** Tags added: cscc
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Title:
click/pop noise in the headphone on several lenovo laptops
Status in linux package in Ubuntu:
Fix
** Information type changed from Public to Public Security
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Title:
click/pop noise in the headphone on several lenovo laptops
This bug was fixed in the package linux - 4.19.0-12.13
---
linux (4.19.0-12.13) disco; urgency=medium
* linux: 4.19.0-12.13 -proposed tracker (LP: #1813664)
* kernel oops in bcache module (LP: #1793901)
- SAUCE: bcache: never writeback a discard operation
* Disco update:
This bug was fixed in the package linux - 4.18.0-14.15
---
linux (4.18.0-14.15) cosmic; urgency=medium
* linux: 4.18.0-14.15 -proposed tracker (LP: #1811406)
* CPU hard lockup with rigorous writes to NVMe drive (LP: #1810998)
- blk-wbt: Avoid lock contention and thundering
This bug was fixed in the package linux - 4.15.0-44.47
---
linux (4.15.0-44.47) bionic; urgency=medium
* linux: 4.15.0-44.47 -proposed tracker (LP: #1811419)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* CPU hard lockup with rigorous writes to
Hui Wang,
After applying the patch to 4.20.4 (and even after removing hda-verb on
module load and wake-up from sleep / hibernation), there's no noise,
neither after boot nor after S3 sleep or hibernation. Yes!!!
The quiet sound still remains. After testing it again (mplayer,
@Vadim,
since I can't reproduce the noise you mentioned, I can't verify this
patch.
Could you please build a kernel with the patch below and do a test?
thanks.
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index aee4cbd29d53..e20cf752ce76 100644
---
(sorry about comment #34, please disregard)
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Title:
click/pop noise in the headphone on several lenovo laptops
Status in linux
Hui Wang,
Without the 0x12 line (but with the rest of your patch) there is no
noise.
Likewise, with your patch (standard kernel), running hda-verb or loading
the module with the equivalent options also stops the noise.
Additionally, with your full patch the sound is 10dB lower (or 20dB
lower
Hui Wang,
Apologies for the slow reply.
Do you mean that you also have quiet sound after the boot?
Today I upgraded to 4.19.12, and the results seem the same. I'm running
Funtoo Linux with "gentoo-sources" kernel, HDA and the Realtek codec as
modules and plain ALSA with no daemons. I tried to
@Vadim,
Not yet.
According to [1], the noise you mentioned in the #8 is reported by
someone already before my patch is merged to linux kernel, but in the
#8, you wrote "This does not happen if I remove the "0x12" line", and it
looks like even don't remove "0x12" line, running "sudo hda-verb
Hui Wang,
Do you have a patch to set the values? I don't run Ubuntu. Is there a
publicly accessible branch with -proposed patches?
Thank you!
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＠vincezoml,
You also met the hissing problem? could you elaborate a little bit on
it? And in what kernel versions did you meet this problem?
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Ah sorry, I misunderstood the comment. So verification is done and the
fix will be committed? What a relief, on a 2.5k euros laptop the hissing
was really unbearable.
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Wait, I just found out about this bug today. I am available to test and
am going to test right now, but can the fix be added to source again?
What's the procedure?
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** Tags removed: verification-needed-cosmic
** Tags added: verification-done-cosmic
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Title:
click/pop noise in the headphone on
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
cosmic' to 'verification-done-cosmic'. If the problem still exists,
change the tag
Realtek told me that in the alc285, the pin 0x1d is for PC beep in, if
PC beep in has noise, it will affect speaker or headphone, set the
pinctl of 0x1d to 0x0 is helpful to reduce the noise or close the pc
peep in passthrough by setting 0x57d7 to Node 0x20 COEF index 0x36.
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** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => Fix Committed
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** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Cosmic)
Importance: Undecided => Critical
** Changed in: linux (Ubuntu Cosmic)
Status: New => Fix Committed
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Hui Wang,
BTW, in case the sound card distinguishes between headphone out and line
out modes, thus may be relevant: my headphones have impedance of 70Ω.
Vadim.
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Thank you!
Meanwhile I use modprobe to configure the "verb", but also run hda-verb
on wakeup from sleep or hibernation.
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Title:
Let me consult the expert of Realtek codec, to see if we can get some
explanation from him.
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Title:
click/pop noise in the
The two methods appear to do the same, except hda-verb applies the
change when run and the other method at the time the hda kernel module
is loaded. You can run hda-verb at boot instead, but the other method
looks cleaner to me, as it applies the fix when the hardware is
configured by the driver.
I think the poster here [1] and here [2] are the same person. That
person mentions in the Lenovo thread [2] that the "sudo hda-verb
/dev/snd/hwC0D0 0x1d SET_PIN_WIDGET_CONTROL 0x0" command is temporary,
and to permanently apply it the method mentioned in the same Lenovo
thread needs to be done.
