Re: LINUX AUDIO FIX FOR HUAWEI AMD LAPTOPS

On 15 August 2026 18:47:06 BST, Walther White <[email protected]>
wrote:
>================================================================================LINUX
>AUDIO FIX FOR HUAWEI AMD LAPTOPS
>================================================================================
>
>Author: Linux Community / Michael Lorentz

Cheers for all this, but may I ask what this has to do with the Linux
kernel? 

Maybe using some sort of blog site to post this is more beneficial?

But who bloody knows, I just popped up to some driver complaining for no
reason to this thing that sounds blatantly like AI.


>Date: July 2026
>Hardware: Huawei MateBook with AMD Ryzen processor (CX11970 audio codec)
>System: Linux Mint / Ubuntu / Other distributions with PipeWire
>
>================================================================================
>STEP-BY-STEP SOLUTION
>================================================================================
>
>PROBLEM DESCRIPTION:
>Audio on built-in laptop speakers does NOT work.
>Audio on headphones connected to the mini-jack DOES work.
>
>================================================================================
>STEP 1: CHECK AUDIO DEVICE STATUS
>================================================================================
>
>Open a terminal and run:
>
>$ pactl list short sinks
>
>If you see "SUSPENDED" status for the speaker device, this confirms the
>problem.
>
>Check if the sound card is detected:
>
>$ aplay -l
>
>You should see a card with the CX11970 codec (or similar).
>
>================================================================================
>STEP 2: IMMEDIATE AUDIO RESTORATION (QUICKEST METHOD)
>================================================================================
>
>Perform a full system restart:
>
>$ sudo reboot
>
>After restart, speaker audio should be restored.
>
>NOTE: If this doesn't work, proceed to Step 3.
>
>================================================================================
>STEP 3: MANUAL FIX (IF RESTART DID NOT HELP)
>================================================================================
>
>Run the following commands in the given order:
>
>$ sudo alsactl init
>$ sudo alsactl store
>$ systemctl --user restart pipewire pipewire-pulse
>$ pactl set-default-sink alsa_output.pci-0000_02_00.6.analog-stereo
>$ pactl set-sink-volume alsa_output.pci-0000_02_00.6.analog-stereo 80%
>
>Test if audio works:
>
>$ speaker-test -t wav -c 2
>
>================================================================================
>STEP 4: CHECK IF SPEAKERS ARE MUTED IN ALSA MIXER
>================================================================================
>
>$ alsamixer
>
>Press F6 and select your sound card (Generic_1 or CX11970).
>
>Check these channels:
>- Master
>- PCM
>- Speaker
>- Headphone
>
>If any shows "MM" (muted), press M on the keyboard to unmute.
>Use the arrow keys to set volume to approximately 80%.
>
>================================================================================
>STEP 5: AUTOMATIC STARTUP SCRIPT
>================================================================================
>
>To automate the fix at every system startup, create a script:
>
>$ mkdir -p ~/bin
>$ nano ~/bin/fix-audio.sh
>
>Paste the following content:
>-----------------------------------------------------------------------------
>#!/bin/bash
># Audio fix script for Huawei AMD
>
>sleep 30
>
># Reset ALSA
>sudo alsactl init 2>/dev/null
>
># Restart PipeWire
>systemctl --user restart pipewire pipewire-pulse 2>/dev/null
>
># Force speaker output
>pactl set-card-profile alsa_card.pci-0000_02_00.6
>output:analog-stereo+input:analog-stereo 2>/dev/null
>pactl set-default-sink alsa_output.pci-0000_02_00.6.analog-stereo
>2>/dev/null
>pactl set-sink-volume alsa_output.pci-0000_02_00.6.analog-stereo 80%
>2>/dev/null
>pactl set-sink-mute alsa_output.pci-0000_02_00.6.analog-stereo 0
>2>/dev/null
>
>echo "$(date) - Audio fixed" >> /tmp/fix-audio.log
>-----------------------------------------------------------------------------
>
