Re: Microphone detected, but no output for all ASUS G751xx with ALC668 chipset

[Håvard <hovardslill@gmail.com>]

I couldn't get the patch installed automatically, so I added the changed
code myself.

Everything works fine and as expected right after reboot! :) Just like we
want!

I don't understand. So this won't work for other G751xx users? Or do they
have to set model=asus-g751? I'm thinking of reaching out and saying it
will be fixed in 4.19.

Thank you!

-Håvard

Den fre. 5. okt. 2018 kl. 14:46 skrev Takashi Iwai <tiwai@suse.de>:

> On Fri, 05 Oct 2018 12:31:37 +0200,
> Håvard wrote:
> >
> > Thank you so much!
> >
> > Will this work for all G751 models, and will this be in the 4.19 kernel?
>
> It's only for yours (the matching PCI SSID).  And it will be included
> only when you test the patch and confirm it working.  So, please test
> it at first.  Then I'll merge after the test rest.
>
>
> thanks,
>
> Takashi
>
>
> > I am very thankful for all your hard work!!
> >
> > -Håvard
> >
> > Den fre. 5. okt. 2018 kl. 12:29 skrev Takashi Iwai <tiwai@suse.de>:
> >
> > > On Fri, 05 Oct 2018 12:10:52 +0200,
> > > Håvard wrote:
> > > >
> > > > I'll try to answer your previous email first.
> > > >
> > > > Everything seems identical to how it was in the 4.18-gentoo kernel
> when
> > > not
> > > > setting the model=alc668-headset option
> > > >
> > > > And using the trick we found:
> > > >
> > > > ./hda-verb /dev/snd/hwC0D0 0x20 0x500 0xc3
> > > > ./hda-verb /dev/snd/hwC0D0 0x20 0x440 0x00
> > >
> > > OK, then the following patch may work.  Give it a try.
> > >
> > >
> > > > Made it so loopback worked perfectly fine for both earpieces.
> > > >
> > > > One curiosity however (this is just a small thing) is that the
> "base" mic
> > > > level is far lower than when the "Mic" option in alsamixer is set to
> > > 100. I
> > > > don't know if it was this way in 4.18-gentoo, but that's the only
> thing
> > > > that doesnt seem correct.
> > > > Here is a screenshot explaining it:
> > > > http://i.imgur.com/dKPELX6.png
> > >
> > > The Mic volume is only for analog loopback, so it can be normal.
> > >
> > >
> > > Takashi
> > >
> > > ---
> > > --- a/sound/pci/hda/patch_realtek.c
> > > +++ b/sound/pci/hda/patch_realtek.c
> > > @@ -7738,6 +7738,7 @@ enum {
> > >         ALC662_FIXUP_ASUS_Nx50,
> > >         ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE,
> > >         ALC668_FIXUP_ASUS_Nx51,
> > > +       ALC668_FIXUP_ASUS_G751,
> > >         ALC891_FIXUP_HEADSET_MODE,
> > >         ALC891_FIXUP_DELL_MIC_NO_PRESENCE,
> > >         ALC662_FIXUP_ACER_VERITON,
> > > @@ -8007,6 +8008,14 @@ static const struct hda_fixup alc662_fixups[] =
> {
> > >                 .chained = true,
> > >                 .chain_id = ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE,
> > >         },
> > > +       [ALC668_FIXUP_ASUS_G751] = {
> > > +               .type = HDA_FIXUP_VERBS,
> > > +               .v.verbs = (const struct hda_verb[]) {
> > > +                       { 0x20, AC_VERB_SET_COEF_INDEX, 0xc3 },
> > > +                       { 0x20, AC_VERB_SET_PROC_COEF, 0x4000 },
> > > +                       {}
> > > +               },
> > > +       },
> > >         [ALC891_FIXUP_HEADSET_MODE] = {
> > >                 .type = HDA_FIXUP_FUNC,
> > >                 .v.func = alc_fixup_headset_mode,
> > > @@ -8080,6 +8089,7 @@ static const struct snd_pci_quirk
> alc662_fixup_tbl[]
> > > = {
> > >         SND_PCI_QUIRK(0x1043, 0x11cd, "Asus N550",
> ALC662_FIXUP_ASUS_Nx50),
> > >         SND_PCI_QUIRK(0x1043, 0x13df, "Asus N550JX",
> ALC662_FIXUP_BASS_1A),
> > >         SND_PCI_QUIRK(0x1043, 0x129d, "Asus N750",
> ALC662_FIXUP_ASUS_Nx50),
> > > +       SND_PCI_QUIRK(0x1043, 0x12ff, "ASUS G751",
> ALC668_FIXUP_ASUS_G751),
> > >         SND_PCI_QUIRK(0x1043, 0x1477, "ASUS N56VZ",
> > > ALC662_FIXUP_BASS_MODE4_CHMAP),
> > >         SND_PCI_QUIRK(0x1043, 0x15a7, "ASUS UX51VZH",
> > > ALC662_FIXUP_BASS_16),
> > >         SND_PCI_QUIRK(0x1043, 0x177d, "ASUS N551",
> ALC668_FIXUP_ASUS_Nx51),
> > > @@ -8184,6 +8194,7 @@ static const struct hda_model_fixup
> > > alc662_fixup_models[] = {
> > >         {.id = ALC668_FIXUP_DELL_XPS13, .name = "dell-xps13"},
> > >         {.id = ALC662_FIXUP_ASUS_Nx50, .name = "asus-nx50"},
> > >         {.id = ALC668_FIXUP_ASUS_Nx51, .name = "asus-nx51"},
> > > +       {.id = ALC668_FIXUP_ASUS_G751, .name = "asus-g751"},
> > >         {.id = ALC891_FIXUP_HEADSET_MODE, .name = "alc891-headset"},
> > >         {.id = ALC891_FIXUP_DELL_MIC_NO_PRESENCE, .name =
> > > "alc891-headset-multi"},
> > >         {.id = ALC662_FIXUP_ACER_VERITON, .name = "acer-veriton"},
> > >
> > [2  <text/html; UTF-8 (quoted-printable)>]
> >
>
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