@Tim Woelfle (teadoub) which kernel version do you have? And for you
make a file /etc/modprobe.d/snd conf and paste "options snd-sof-intel-
hda-common hda_model=alc287-yoga9-bass-spk-pin" was enaugh?
Thx
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I'm now on Ubuntu 23.04 (incl. new kernel) and managed to make the bass
work on my Lenovo Yoga 9 14IAP7 through this trick:
https://wiki.archlinux.org/title/Lenovo_Yoga_9i_2022_(14AiPI7)#Audio
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I have the same problem on a Yoga 7 Gen 7 AMD (14ARB7), which may be the
same problem.
@pjungkamp In order to test on my machine, can I just apply the same set
of patches (¹ and ²), or do I need to do something like search/replace,
or I just can't apply them at all? Thanks!
I found a fix for the speakers and several other issues.
I submitted the patch to the alsa-devel mailing list, where it was applied by
one of the sound subsystem maintainers. It will now slowly travel towards
mainline.
https://mailman.alsa-project.org/pipermail/alsa-
devel/2022-July/204315.html
I have the same problem as Philipp Jungkamp and Clem Schum on the Yoga 9
14IAP7 on Ubuntu 22.04. Hope this can get fixed soon, thank you very
much to everyone who is involved!
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I am experiencing a similar problem to the one described here, but on the more
recent "Yoga 9 14IAP7".
It does also use the ALC287 in a similar configuration.
The speaker-bar above the keyboard works out of the box, but the bass
speakers do not work.
'$ cat /sys/class/sound/hwC0D0/subsystem_id'
Yoga Slim 9 14ITL5 Ubuntu 20.04 kernel 5.13.0-30-generic
No sound on front speakers
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https://bugs.launchpad.net/bugs/1926165
Title:
Bass speakers not
Thanks for posting the fix, I tired it out on my Yoga 9 14ITL5 on both
the Fedora 35 5.14.18-300.fc35.x86_64 kernel and the Ubuntu 21.10
5.13.0-19-generic kernel with minimal luck. With DAC1 and DAC2 at
maximum, the rear speaker sounds like nothing is coming out of it. When
DAC1 is turned down to
Thank you Hui Wang this fixed poor speaker quality on my 9i.
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Title:
Bass speakers not enabled on Lenovo Yoga 9i
** Tags removed: verification-needed-hirsute
** Tags added: verification-done-hirsute
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Title:
Bass speakers not
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-
hirsute' to 'verification-done-hirsute'. If the problem still exists,
change the tag
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-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag
@ivandrs,
only RtHDDump.txt is not enough, Please refer to:
https://github.com/ryanprescott/realtek-verb-tools/wiki/How-to-sniff-
verbs-from-a-Windows-sound-driver and
https://github.com/thesofproject/linux/issues/2748, If could find a
workable verb sequence to initialize the I2S amplifier, it
@Hui Wang
Any chance to get working verbs for Yoga C930? )
I have managed to run Win10 into QEMU with working bass speakers and got the
RtHDDump.txt
Maybe it will be useful..
** Attachment added: "RtHDDump.txt"
@Hui Wang
I've tested. Verbs from #17 have no effect, verbs from set-verbs-c930.sh
completely disable all speakers, no sound.
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@ivandrs,
Looks like the patch works as expected, the Bass spk is assigned to NID
0x17 with the patched kernel.
Now let us test the verbs. First, boot with the patched kernel, then run
verbs in the #17, check if the bass spk works.
If not work, please power off the machine then boot the machine
@Hui Wang
Eventually, i have applied your patch to the kernel.
I have DAC1 and DAC2 now and somehow sound is better now than before, but rear
speakers are not working.
If i change the level of DAC1 - the sound volume changes, but the changing of
DAC2 level does nothing.
Update:
The alsa-info is
The attachment "0001-test-c930-and-c940-dual-speaker.patch" seems to be
a patch. If it isn't, please remove the "patch" flag from the
attachment, remove the "patch" tag, and if you are a member of the
~ubuntu-reviewers, unsubscribe the team.
[This is an automated message performed by a Launchpad
@ivandrs,
Since it is not ubuntu linux on your machine, I don't know how to build
kernel for your distro. Please apply this patch to the kernel source,
build and install the testing kernel. boot with
"snd_hda_intel.dmic_detect=0", after booting up, please run alsamixer,
please make sure master,
@Hui Wang,
the alsa-info.txt for Yoga C930 is here
http://alsa-project.org/db/?f=1ffb1551a46965865ee272cef105769e879397c7
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This is the kernel patch for Yoga 9i: https://mailman.alsa-
project.org/pipermail/alsa-devel/2021-May/185011.html
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@Tim,
No need to do more test on the Yoga 9i, feel free to restore your
machine. thx. After I send the kernel patch to alsa-devel, I will add
the patch URL here.
