[alsa-devel] Microphone detected, but no output for all ASUS G751xx with ALC668 chipset

Håvard hovardslill at gmail.com
Wed Sep 12 18:41:19 CEST 2018


Hi again.
Sorry for not noticing all files were empty, did it not run for long enough?

-Håvard

Den ons. 12. sep. 2018 kl. 18:39 skrev Håvard <hovardslill at gmail.com>:

> Sorry my bad again it was working perfectly, just missed a step.
>
> I'll add the dumps as an attatchment. I had both external headset and
> microphone plugged in and let the VM run in the background for ~30min while
> doing other stuff. I did not play music or test my microphone in the VM
> either, If i did anything wrong, please tell me!
>
> It stopped at 0x104f4
>
> -Håvard
>
> Den ons. 12. sep. 2018 kl. 00:31 skrev Connor McAdams <
> conmanx360 at gmail.com>:
>
>> Hm.... that's odd. They should show up in the folder you ran the
>> command from. Does your console show any "DumpMem entered..." or
>> something like that? You may have a permissions error. I've had some
>> people report that as an issue before.
>>
>> On Tue, Sep 11, 2018 at 5:08 PM, Håvard <hovardslill at gmail.com> wrote:
>> > Hi!
>> >
>> > Took a while, but I think I got it working. Did not see any "frame[xx]"
>> > files though. What dumps do you want?
>> >
>> > -Håvard
>> >
>> > Den tir. 11. sep. 2018 kl. 21:27 skrev Håvard <hovardslill at gmail.com>:
>> >>
>> >> Sorry about that, I forgot to enable a kernel config...
>> >>
>> >> -Håvard
>> >>
>> >> Den tir. 11. sep. 2018 kl. 21:20 skrev Connor McAdams
>> >> <conmanx360 at gmail.com>:
>> >>>
>> >>> When it's bound as a stub, it shouldn't show up in alsamixer controls.
>> >>> You can check what module is loaded by doing lspci -v . It should say
>> >>> kernel driver in use: pci-stub. Also, did you run the vfio-bind script
>> >>> before trying it?
>> >>>
>> >>> On Tue, Sep 11, 2018 at 3:18 PM, Håvard <hovardslill at gmail.com>
>> wrote:
>> >>> > Thank you for the offer!
>> >>> >
>> >>> > I run gentoo, but your github guide is very useful. I can't seem to
>> >>> > bind my
>> >>> > audio driver to a pci-stud. Is the Sound card still supposed to
>> >>> > function as
>> >>> > normal when I (think I) have bound it to a stud.
>> >>> >
>> >>> > -Håvard
>> >>> >
>> >>> > Den tir. 11. sep. 2018 kl. 20:26 skrev Connor McAdams
>> >>> > <conmanx360 at gmail.com>:
>> >>> >>
>> >>> >> One thing you could try, is using the program I used to reverse
>> >>> >> engineer the Sound Blaster Z series of cards, QemuHDADump. If your
>> >>> >> processor supports pci-passthrough with a virtual machine, you
>> could
>> >>> >> run a Windows virtual machine with the sound card in it and capture
>> >>> >> the commands. I'd be willing to look through the dumps to see if
>> there
>> >>> >> are any special verbs or anything.
>> >>> >>
>> >>> >> You can find the program here:
>> >>> >> https://github.com/Conmanx360/QemuHDADump
>> >>> >>
>> >>> >> Let me know.
>> >>> >>
>> >>> >> On Tue, Sep 11, 2018 at 2:15 PM, Håvard <hovardslill at gmail.com>
>> wrote:
>> >>> >> > Sorry, my gmail didn't update so I wrote my response before I
>> read
>> >>> >> > your
>> >>> >> > last one.
>> >>> >> >
>> >>> >> > It is a separate mic port as the G751JT doesn't have any headset
