[alsa-devel] Status of ALSA support for MacBook Pro 5, 2 in kernel 2.6.32
Adolf Winterer
adolf.j.winterer at inn-salzach.de
Wed Nov 18 12:23:16 CET 2009
Hello,
there had been a lot of messages here on the list and in other internet
sources about patches to snd-hda-intel regarding the sound support for
MacBook Pro 5,1 and MacBook Pro 5,2. But the situation is far from being
clear.
Some sources stated that the patches for the MacBook Pro 5,1 would
support the MacBook Pro 5,2 as well, others disagreed.
Recently on this list I've seen efforts to integrate the current ALSA
1.0.21+x into kernel 2.6.32.
Fact is that with kernel 2.6.30-2, which has ALSA 1.0.20, from Debian
testing my MacBook Pro 5,2 is not working. There is no sound at all.
Compilation of ALSA sources 1.0.21 using the module assistant fails with
an error message regarding a missing curly bracket. There is a bug
report in the Debian bug tracker regarding this, but no progress is
visible.
Compiling the sources directly using the 1.0.21 sources from the ALSA
project page goes through, but the resulting modules do not load, give
an error message about an unknown symbol. Therefore I was not able to
find out if ALSA 1.0.21 supports the MacBook Pro 5,2.
Please, can anyone of the development team help with a statement
clearing up things by answering the following questions?
* Will the support for the MacBook Pro 5,2 be part of the soon to be
released kernel 2.6.32?
* Or is it already present in kernel 2.6.31?
* What is the correct parameter for the loading of the module? Is it
just "auto" or "mb5"? Or anything else?
Your help is greatly appreciated.
Best regards,
Adolf
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