.sh

The script simply collects system information such as one's Linux
distribution, versions of necessary debugging information (alsa-lib,
alsa-utils, alsa-kernel/linux), mixer volume settings, ownership and
modes of /dev/snd/*, and contents of AC'97/HDA codec spew.

If you feel hesitant in any fashion regarding providing the above
debugging information to help developers resolve driver bugs, please
don't download, and don't run the script. Your bug reports, of course,
will receive little attention due to the lack of necessary debugging
information.

With respect to the revision history of the script itself, several
insecure temporary file uses have been corrected. The above URL always
redirects to the most current (git HEAD) version of the script. Of
course, run the script as an unprivileged user.

-- 
Left speaker doesn't work, controls mixed up on Apple MacBook[Pro] (5,1)
https://bugs.launchpad.net/bugs/337314
You received this bug notification because you are a member of Mactel
Support, which is the registrant for Mactel Support.

Status in ALSA driver: Unknown
Status in Mactel Support: New
Status in “alsa-driver” source package in Ubuntu: New

Bug description:
Reporting this bug for another user...

In MacBook and MacBookPro 5,1 (aluminium, late 2008) the soundcard works out of 
the box only with headphones, and to turn speakers on it is necessary to 
manually set the 6 channels. In that case, sound is heard both on headphones 
and right and center speaker; the left speaker doesn't work yet.

This bug is confirmed by several users, see the additional information attached.

de...@raker:~$ lspci | grep -i audio
00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1)
de...@raker:~$ grep Codec /proc/asound/card0/codec#*
Codec: Realtek ALC889A

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