Sound card not detected on Huawei MateBook D15 (Kali Linux 2024.4

What have you tried:

  • Installed Kali Linux 2024.4 on a Huawei MateBook D15 (BOD-WDI9) with AMD Ryzen 5 5500U.
  • Tried installing different kernels to fix no sound output/input except via Bluetooth.
  • Attempted to install linux-generic and kernel 5.15.0-76, but the package was not found.
  • Ran apt update, but encountered repository signature errors (InRelease not signed).
  • Manually tried downloading the kernel, but the link returned a 404 Not Found error.

What is the error:

  • No sound output/input, only Bluetooth works.
  • sudo apt install linux-image-5.15.0-76-genericUnable to locate package
  • wget to download kernel returns 404 Not Found
  • apt updateThe repository ‘Index of /ubuntu jammy InRelease’ is not signed. Updating from such a repository can’t be done securely.

What device is this on:

  • Huawei MateBook D15 (BOD-WDI9)
  • AMD Ryzen 5 5500U
  • Running Kali Linux 2024.4

I suspect your card is installed, but not being used, can you run inxi -A and post back the result.

Im having the same problem and this is the result:
Audio:
Device-1: Intel Lunar Lake-M HD Audio driver: sof-audio-pci-intel-lnl
API: ALSA v: k6.12.13-amd64 status: kernel-api
Server-1: PipeWire v: 1.4.0 status: active

Install the firmware for it;

sudo apt update
sudo apt -y install firmware-sof-signed