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[Bug 337314] Re: Left speaker doesn't work, controls mixed up on Apple MacBook[Pro] (5, 1)

 

Sorry, that last comment came off snappy. Thanks for looking into this
Kacper. I would have never figured that out on my own. I guess the
questions are: is it different because it's a refurb, or is it different
because it's a model from a different manufacturing age than everyone
else who's reported?

Perhaps the better question is, can a workaround be written, in the
event the chipset is of this design, rather than the design of yours? I
would presume Apple didn't single me out, and that there must be other
MacBooks (5.1) out there with the same hardware as mine.

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



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