Hui Wang,
Yes, this solves the noise issue. Both the modprobe method from Lenovo
forum and the command you provided work perfectly. Thank you, and thank
you James!
I still have quiet sound initially. And, now that I compared it to the
kernel without the 0x12 line, it seems that the sound is
@Vadim,
Since James pointed out a solution, let us test if this workaround can
fix the noise of headphone on your machine?
After you heard the noise from headphone, run "sudo hda-verb
/dev/snd/hwC0D0 0x1d SET_PIN_WIDGET_CONTROL 0x0" in the terminal. Then
can you still hear the noise?
--
You
@James， thanks for your comment, the kernel of 18.04.1 doesn't include
my patches yet, you can have a try https://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.20/, to see if you still can experience popping from
L-Channel and if you can hear noise from headphone (#12).
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I am using an X1 Carbon Gen 6 (BIOS 1.31) with Ubuntu 18.04.1 LTS, and I
too experience the popping sounds in the left-channel of my headphones
(this does not occur when connecting the same headphones with a 3.5mm-
to-USB-C adapter to the second USB-C port).
Other than that issue, audio through
@Vadim
Today I tested on lenovo P72 and Yoda again, I installed the kernel here
(https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20/), I can't
reproduce the noise you mentioned. I can reproduce the quiet volume
issue on both machines.
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Plugging the headphones during Grub doesn't seem to matter.
thanks!
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Title:
click/pop noise in the headphone on several lenovo
For the quiet and non-quiet ｐｒｏｂｌｅｍ, since there is no difference between 1st
and 2nd alsa-info.txt, I really have no idea what is the root cause for this
problem. Probably, we can do another test:
don't plug the headphone in poweroff state,
poweron the machine, and let machine enter grub, then
The script uploaded the info under random names, but they're the same
anyway.
Quiet:
http://www.alsa-project.org/db/?f=7712362b1f31c1c142d4016983e648b99d8e5036
Not quiet:
http://www.alsa-project.org/db/?f=579cbfe2a915281a46e449a07b4f359917191943
I also generated one without the 0x12 line:
I also have the quiet sound after the boot (but not too quiet).
About the noise you mentioned, I didn't hear that yet.
About the "Line Out Playback Volume" and "{Headphone,Speaker} Playback
Volume, without my patch, the Headphone and Speaker has its own
independent DAC, with my patch, they share
Hui Wang,
Apologies for the slow reply.
Do you mean that you also have quiet sound after the boot?
Today I upgraded to 4.19.12, and the results seem the same. I'm running
Funtoo Linux with "gentoo-sources" kernel, HDA and the Realtek codec as
modules and plain ALSA with no daemons. I tried to
@Vadim,
For comment#8, I can reproduce the former parts, but "I start hearing
noise reminiscent of cheap soundcards..." can't be reproduced, there is
no noise on my machine (x1 carbon).
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Awesome, thank you. Let me know if you want me to run particular tests
or provide information. I'm not sure if the issue manifests every time.
On kernels before 4.19.7 I was hearing noise sometimes, especially after
waking up from S3 sleep, but S4 hibernation or reboot (possibly turning
the
@Vadim,
I will try to reproduce your problem next week.
thanks.
hui.
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Title:
click/pop noise in the headphone on several lenovo
Hi Hui Wang,
While waiting for your patch to reach the mainline, I just insert these
two lines myself.
However, I still have issues with the sound.
Scenario: laptop is off, headphones are inserted, sound (both mic and
output) is muted; I turn it on, log in etc., unmute the output and play
Hello Vadim,
already sent the patch to review, let us wait for the next release.
Thanks.
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Title:
click/pop noise in the headphone
Hi Hui Wang,
I added the lines and now everything works perfectly. Thank you!
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Title:
click/pop noise in the headphone on several
@Vadim,
Need to add the code as below:
.chained = true,
.chain_id = ALC269_FIXUP_THINKPAD_ACPI
I will send the patch to fix it.
Thanks.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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Awesome fix, Hui Wang, thank you!
I'm on Lenovo ThinkPad X1 Carbon 6th, model 20KH006JGE. After upgrading
to Linux 4.19.7, the audio mute and microphone mute LEDs (on F1 and F4
keys) stopped working. They do work if I remove the line:
{0x12, 0x90a60130},
Just removing it
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Committed
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Title:
click/pop noise in the headphone on several lenovo
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
click/pop noise in the headphone on several lenovo
hwang4@hwang4-Inspiron-7520:~/work/mainline/alsa/sound$ git show
c4cfcf6f4297c9256b53790bacbbbd6901fef468
commit c4cfcf6f4297c9256b53790bacbbbd6901fef468 (origin/for-linus)
Author: Hui Wang
Date: Mon Nov 26 14:17:16 2018 +0800
ALSA: hda/realtek - fix the pop noise on headphone for lenovo
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