>$ chmod +x ~/bin/fix-audio.sh
>
>================================================================================
>STEP 6: ADD SCRIPT TO AUTOSTART
>================================================================================
>
>$ nano ~/.config/autostart/fix-audio.desktop
>
>Paste (replace [USER] with your username):
>-----------------------------------------------------------------------------
>[Desktop Entry]
>Type=Application
>Name=Fix Audio
>Exec=/home/[USER]/bin/fix-audio.sh
>Icon=audio-card
>X-GNOME-Autostart-enabled=true
>-----------------------------------------------------------------------------
>
>================================================================================
>STEP 7: ALLOW SUDO WITHOUT PASSWORD (OPTIONAL)
>================================================================================
>
>To allow the script to run without asking for a password:
>
>$ sudo visudo -f /etc/sudoers.d/fix-audio
>
>Add (replace [USER] with your username):
>-----------------------------------------------------------------------------
>[USER] ALL=(ALL) NOPASSWD: /home/[USER]/bin/fix-audio.sh
>-----------------------------------------------------------------------------
>
>================================================================================
>STEP 8: DESKTOP SHORTCUT FOR QUICK FIX
>================================================================================
>
>Create a desktop shortcut to fix audio with one click:
>
>$ nano ~/Desktop/Fix-Audio.desktop
>
>Paste:
>-----------------------------------------------------------------------------
>[Desktop Entry]
>Type=Application
>Name=Fix Audio
>Exec=gnome-terminal -- bash -c "sudo alsactl init; systemctl --user
>restart pipewire pipewire-pulse; pactl set-default-sink
>alsa_output.pci-0000_02_00.6.analog-stereo; pactl set-sink-volume
>alsa_output.pci-0000_02_00.6.analog-stereo 80%; echo 'Audio fixed!'; read
>-p 'Press Enter'"
>Icon=audio-card
>Terminal=true
>-----------------------------------------------------------------------------
>
>$ chmod +x ~/Desktop/Fix-Audio.desktop
>
>================================================================================
>STEP 9: RESET PIPEWIRE CONFIGURATION (IF OTHER METHODS FAIL)
>================================================================================
>
>If none of the above methods work, perform a full PipeWire reset:
>
>$ systemctl --user stop pipewire pipewire-pulse
>$ rm -rf ~/.config/pipewire
>$ rm -rf ~/.config/pulse
>$ rm -rf ~/.local/state/wireplumber
>$ rm -rf ~/.cache/pipewire
>$ systemctl --user start pipewire pipewire-pulse
>
>Then repeat Step 3.
>
>================================================================================
>STEP 10: INSTALL PAVUCONTROL (GRAPHICAL AUDIO MANAGEMENT TOOL)
>================================================================================
>
>$ sudo apt install pavucontrol
>
>Run:
>$ pavucontrol
>
>Go to the "Output Devices" tab:
>- Find the CX11970 device (or similar)
>- Click the green checkmark (Set as default)
>- In the "Port" dropdown, select "Speaker" instead of "Headphones"
>
>================================================================================
>DIAGNOSTICS - HOW TO CHECK WHAT'S WRONG
>================================================================================
>
>Check if the sound card is detected:
>$ aplay -l
>
>Check device status:
>$ pactl list short sinks
>
>Check available ports:
>$ pactl list cards | grep -A 20 "CX11970"
>
>Check kernel logs:
>$ dmesg | grep -i "snd\|audio\|hda"
>
>Check loaded modules:
>$ lsmod | grep snd
>
>================================================================================
>COMPARING "GOOD" AND "BAD" STATES
>================================================================================
>
>Save "good" state (when audio works):
>$ sudo cp -r /etc/modprobe.d /tmp/modprobe.d.good
>$ sudo cp -r /etc/modules-load.d /tmp/modules-load.d.good
>$ sudo cp -r /etc/pulse /tmp/pulse-system.good
>$ sudo cp -r /usr/share/pipewire /tmp/pipewire-share.good
>$ lsmod | grep snd > /tmp/snd-modules.good
>
>Save "bad" state (when audio does NOT work):
