From: Kai-Heng Feng <kai.heng.feng@canonical.com>
To: Thorsten Leemhuis <regressions@leemhuis.info>
Cc: "regressions@lists.linux.dev" <regressions@lists.linux.dev>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
itsbytebites@tutanota.com, alsa-devel@alsa-project.org,
kailang@realtek.com
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)
Date: Mon, 21 Mar 2022 15:46:47 +0800 [thread overview]
Message-ID: <CAAd53p4qmoRV1TjTG00vEmQmuiYWxQMjN9SER5i=1c_cB41d_A@mail.gmail.com> (raw)
In-Reply-To: <420bd395-10e7-b5de-97da-56d90fb82654@leemhuis.info>
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>
prev parent reply other threads:[~2022-03-21 7:47 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
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 [this message]
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