>> >>> >> > multijacks.
>> >>> >> >
>> >>> >> > I'll try and dig around in the kernel! Thanks for the tip!
>> >>> >> >
>> >>> >> > -Håvard
>> >>> >> >
>> >>> >> > Den tir. 11. sep. 2018 kl. 20:09 skrev Håvard
>> >>> >> > <hovardslill at gmail.com>:
>> >>> >> >
>> >>> >> >> Thank you for taking your time and trying to help! :)
>> >>> >> >>
>> >>> >> >> Do you know where I can ask around for more help on the issue? I
>> >>> >> >> don't
>> >>> >> >> want to give up yet.
>> >>> >> >>
>> >>> >> >> -Håvard
>> >>> >> >>
>> >>> >> >> Den tir. 11. sep. 2018 kl. 20:02 skrev Takashi Iwai
>> >>> >> >> <tiwai at suse.de>:
>> >>> >> >>
>> >>> >> >>> On Tue, 11 Sep 2018 19:14:37 +0200,
>> >>> >> >>> Håvard wrote:
>> >>> >> >>> >
>> >>> >> >>> > Yes, microphone gets detected instantly and it automatically
>> >>> >> >>> > changes
>> >>> >> >>> > to
>> >>> >> >>> it
>> >>> >> >>> > in pavucontrol.
>> >>> >> >>>
>> >>> >> >>> Then it likely requires some additional initialization outside
>> >>> >> >>> HD-audio.  It's hard to know, as it's pretty much
>> vendor-specific.
>> >>> >> >>> You can dig down the Windows, but I have no idea about Windows
>> >>> >> >>> implementation, so can't give any hints, unfortunately.
>> >>> >> >>>
>> >>> >> >>>
>> >>> >> >>> Takashi
>> >>> >> >>>
>> >>> >> >>> >
>> >>> >> >>> > Den tir. 11. sep. 2018 kl. 18:52 skrev Takashi Iwai
>> >>> >> >>> > <tiwai at suse.de>:
>> >>> >> >>> >
>> >>> >> >>> > > On Tue, 11 Sep 2018 18:40:23 +0200,
>> >>> >> >>> > > Håvard wrote:
>> >>> >> >>> > > >
>> >>> >> >>> > > > Thank you for replying!
>> >>> >> >>> > > >
>> >>> >> >>> > > > Enabling loopback in alsamixer:
>> >>> >> >>> > > > http://i.imgur.com/lNo6e7T.png
>> >>> >> >>> > > >
>> >>> >> >>> > > > And unmuting more and more things in "Mic Playback
>> Volume"
>> >>> >> >>> > > > in
>> >>> >> >>> > > hdaanalyzer:
>> >>> >> >>> > > > http://i.imgur.com/H0HiOhy.png
>> >>> >> >>> > > > made white noise come from the headset. However it did
>> not
>> >>> >> >>> > > > change or
>> >>> >> >>> > > react
>> >>> >> >>> > > > at all when I talked or even muted the microphone
>> >>> >> >>> > > > physically.
>> >>> >> >>> > > >
>> >>> >> >>> > > > I couldn't find "Mic Playback Switch" anywhere in either
>> >>> >> >>> > > > alsamixer
>> >>> >> >>> or
>> >>> >> >>> > > > hdaanalyzer.
>> >>> >> >>> > >
>> >>> >> >>> > > It's a mixer mute switch.
>> >>> >> >>> > >
>> >>> >> >>> > > > The microphone works perfectly fine under Windows, so I
>> >>> >> >>> > > > don't
>> >>> >> >>> > > > think
>> >>> >> >>> it is
>> >>> >> >>> > > > the mic pin.
>> >>> >> >>> > >
>> >>> >> >>> > > But the fact above indicates the possibility of the wrong
>> pin,
>> >>> >> >>> > > too.
>> >>> >> >>> > >
>> >>> >> >>> > > Does the jack detection of the ext mic pin work?
>> >>> >> >>> > >
>> >>> >> >>> > >
>> >>> >> >>> > > Takashi
>> >>> >> >>> > >
>> >>> >> >>> > > >
>> >>> >> >>> > > > -Håvard
>> >>> >> >>> > > >
>> >>> >> >>> > > > Den man. 10. sep. 2018 kl. 22:39 skrev Takashi Iwai
>> >>> >> >>> > > > <tiwai at suse.de
>> >>> >> >>> >:
>> >>> >> >>> > > >
>> >>> >> >>> > > > > On Thu, 06 Sep 2018 20:44:30 +0200,
>> >>> >> >>> > > > > Håvard wrote:
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > > > Additional relevant info:
