Yes, I tried this on 6.5.0-18 as well, getting the same issue. This is a
new laptop so I tried ubuntu 22.04 and 24.04 both having same issue. So
I checked with windows it's working fine no issue there.

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https://bugs.launchpad.net/bugs/2077659

Title:
  Internal microphone not working after resume from suspend

Status in linux-signed-hwe-6.8 package in Ubuntu:
  New

Bug description:
  On my ThinkPad running Ubuntu, the internal microphone works correctly
  upon system startup. However, after the system resumes from suspend
  mode, the microphone stops picking up audio. Although the microphone
  indicator LED turns on when the microphone volume is lowered, it does
  not pick up any sound.

  Steps to Reproduce:

  1. Start the system and verify that the internal microphone is working 
correctly.
  2. Put the system into suspend mode.
  3. Resume the system from suspend mode.
  4. Attempt to use the microphone (e.g., through an audio recording or call 
application).

  Expected Behavior:
  The internal microphone should continue to function correctly and pick up 
audio after resuming from suspend mode.

  Actual Behavior:
  The internal microphone does not pick up any audio after the system resumes 
from suspend mode. The microphone indicator LED turns on when adjusting the 
volume, but no sound is detected.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-image-6.8.0-40-generic 6.8.0-40.40~22.04.3
  ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
  Uname: Linux 6.8.0-40-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.6
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Aug 23 01:02:40 2024
  InstallationDate: Installed on 2024-08-14 (8 days ago)
  InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64 
(20240220)
  SourcePackage: linux-signed-hwe-6.8
  UpgradeStatus: No upgrade log present (probably fresh install)

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