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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1912963
Title:
[ThinkPad E14 Gen2] Internal microphone is not detected
Status in linux package in Ubuntu:
Confirmed
Bug description:
The internal microphone is not detected when I use the stock kernel
5.8.0-40-generic: pavucontrol does not show it in the list of input
devices, the applications like Zoom or Skype do not see it too.
It looks similar to https://askubuntu.com/questions/1277606/internal-
microphone-not-working-on-lenovo-thinkpad-e14-gen-2-amd. I tried the
workaround mentioned there: switched to kernel 5.9.0-050900-generic
from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.9/amd64/ - and
now the microphone was detected and seemed to work OK (I checked that
with pavucontrol and Zoom).
Here is the output of 'pacmd list-sources' for the kernels I tried:
5.8.0-40-generic:
------------------
1 source(s) available.
* index: 0
name: <alsa_output.pci-0000_05_00.6.analog-stereo.monitor>
driver: <module-alsa-card.c>
flags: DECIBEL_VOLUME LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 1030
volume: front-left: 65536 / 100% / 0,00 dB, front-right: 65536 / 100%
/ 0,00 dB
balance 0,00
base volume: 65536 / 100% / 0,00 dB
volume steps: 65537
muted: no
current latency: 0,00 ms
max rewind: 0 KiB
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
fixed latency: 100,14 ms
monitor_of: 0
card: 0 <alsa_card.pci-0000_05_00.6>
module: 7
properties:
device.description = "Monitor of Family 17h (Models 10h-1fh) HD
Audio Controller Analog Stereo"
device.class = "monitor"
alsa.card = "1"
alsa.card_name = "HD-Audio Generic"
alsa.long_card_name = "HD-Audio Generic at 0xfd3c0000 irq 99"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:05:00.6"
sysfs.path =
"/devices/pci0000:00/0000:00:08.1/0000:05:00.6/sound/card1"
device.bus = "pci"
device.vendor.id = "1022"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
device.product.id = "15e3"
device.product.name = "Family 17h (Models 10h-1fh) HD Audio
Controller"
device.string = "1"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
------------------
5.9.0-050900-generic:
------------------
2 source(s) available.
index: 0
name: <alsa_output.pci-0000_05_00.6.analog-stereo.monitor>
driver: <module-alsa-card.c>
flags: DECIBEL_VOLUME LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 1030
volume: front-left: 65536 / 100% / 0,00 dB, front-right: 65536 / 100%
/ 0,00 dB
balance 0,00
base volume: 65536 / 100% / 0,00 dB
volume steps: 65537
muted: no
current latency: 0,00 ms
max rewind: 0 KiB
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
fixed latency: 100,14 ms
monitor_of: 0
card: 0 <alsa_card.pci-0000_05_00.6>
module: 7
properties:
device.description = "Monitor of Family 17h (Models 10h-1fh) HD
Audio Controller Analog Stereo"
device.class = "monitor"
alsa.card = "1"
alsa.card_name = "HD-Audio Generic"
alsa.long_card_name = "HD-Audio Generic at 0xfd3c0000 irq 99"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:05:00.6"
sysfs.path =
"/devices/pci0000:00/0000:00:08.1/0000:05:00.6/sound/card1"
device.bus = "pci"
device.vendor.id = "1022"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
device.product.id = "15e3"
device.product.name = "Family 17h (Models 10h-1fh) HD Audio
Controller"
device.string = "1"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
* index: 1
name: <alsa_input.pci-0000_05_00.6.analog-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 9039
volume: front-left: 10387 / 16% / -48,00 dB, front-right: 10387 /
16% / -48,00 dB
balance 0,00
base volume: 6554 / 10% / -60,00 dB
volume steps: 65537
muted: no
current latency: 0,00 ms
max rewind: 0 KiB
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
fixed latency: 100,14 ms
card: 0 <alsa_card.pci-0000_05_00.6>
module: 7
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "ALC257 Analog"
alsa.id = "ALC257 Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "1"
alsa.card_name = "HD-Audio Generic"
alsa.long_card_name = "HD-Audio Generic at 0xfd3c0000 irq 99"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:05:00.6"
sysfs.path =
"/devices/pci0000:00/0000:00:08.1/0000:05:00.6/sound/card1"
device.bus = "pci"
device.vendor.id = "1022"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
device.product.id = "15e3"
device.product.name = "Family 17h (Models 10h-1fh) HD Audio
Controller"
device.string = "front:1"
device.buffering.buffer_size = "17664"
device.buffering.fragment_size = "2944"
device.access_mode = "mmap"
device.profile.name = "analog-stereo"
device.profile.description = "Analog Stereo"
device.description = "Family 17h (Models 10h-1fh) HD Audio
Controller Analog Stereo"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
analog-input-internal-mic: Internal Microphone (priority 8900,
latency offset 0 usec, available: unknown)
properties:
device.icon_name = "audio-input-microphone"
analog-input-mic: Microphone (priority 8700, latency offset 0
usec, available: no)
properties:
device.icon_name = "audio-input-microphone"
active port: <analog-input-internal-mic>
------------------
The microphone is listed in the output for the kernel 5.9.
I am not sure if this is an issue in the kernel, or in pulseaudio, or
in some other software. Filing this bug against 'linux' package now,
because the issue did not show up with kernel 5.9. Please reassign the
bug if needed.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: linux-image-5.8.0-40-generic 5.8.0-40.45
ProcVersionSignature: Ubuntu 5.8.0-40.45-generic 5.8.18
Uname: Linux 5.8.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu50.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: alina 1031 F.... pulseaudio
alina 1035 F.... pipewire-media-
/dev/snd/controlC0: alina 1035 F.... pipewire-media-
/dev/snd/seq: alina 1030 F.... pipewire
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Sun Jan 24 23:47:24 2021
InstallationDate: Installed on 2021-01-18 (6 days ago)
InstallationMedia: Kubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
MachineType: LENOVO 20T60030RT
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-40-generic
root=UUID=1b0f22fc-c314-411c-87c4-ef7e71326576 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.8.0-40-generic N/A
linux-backports-modules-5.8.0-40-generic N/A
linux-firmware 1.190.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/26/2020
dmi.bios.release: 1.9
dmi.bios.vendor: LENOVO
dmi.bios.version: R1AET33W (1.09 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20T60030RT
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.9
dmi.modalias:
dmi:bvnLENOVO:bvrR1AET33W(1.09):bd10/26/2020:br1.9:efr1.9:svnLENOVO:pn20T60030RT:pvrThinkPadE14Gen2:rvnLENOVO:rn20T60030RT:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad E14 Gen 2
dmi.product.name: 20T60030RT
dmi.product.sku: LENOVO_MT_20T6_BU_Think_FM_ThinkPad E14 Gen 2
dmi.product.version: ThinkPad E14 Gen 2
dmi.sys.vendor: LENOVO
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