@ivandrs,
About the c930, could you please upload an alsa-info.txt first, and I
will try to find a fix for c930 after fixing the
@Hui Wang
if you will have time to make the same script for Lenovo C930 i'll be
glad to help with testing
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Title:
Also let me know if you need me to test anything else before I restore
my machine.
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Title:
Bass speakers not
OK tested. Kernel works, I'm getting sound from both speaker bar and
the bass speakers on the bottom. Thank you.
Is it possible to get the code for the driver so I can compile it into
my kernel source for my laptop?
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I can test today, just have to install ubuntu again(its unusable on this
laptop do to outdated libinput). Will install shortly and test the
kernel.
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Hello, Does anyone could help test the testing kernel in the #25?
thx.
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Title:
Bass speakers not enabled on
Another confirmation for the 9i.
After set-verb.sh script my bass speaker is working.
Thanks Hui Wang! You're such a helpful person. I've heard you've managed
to fix a bunch of these, where people would just be frustrated for
months and years without you.
If you're ever in Pittsburgh, I'll buy
The testing kernel for yoga 9i:
https://people.canonical.com/~hwang4/lp1926165/v2/, install this v2
testing kernel, don't need to run the script, check if the bass spk
works or not.
For c930 and c940, the testing kernel is not suitable for them, they only
defines main speaker, this is different
Will the fix be able to be compiled as a module for any kernel?
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Title:
Bass speakers not enabled on Lenovo Yoga
I have a Yoga C940, which is the precursor to the 9i. It has the
soundbar and two speakers under the body of the laptop. Out of the box
the body speakers did't work but there is a special BIOS for the C940
(only) that activates an amplifier for these speakers. I think that
the C940 only has
@hui.wang is my hero!
I can't wait to test this when I get home tonight!
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Title:
Bass speakers not enabled on
The fix should be put into the kernel driver. I will build a testing
kernel with this fix tomorrow.
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Title:
Bass
do you think this is a patch to alsa or a kernel patch?
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Title:
Bass speakers not enabled on Lenovo Yoga 9i
You are awesome! I ran the script with Fedora 34 as well(no changes to
the kernel) and the speaker works perfect now.
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After running that script the bass speakers work correctly.
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Title:
Bass speakers not enabled on Lenovo Yoga 9i
Please test with generic kernel, and set both DAC1 and DAC2 to maximum,
download the attached set-verb.sh, chmod a+x set-verb.sh, sudo ./set-
verb.sh. Check if the bass spk could output sound?
thx.
** Attachment added: "set-verb.sh"
OK, wrote an email to realtek codec expert to ask for help.
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Title:
Bass speakers not enabled on Lenovo Yoga 9i
DAC1 - no sound
DAC2 - sound(only through the top speaker bar)
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Title:
Bass speakers not enabled on Lenovo Yoga
> 1st test: set the DAC1 volume to minimum, and set the DAC2 volume to
maximum, could you still hear the music? Does the sound comes from front
speaker or rear speaker?
Music works, bass speakers are not enabled.
> 2nd test: set the DAC1 voluem to maximum, and set the DAC2 volume to
minimum,
Not sure if it helps, but when i run speaker-test -c 5, all 5 channels
get sent to the speaker bar up top.
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Title:
@Tim and Jussi,
I tried to find the same machine as yours in our office, but there is no
9i, c930 or c940. Please do one more test, then I will ask for help from
Realtek according to the test result.
Boot with the standard kernel (not my testing kernel), play some music through
the speaker,
This kernel also does not produce sound from the bottom bass speakers
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Title:
Bass speakers not enabled on
Here it is.
** Attachment added: "alsa-project.org.txt"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1926165/+attachment/5498257/+files/alsa-project.org.txt
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I'm running fedora 34, but I'm more then happy to install ubuntu back
today and try these kernels if it will help resolve the issue. Just
need some time to get that done.
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Unfortunately I can only run live cd:s on this machine due to reasons.
Maybe someone else with the issue can give it a go?
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Please install, reboot and test this testing kernel.
https://people.canonical.com/~hwang4/lp1926165/
And generate and upload the alsa-info.txt with the testing kernel.
thx.
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Oh, Looks like the the bass speaker and main speaker assignment are
different from other Lenovo X1 series.
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Title:
No sound comes out of the bass speakers. This is an issue with the c940,
c930 and yoga 9i. Not sure if the cause is the same on all.
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> The bass speaker and main speaker work together, if you play some
sound from the speaker, the sound will be played by bass speaker and
main speaker together.
That is not what happens in real life. The sound is tinny and poor
compared to playing the exact same sound clip on Windows. This is
I checked the log, looks there is no problem on the speakers.
The bass speaker and main speaker work together, if you play some sound
from the speaker, the sound will be played by bass speaker and main
speaker together.
How do you expect the bass speaker to work?
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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