[regression] Headphone output gets unproperly powered down - Mi Notebook Pro 2020 (ALC256) (fwd of b.k.o bug #215484; starting with 5.14.14)

[regression] Headphone output gets unproperly powered down - Mi Notebook Pro 2020 (ALC256) (fwd of b.k.o bug #215484; starting with 5.14.14)

[Thorsten Leemhuis]

Hi, this is your Linux kernel regression tracker speaking.

I'm forwarding a regression reported in bugzilla.kernel.org to the list,
to make sure all parties interested in this are aware of it. The
reporter is CCed. Not CCing the stable list in this case, as 5.14 is EOL
already.

https://bugzilla.kernel.org/show_bug.cgi?id=215484

> With headphones (or an auxiliary jack) plugged in, the audio output
> is fine when anything is playing, but when that's stopped a loud pop
> can be heard after some seconds and if the jack is connected to an
> external amplifier it gets really noisy. Everything gets back to
> normal whenever audio playback is resumed, although with another loud
> pop at the start.
> 
> This has been happening since kernel 5.14.14, whereas 5.14.13 is
> fine. I suspect it has to do with the ALC256 mute logic implemented
> in that version
> (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/sound/pci/hda/patch_realtek.c?id=v5.14.14&id2=v5.14.13)
> 
> OS: Fedora Linux 35 Kernel: 5.16.0-60 Vanilla Hardware: Xiaomi Mi
> Notebook Pro Enhanced 2020 (i7 10510U, ALC256)

Ciao, Thorsten

#regzbot introduced v5.14.13..v5.14.14
#regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215484
#regzbot from: Emanuele Melzi <itsbytebites@tutanota.com>

Re: [regression] Headphone output gets unproperly powered down - Mi Notebook Pro 2020 (ALC256) (fwd of b.k.o bug #215484; starting with 5.14.14) #forregzbot

[Thorsten Leemhuis]

For the record:

#regzbot introduced f8d3c17e1c3720a1497b5c5db514a832834610d1

TWIMC: this mail is primarily send for documentation purposes and for
regzbot, my Linux kernel regression tracking bot. These mails usually
contain '#forregzbot' in the subject, to make them easy to spot and filter.

On 12.01.22 08:15, Thorsten Leemhuis wrote:
> 
> Hi, this is your Linux kernel regression tracker speaking.
> 
> I'm forwarding a regression reported in bugzilla.kernel.org to the list,
> to make sure all parties interested in this are aware of it. The
> reporter is CCed. Not CCing the stable list in this case, as 5.14 is EOL
> already.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=215484
> 
>> With headphones (or an auxiliary jack) plugged in, the audio output
>> is fine when anything is playing, but when that's stopped a loud pop
>> can be heard after some seconds and if the jack is connected to an
>> external amplifier it gets really noisy. Everything gets back to
>> normal whenever audio playback is resumed, although with another loud
>> pop at the start.
>>
>> This has been happening since kernel 5.14.14, whereas 5.14.13 is
>> fine. I suspect it has to do with the ALC256 mute logic implemented
>> in that version
>> (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/sound/pci/hda/patch_realtek.c?id=v5.14.14&id2=v5.14.13)
>>
>> OS: Fedora Linux 35 Kernel: 5.16.0-60 Vanilla Hardware: Xiaomi Mi
>> Notebook Pro Enhanced 2020 (i7 10510U, ALC256)
> 
> Ciao, Thorsten
> 
> #regzbot introduced v5.14.13..v5.14.14
> #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215484
> #regzbot from: Emanuele Melzi <itsbytebites@tutanota.com>

Re: [regression] Headphone output gets unproperly powered down - Mi Notebook Pro 2020 (ALC256) (fwd of b.k.o bug #215484; starting with 5.14.14) #forregzbot

[Thorsten Leemhuis]

On 16.01.22 10:33, Thorsten Leemhuis wrote:
> For the record:
> 
> #regzbot introduced f8d3c17e1c3720a1497b5c5db514a832834610d1
> 
> TWIMC: this mail is primarily send for documentation purposes and for
> regzbot, my Linux kernel regression tracking bot. These mails usually
> contain '#forregzbot' in the subject, to make them easy to spot and filter.

#regzbot introduced 5aec98913095
#regzbot fixed-by f30741cded62f87bb4b1cc58bc627f076abcaba8

> On 12.01.22 08:15, Thorsten Leemhuis wrote:
>>
>> Hi, this is your Linux kernel regression tracker speaking.
>>
>> I'm forwarding a regression reported in bugzilla.kernel.org to the list,
>> to make sure all parties interested in this are aware of it. The
>> reporter is CCed. Not CCing the stable list in this case, as 5.14 is EOL
>> already.
>>
>> https://bugzilla.kernel.org/show_bug.cgi?id=215484
>>
>>> With headphones (or an auxiliary jack) plugged in, the audio output
>>> is fine when anything is playing, but when that's stopped a loud pop
>>> can be heard after some seconds and if the jack is connected to an
>>> external amplifier it gets really noisy. Everything gets back to
>>> normal whenever audio playback is resumed, although with another loud
>>> pop at the start.
>>>
>>> This has been happening since kernel 5.14.14, whereas 5.14.13 is
>>> fine. I suspect it has to do with the ALC256 mute logic implemented
>>> in that version
>>> (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/sound/pci/hda/patch_realtek.c?id=v5.14.14&id2=v5.14.13)
>>>
>>> OS: Fedora Linux 35 Kernel: 5.16.0-60 Vanilla Hardware: Xiaomi Mi
>>> Notebook Pro Enhanced 2020 (i7 10510U, ALC256)
>>
>> Ciao, Thorsten
>>
>> #regzbot introduced v5.14.13..v5.14.14
>> #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215484
>> #regzbot from: Emanuele Melzi <itsbytebites@tutanota.com>

