Public bug reported:
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
** Affects: alsa-driver
Importance: Unknown
Status: Unknown
** Affects: mactel-support
Importance: Undecided
Status: New
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Bug watch added: ALSA Bug Tracker #4432
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4432
** Also affects: alsa-driver via
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4432
Importance: Unknown
Status: Unknown
** Also affects: mactel-support
Importance: Undecided
Status: New
--
Left speaker doesn't work, controls mixed up on Apple MacBook[Pro] (5,1)
https://bugs.launchpad.net/bugs/337314
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