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[Kangarooo Jānis <1871435@xxxxxxxxxxxxxxxxxx>]

https://askubuntu.com/questions/1250543/kubuntu-20-04-lts-lenovo-e31
-internal-microphone-not-working-but-works-on-other

KUbuntu 20.04 LTS Lenovo E31 Internal Microphone not working but works
on other OS

Maybe ideas from https://askubuntu.com/questions/1243768/ubuntu-20-04-lenovo-ideapad-microphone-not-working
https://askubuntu.com/questions/1245434/ubuntu-20-04-fresh-installation-microphone-not-working

sudo cat /etc/modprobe.d/alsa-base.conf
[sudo] password for kang:
options snd-hda-intel index=0 model=laptop-dmic

# autoloader aliases
install sound-slot-0 /sbin/modprobe snd-card-0
install sound-slot-1 /sbin/modprobe snd-card-1
install sound-slot-2 /sbin/modprobe snd-card-2
install sound-slot-3 /sbin/modprobe snd-card-3
install sound-slot-4 /sbin/modprobe snd-card-4
install sound-slot-5 /sbin/modprobe snd-card-5
install sound-slot-6 /sbin/modprobe snd-card-6
install sound-slot-7 /sbin/modprobe snd-card-7

# Cause optional modules to be loaded above generic modules
install snd /sbin/modprobe --ignore-install snd $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-ioctl32 ; /sbin/modprobe --quiet --use-blacklist snd-seq ; }
#
# Workaround at bug #499695 (reverted in Ubuntu see LP #319505)
install snd-pcm /sbin/modprobe --ignore-install snd-pcm $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-pcm-oss ; : ; }
install snd-mixer /sbin/modprobe --ignore-install snd-mixer $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-mixer-oss ; : ; }
install snd-seq /sbin/modprobe --ignore-install snd-seq $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; /sbin/modprobe --quiet --use-blacklist snd-seq-oss ; : ; }
#
install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; : ; }
# Cause optional modules to be loaded above sound card driver modules
install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1 $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-emu10k1-synth ; }
install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq ; }

# Load saa7134-alsa instead of saa7134 (which gets dragged in by it anyway)
install saa7134 /sbin/modprobe --ignore-install saa7134 $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist saa7134-alsa ; : ; }
# Prevent abnormal drivers from grabbing index 0
options bt87x index=-2
options cx88_alsa index=-2
options saa7134-alsa index=-2
options snd-atiixp-modem index=-2
options snd-intel8x0m index=-2
options snd-via82xx-modem index=-2
options snd-usb-audio index=-2
options snd-usb-caiaq index=-2
options snd-usb-ua101 index=-2
options snd-usb-us122l index=-2
options snd-usb-usx2y index=-2
# Ubuntu #62691, enable MPU for snd-cmipci
options snd-cmipci mpu_port=0x330 fm_port=0x388
# Keep snd-pcsp from being loaded as first soundcard
options snd-pcsp index=-2
# Keep snd-usb-audio from beeing loaded as first soundcard
options snd-usb-audio index=-2

sudo lspci -knn | grep Audio -A3
[sudo] password for kang:
00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d70] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP HD Audio [17aa:380c]
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23] (rev 21)

uname -r
5.4.0-37-generic

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https://bugs.launchpad.net/bugs/1871435

Title:
  Ubuntu doesnt work microphone built and external. In facebook cant
  video call cuz no microphone.

Status in pavucontrol package in Ubuntu:
  New

Bug description:
  Ubuntu doesnt work microphone built and external. In facebook cant
  video call cuz no microphone.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: pavucontrol 4.0-1build1
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu24
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Tue Apr  7 18:38:15 2020
  InstallationDate: Installed on 2020-03-10 (28 days ago)
  InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200310)
  SourcePackage: pavucontrol
  UpgradeStatus: No upgrade log present (probably fresh install)

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