Re: [regression] Headphone output gets unproperly powered down - Mi Notebook Pro 2020 (ALC256) (fwd of b.k.o bug #215484; starting with 5.14.14)

[Thorsten Leemhuis]

Hi, this is your Linux kernel regression tracker. Top-posting for once,
to make this easily accessible to everyone.

Could anybody please finally look into this bisected regression from
5.14.13 to 5.14.14 (f8d3c17e1c37 ("ALSA: hda/realtek - ALC236 headset
MIC recording issue")) that according to a recent bugzilla comment from
reporter is still present in recent 5.16 kernels?

Ciao, Thorsten

On 12.01.22 08:15, Thorsten Leemhuis wrote:
> 
> Hi, this is your Linux kernel regression tracker speaking.
> 
> I'm forwarding a regression reported in bugzilla.kernel.org to the list,
> to make sure all parties interested in this are aware of it. The
> reporter is CCed. Not CCing the stable list in this case, as 5.14 is EOL
> already.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=215484
> 
>> With headphones (or an auxiliary jack) plugged in, the audio output
>> is fine when anything is playing, but when that's stopped a loud pop
>> can be heard after some seconds and if the jack is connected to an
>> external amplifier it gets really noisy. Everything gets back to
>> normal whenever audio playback is resumed, although with another loud
>> pop at the start.
>>
>> This has been happening since kernel 5.14.14, whereas 5.14.13 is
>> fine. I suspect it has to do with the ALC256 mute logic implemented
>> in that version
>> (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/sound/pci/hda/patch_realtek.c?id=v5.14.14&id2=v5.14.13)
>>
>> OS: Fedora Linux 35 Kernel: 5.16.0-60 Vanilla Hardware: Xiaomi Mi
>> Notebook Pro Enhanced 2020 (i7 10510U, ALC256)
> 
> Ciao, Thorsten
> 
> #regzbot introduced v5.14.13..v5.14.14
> #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215484
> #regzbot from: Emanuele Melzi <itsbytebites@tutanota.com>

Re: [regression] Headphone output gets unproperly powered down - Mi Notebook Pro 2020 (ALC256) (fwd of b.k.o bug #215484; starting with 5.14.14)

[Kai-Heng Feng]

Hi Thorten,

On Mon, Mar 21, 2022 at 2:48 PM Thorsten Leemhuis
<regressions@leemhuis.info> wrote:
>
> Hi, this is your Linux kernel regression tracker. Top-posting for once,
> to make this easily accessible to everyone.
>
> Could anybody please finally look into this bisected regression from
> 5.14.13 to 5.14.14 (f8d3c17e1c37 ("ALSA: hda/realtek - ALC236 headset
> MIC recording issue")) that according to a recent bugzilla comment from
> reporter is still present in recent 5.16 kernels?

I just asked the affected user to test my patch. Once it's tested I'll
send it out.

Kai-Heng

>
> Ciao, Thorsten
>
> On 12.01.22 08:15, Thorsten Leemhuis wrote:
> >
> > Hi, this is your Linux kernel regression tracker speaking.
> >
> > I'm forwarding a regression reported in bugzilla.kernel.org to the list,
> > to make sure all parties interested in this are aware of it. The
> > reporter is CCed. Not CCing the stable list in this case, as 5.14 is EOL
> > already.
> >
> > https://bugzilla.kernel.org/show_bug.cgi?id=215484
> >
> >> With headphones (or an auxiliary jack) plugged in, the audio output
> >> is fine when anything is playing, but when that's stopped a loud pop
> >> can be heard after some seconds and if the jack is connected to an
> >> external amplifier it gets really noisy. Everything gets back to
> >> normal whenever audio playback is resumed, although with another loud
> >> pop at the start.
> >>
> >> This has been happening since kernel 5.14.14, whereas 5.14.13 is
> >> fine. I suspect it has to do with the ALC256 mute logic implemented
> >> in that version
> >> (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/sound/pci/hda/patch_realtek.c?id=v5.14.14&id2=v5.14.13)
> >>
> >> OS: Fedora Linux 35 Kernel: 5.16.0-60 Vanilla Hardware: Xiaomi Mi
> >> Notebook Pro Enhanced 2020 (i7 10510U, ALC256)
> >
> > Ciao, Thorsten
> >
> > #regzbot introduced v5.14.13..v5.14.14
> > #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215484
> > #regzbot from: Emanuele Melzi <itsbytebites@tutanota.com>