>$ sudo cp -r /etc/modprobe.d /tmp/modprobe.d.bad
>$ sudo cp -r /etc/modules-load.d /tmp/modules-load.d.bad
>$ sudo cp -r /etc/pulse /tmp/pulse-system.bad
>$ sudo cp -r /usr/share/pipewire /tmp/pipewire-share.bad
>$ lsmod | grep snd > /tmp/snd-modules.bad
>
>Compare states:
>$ diff -r /tmp/modprobe.d.good /tmp/modprobe.d.bad
>$ diff -r /tmp/modules-load.d.good /tmp/modules-load.d.bad
>$ diff -r /tmp/pulse-system.good /tmp/pulse-system.bad
>$ diff -r /tmp/pipewire-share.good /tmp/pipewire-share.bad
>$ diff /tmp/snd-modules.good /tmp/snd-modules.bad
>
>If diff shows no differences - the problem is in hardware registers.
>
>================================================================================
>WHAT DOES NOT WORK - WHAT NOT TO TRY
>================================================================================
>
>The following solutions have been tested and failed:
>
>| Method | Why It Failed |
>|--------|---------------|
>| Cron @reboot with delay | Runs too early |
>| Systemd service after sound.target | Runs before BIOS state is fully
>applied |
>| Disabling suspend in WirePlumber | Does not address hardware register
>state |
>| Blacklisting ACP modules | Does not reset hardware state |
>| Kernel parameters | Cannot override hardware register state |
>| Watchdog scripts | BIOS does not create configuration files |
>
>================================================================================
>ADDITIONAL INFORMATION - ROOT CAUSE OF THE PROBLEM
>================================================================================
>
>The problem occurs because BIOS/UEFI during initialization writes the
>audio
>controller state to hardware registers. Linux reads this state and applies
>it,
>which causes speakers to be marked as "unavailable."
>
>The state is stored in HARDWARE REGISTERS which:
>- Are not accessible via software tools
>- Are only reset during a full POST (Power-On Self-Test)
>- Are not dependent on configuration files
>
>This is why software solutions (scripts, file modifications) cannot fix
>the
>problem if the cause is in the hardware registers.
>
>================================================================================
>SUMMARY - MOST EFFECTIVE SOLUTIONS
>================================================================================
>
>1. SYSTEM RESTART - always restores audio
>   $ sudo reboot
>
>2. MANUAL FIX - when restart doesn't help
>   $ sudo alsactl init
>   $ systemctl --user restart pipewire pipewire-pulse
>   $ pactl set-default-sink alsa_output.pci-0000_02_00.6.analog-stereo
>
>3. STARTUP SCRIPT - automate the fix
>   Create ~/bin/fix-audio.sh and add to autostart
>
>4. DESKTOP SHORTCUT - one-click quick fix
>
>================================================================================
>IMPORTANT NOTE - THE F12 / F2 BIOS ISSUE
>================================================================================
>
>During extensive testing, a critical discovery was made regarding how the
>problem is triggered:
>
>| BIOS Entry Method | Effect on Audio |
>|-------------------|-----------------|
>| F12 (boot device selection menu) | ❌ Speaker audio STOPS WORKING |
>| F2 (BIOS configuration / boot order) | ✅ Audio remains INTACT |
>
>THIS MEANS:
>- Entering BIOS itself is NOT the problem
>- The problem is the SPECIFIC hardware initialization mechanism used by F12
>- If you need to change boot settings - use F2, not F12
>
>HOW THIS WORKS:
>1. BIOS/UEFI via F12 initializes the audio controller in a specific mode
>2. This state is written to hardware registers
>3. Linux reads and applies this state
>4. The state causes speakers to be marked as "unavailable"
>5. The system defaults to headphones as output
>
>RECOMMENDATION:
>- Avoid using F12 (boot menu) unless absolutely necessary
>- Use F2 (BIOS configuration) to change boot order
>- If you must use F12, perform a full restart without entering BIOS afterward
>
>================================================================================
>END OF REPORT
>================================================================================


Thanks!