This bug was fixed in the package linux-firmware -
20240913.gita34e7a5f-0ubuntu2.8
---------------
linux-firmware (20240913.gita34e7a5f-0ubuntu2.8) oracular; urgency=medium
* [SRU] Fix hardware error 0x85 of WCN785x bluetooth (LP: #2107603)
- QCA: Update Bluetooth WCN785x firmware to 2.0.0-00515-2
- QCA: Add Bluetooth nvm files for WCN785x
- WHENCE: qca: add missing version information
- QCA: Update WCN785x btusb firmware to 2.0.0-00790-3
* Left/right audio channels swapped on platforms equips TI TAS2781 Class-D
Amplifier (LP: #2109472)
- ASoC: tas2781: Change regbin firmwares for single device
* [SRU][O/N] Support Wi-fi and Bluetooth for Nvidia DGX Spark Platform (LP:
#2109796)
- mediatek MT7920: update bluetooth firmware to 20250210151502
- mediatek MT7925: update bluetooth firmware to 20250305133215
- linux-firmware: update firmware for MT7925 WiFi device
* Update GuC firmware to v70.44.1 (LP: #2111517)
- xe: Update GUC to v70.44.1 for BMG and LNL
-- Juerg Haefliger <[email protected]> Fri, 30 May 2025
11:07:25 +0200
** Changed in: linux-firmware (Ubuntu Oracular)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2109472
Title:
Left/right audio channels swapped on platforms equips TI TAS2781
Class-D Amplifier
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-firmware source package in Noble:
Fix Released
Status in linux-firmware source package in Oracular:
Fix Released
Status in linux-firmware source package in Plucky:
Fix Released
Status in linux-firmware source package in Questing:
Fix Released
Bug description:
[SRU Justification]
BugLink: https://bugs.launchpad.net/bugs/2109472
[ Impact ]
Left/right audio channels swapped on platforms equips TI TAS2781
Class-D Amplifier.
[ Test Plan ]
1. Open GNOME Settings.
2. Browse to Audio page and test speakers of left and right channels.
3. Expect the speaker of the correct side response to the clicks of different
sides.
[ Where problems could occur ]
This is fixed via firmware updates, and we cannot make sure if there
is other unknown side effect. While this is a follow-up of bug 2098176
that adds support for this new device for a new platform, the affected
is limited to one single device we are testing on.
[ Other Info ]
While the fix has been included in linux-firmware/plucky starting from
version 20250317.git1d4c88ee-0ubuntu1, nominate only Oracular and
Noble.
========== original bug report ==========
[Steps to reproduce]
1. Boot to OS.
2. Test the speakers in gnome-settings.
[Expected result]
The audio channels is on the correct position.
[Actual result]
The audio channels are swapped.
This is a follow-up for bug 2098176.
To manage notifications about this bug go to:
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