tas2781-fix-16IRX8H

A script to fix the audio problems on Legion Pro 7 16IRX8H on Linux. This is a combination of solutions from this thread, with an automatic installer to eliminate manual steps.

Features

• Apply a fix to the TAS2781 chip when pipewire is activated
• Apply the fix when awaking from suspend

Tested on Arch Linux, kernel 6.11, KDE Plasma 6.

Installation

Dependencies

jq and i2c-tools must be installed before applying the fix. Both are supported by mainstream package managers.

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Install

To install, simply run the following command:

curl -s https://raw.githubusercontent.com/DanielWeiner/tas2781-fix-16IRX8H/refs/heads/main/install.sh | bash -s --

Then make sure to reboot your system.

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Uninstall

To uninstall, run:

/usr/local/bin/tas2781-fix --uninstall

Usage

Re-trigger the fix

To re-trigger the fix, restart the service:

systemctl --user restart tas2781-fix.service

Check the status of the fix

To check if the fix was applied, run:

systemctl status tas2781-fix.service

Note that this is the status of the system-level service, which actually executes the fix.

You should see something like this:

● tas2781-fix.service - Run the tas2781-fix script when triggered
     Loaded: loaded (/etc/systemd/system/tas2781-fix.service; static)
     Active: active (exited) since Sat 2024-11-09 12:30:55 CST; 10min ago
 Invocation: a6d6b5bff24549c4a3fa6743420796a7
    Process: 9632 ExecStart=/usr/local/bin/tas2781-fix --execute (code=exited, status=0/SUCCESS)
   Main PID: 9632 (code=exited, status=0/SUCCESS)
   Mem peak: 3.6M
        CPU: 110ms

This indicates that the fix ran and exited successfully.

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Disable the fix

To disable the fix, run:

systemctl --user disable tas2781-fix.service

This might be useful if you want to test that your audio works without the fix.

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Enable the fix after disabling

To enable the fix after disabling, run:

systemctl --user enable --now tas2781-fix.service