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > > > A similar issue was also discussed three years ago on
>> >>> >> >>> > > > > > Sun
>> >>> >> >>> > > > > > Jun
>> >>> >> >>> > > 17:15:54
>> >>> >> >>> > > > > CEST
>> >>> >> >>> > > > > > 2015 and was about his surround sound setup, but did
>> not
>> >>> >> >>> > > > > > touch
>> >>> >> >>> on the
>> >>> >> >>> > > > > > external microphone problem:
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > >
>> >>> >> >>> > >
>> >>> >> >>>
>> >>> >> >>>
>> >>> >> >>>
>> http://mailman.alsa-project.org/pipermail/alsa-devel/2015-June/093317.html
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > > > alsa-info.sh:
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > >
>> >>> >> >>> > >
>> >>> >> >>>
>> >>> >> >>>
>> >>> >> >>>
>> http://www.alsa-project.org/db/?f=1d8616ba5977308e03db6c3a86e36e9e9b38d6f0
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > > > Graph of ALC668 chipset from hdaanalyzer:
>> >>> >> >>> > > > > > http://i.imgur.com/c08DNJW.png
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > > > setting alsa-mode[1-8] does nothing to help the
>> issue.
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > > > There are several of similar bug reports around the
>> web
>> >>> >> >>> experiencing
>> >>> >> >>> > > > > > similar issues, and on different distros.
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > > > Microphone works perfectly in windows
>> >>> >> >>> > > > > >
>> >>> >> >>> > > > > > I have a ASUS ROG G751JT, but this problem seems to
>> >>> >> >>> > > > > > happen
>> >>> >> >>> > > > > > with
>> >>> >> >>> all
>> >>> >> >>> > > > > laptops
>> >>> >> >>> > > > > > under the G751 name.
>> >>> >> >>> > > > >
>> >>> >> >>> > > > > When you enable the loopback volume and switch, and
>> >>> >> >>> > > > > unmute/adjust
>> >>> >> >>> "Mic
>> >>> >> >>> > > > > Playback Volume", and "Mic Playback Switch", do you
>> hear
>> >>> >> >>> > > > > the
>> >>> >> >>> > > > > input
>> >>> >> >>> > > > > from the ext mic?  It's a route directly from NID 0x18
>> to
>> >>> >> >>> > > > > the
>> >>> >> >>> mixer
>> >>> >> >>> > > > > NID 0x0b, then output mixer NID 0x0c, then outputs.  So
>> >>> >> >>> > > > > this
>> >>> >> >>> > > > > can
>> >>> >> >>> be
>> >>> >> >>> > > > > used to verify the hardware routing.
>> >>> >> >>> > > > >
>> >>> >> >>> > > > > If you don't hear via this route, it means that the
>> input
>> >>> >> >>> > > > > from
>> >>> >> >>> the ext
>> >>> >> >>> > > > > mic pin itself is broken, and it implies that something
>> >>> >> >>> > > > > outside
>> >>> >> >>> > > > > HD-audio codec.
>> >>> >> >>> > > > >
>> >>> >> >>> > > > >
>> >>> >> >>> > > > > Takashi
>> >>> >> >>> > > > >
>> >>> >> >>> > > > [2  <text/html; UTF-8 (quoted-printable)>]
>> >>> >> >>> > > >
>> >>> >> >>> > >
>> >>> >> >>> > [2  <text/html; UTF-8 (quoted-printable)>]
>> >>> >> >>> >
>> >>> >> >>>
>> >>> >> >>
>> >>> >> > _______________________________________________
>> >>> >> > Alsa-devel mailing list
>> >>> >> > Alsa-devel at alsa-project.org
>> >>> >> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>>
>


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