I checked the latest ubuntu noble kernel, the fix is already merged to
this kernel through this bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2060531
Please wait for the upcoming release version of noble kernel.
commit 6a9156867a5ce4ded2967ca46b0a8d755d9a1ee7
Author: Jiawei Wang
@alef & @Burnarz,
I reproduced the issue on a thinkpad x13-amd laptop. And the most recent
mainline kernel already fixed this regression, I will backport the fix
to ubuntu kernel.
thx.
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Hello,
Here it is.
$ find . -iname acp_*
./pci:00/:00:08.1/:65:00.5/acp_yc_mach.0
./pci:00/:00:08.1/:65:00.5/acp_yc_pdm_dma.0
$ find . -iname dmic-*
./pci:00/:00:08.1/:65:00.5/dmic-codec.0
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the same on Lenovo ThinkPad T14s G4 AMD, no microphone detected, on
23.10 mic was working.
cat /proc/asound/cards
0 [Generic]: HDA-Intel - HD-Audio Generic
HD-Audio Generic at 0x905c8000 irq 138
1 [Generic_1 ]: HDA-Intel - HD-Audio Generic
According to #3, the sound card for dmic is not created.
please run this command:
$cd /sys/devices
$find . -iname acp_*
$find . -iname dmic-*
and paste the output of 2 commands.
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$ cat /proc/asound/cards
0 [Generic]: HDA-Intel - HD-Audio Generic
HD-Audio Generic at 0x795c8000 irq 93
1 [Generic_1 ]: HDA-Intel - HD-Audio Generic
HD-Audio Generic at 0x795c irq 94
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** Changed in: alsa-driver (Ubuntu)
Assignee: (unassigned) => Hui Wang (hui.wang)
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https://bugs.launchpad.net/bugs/2061254
Title:
No mic detected - Ubuntu 24.04 Beta
To manage
Please cat /proc/asound/cards, this could show how many sound cards are
detected.
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https://bugs.launchpad.net/bugs/2061254
Title:
No mic detected - Ubuntu 24.04 Beta
To manage
** Package changed: ubuntu => alsa-driver (Ubuntu)
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https://bugs.launchpad.net/bugs/2061254
Title:
No mic detected - Ubuntu 24.04 Beta
To manage notifications about this bug go to:
