Acer Aspire 5930G (snd-hda-intel) - incorrect autosetup (detection)

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Hi all,

I'm new to this mailing list so HELLO EVERYBODY.
I was asking questions on the IRC, but was advised to proceed in maillist.
Now.
I have many problems with sound on my computer, and I'm not sure which
one is related to alsa. Also, I'm gonna ask different questions (even
if they look related) in separate messages, to not lose reply to any
of them :)

My setup is:
Acer Aspire 5930G laptop with Ubuntu 9.10
lspci: Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio
Controller (rev 03)
Alsa: 1.0.22.1
Module: snd-hda-intel
Link to alsa-info.sh output:
http://www.alsa-project.org/db/?f=9baec29aac190c0bcbcdc1884fb5bf641faa946c

First problem - incorrect default behavior without forcing to
acer-aspire-6530g model:

1) If I'm not forcing snd-hda-intel to use a specific model via
option, then I get Internal Subwoofer not functioning (LFE channel).

2) After testing all possible models, I found that most reliable one
is "model=acer-aspire-6530g". With it, Internal Subwoofer is working,
along with other magical things like switching to external speakers
when plugging them in :) (it was pain to get this simple thing working
on earlier versions of alsa)

I think snd-hda-intel is having a bug - I checked it has no code in
source to handle 5930G in some special way. But as you see, default
behavior is incorrect (no sound from int. subwoofer for example).

Is this already fixed or reported? (or I'm the only person on Earth
having Acer Aspire 5930G with linux? :-)
Maybe I should post this in dev maillist?

regards,
Artiom

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