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["P. Dunbar" <drsilk@xxxxxxxxx>]

I used this as a test: http://www.youtube.com/watch?v=6H6a-qN9fYk
 I had surround sound before on the stock version from jaunty with model=mpb3

after upgrading to this following the jauntymbp5_1-5_2 wiki I still have
the sound but think it is a bit more "tinny".  Just to test I can still
set the model to mbp3 and test it out.

I use a MacBookPro5,2 just for an fyi.

-- 
Left speaker doesn't work, controls mixed up on Apple MacBook[Pro] (5,1)
https://bugs.launchpad.net/bugs/337314
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Support, which is the registrant for Mactel Support.

Status in ALSA driver: Unknown
Status in Mactel Support: Confirmed
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.

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