Hi again,

after feedback that I'm mostly on my own here because this is not remotely
testable I invested quite some time into figuring out what is what and was
able to make some progress. Still I am at a point where help would be
very much appreciated as I am not sure how to proceed further.

Basically its almost working now, I managed to "connect" 5 speakers, but I
can't find the LFE. I tried various combinations in hdajackretask and
hda-analyzer, but was not able to get any sound out of it.

My current layout is as follows:

Pin 0x15 Front Left / Front Right
Pin 0x18 Center (left channel audible)
Pin 0x1b Rear Left / Rear Right, Headphones

I am not listing the mic/line pins here, just focusing on the speakers.

Still need to do some fiddling for 0x1b to make sure the rear speakers get
muted when I plug in the headphones, but that's also something for later.

Could someone hint me how to proceed in "finding the LFE"? Where should I be
digging? I did also have a look at parser hints documentation and tried some,
but this was more a random attempt and did not really help me.

I am attaching my current alsa-info along with the retask configuration that
is currently applied.

Kind regards,
Jin

On Thu, Apr 04, 2019 at 09:24:30PM +0200, Sergey 'Jin' Bostandzhyan wrote:
> Hi,
> 
> I am not sure if this is the right place to ask or if I should just
> submit a bugreport, but you guys helped me out with a similar problem about 
> 10 years ago, so I'll try here first. If I'm wrong here, then I apologize,
> just let me know.
> 
> I have an Acer Aspire Ethos 8951G notebook which has 6 built in speakers for
> 5.1 surround sound, it's a Realtek ALC669X.
> 
> The problem is that only two speakers are recognized by default.
> 
> I tried fiddling around with hdajackretast and it does make a difference, but
> I somehow could not find a step-by-step approach on how to figure out what is
> what and how to map everything correctly, so some guidance would be very much 
> appreciated. I even ended up in situations where I got channels supporting 
> only mute which would influence muting of other channels, I really got lost 
> there..
> 
> 
> Here's my alsa-info output:
> http://alsa-project.org/db/?f=3adde87164f5fc349c3c78b211ee63e416ebf10b
> 
> It would be great if we could figure it out and make it work by default.
> 
> Basically that's what we did 10 years ago, back then I had an Acer Aspire 
> 8920G with a ALC889 which had the same problem that got fixed by you and these 
> days it just works out of the box :)
> 
> Kind regards,
> Jin
> 
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