Re: Subwoofers aren't working on ALC298 (Lenovo Yoga C930 Laptop)

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> As far as I can tell, I'm running the latest version of ALSA, since I'm
on NixOS unstable, and

Have you tried any other distribution, something more normal like latest
Fedora or Ubuntu ? Does the subwoofers work there ?
If you run Ubuntu/Fedora you can check the sound settings and pavucontrol
there is selection of speakers usually 2.1 5.1... try those ?
The moment you realize your "tee" is located in
/run/current-system/sw/bin/tee it should ring a bell that something is
wrong with this distribution.
hdajackretask is creating a /lib/firmware/hda-jack-retask.fw (text file)
which is attached to modprobe automatic and creates a file in
/etc/modprobe.d/hda-jack-retask.conf
which contains a line:
options snd-hda-intel patch=hda-jack-retask.fw, hda-jack-retask.fw,
hda-jack-retask.fw, hda-jack-retask.fw
And the content of the hda-jack-retask.fw is something like this:

[codec]
0x10138409 0x106b3300 0

[pincfg]
0x24 0x90100080
0x25 0x90100082
0x26 0x400000f0
0x27 0x400000f0
And you have to make sure those [pincfgs] match with your Windows10
registry of the driver's PinConfigOverride.
You happen to have Windows running on that machine and can extract the
pinconfigoverride or have .ini of the driver? I can help you compare
those.





On Wed, Nov 28, 2018 at 5:37 PM Jonathan Reeve <jon.reeve@xxxxxxxxx> wrote:

>
> Hi Daniel,
>
> I'm guessing I shouldn't assign this pin to LFE, then? And maybe
> assign
> it to "internal speaker (back)"? I'm at a loss for knowing what to
> assign to what.
>
> But this is all moot, since the real problem, it seems to me, is
> that
> clicking "apply now" or "install boot override" won't work on
> NixOS.
> The first issue is that `hdajackretask` apparently can't find my
> copies
> of `tee` and `mv`. I can run these programs just fine from a
> shell, and
> `which tee` shows their locations in NixOS:
> `/run/current-system/sw/bin/tee`, but `hdajackretask` can't find
> them,
> for some reason, and `Apply now` fails. The second is that, even
> if I
> run run the /tmp script manually, nothing seems to change with my
> system. I have a feeling `hdajackretask` needs to do something
> beyond
> what is in the `/tmp` script, and that it can't do that, since it
> can't
> find my system utilities.
>
> Thanks for that link, though—there's some useful stuff in there.
>
> Are there other ways of connecting unused pins that don't use
> hdajackretask? Like a script I can run or a sequence of commands?
>
> Best,
>
> Jonathan
>
> Daniel James <daniel@xxxxxxxxxxxx> writes:
>
> > Hi Jonathan,
> >
> >> - Running hdajackretask, from the alsaTools package. It seems
> >> to correctly
> >> recognize that there are some unassigned pins, and even gives
> >> me the option of
> >> assigning them to "internal speaker (LFE)," which sounds like
> >> it could be a
> >> bass output.
> >
> > LFE usually stands for Low Frequency Effects, i.e. a subwoofer
> > channel on a
> > movie or game. There are some tips on surround sound at
> > http://www.volkerschatz.com/noise/alsa.html
> >
> > I don't know which 'md' program they are referring to, but you
> > can install tee
> > separately.
> >
> > Cheers!
> >
> > Daniel
> _______________________________________________
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> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>
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