From: Thorsten Leemhuis <regressions@leemhuis.info>
To: "regressions@lists.linux.dev" <regressions@lists.linux.dev>
Subject: 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
Date: Fri, 22 Apr 2022 14:36:56 +0200 [thread overview]
Message-ID: <bc4c0a1e-5f0b-adb3-b663-de580632aad9@leemhuis.info> (raw)
In-Reply-To: <43a7c1df-d20c-e975-1312-3561c18228f8@leemhuis.info>
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>
next prev parent reply other threads:[~2022-04-22 12:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-12 7:15 [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
2022-01-16 9:33 ` [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
2022-04-22 12:36 ` Thorsten Leemhuis [this message]
2022-03-21 6:48 ` [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
2022-03-21 7:46 ` Kai-Heng Feng
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