This bug was fixed in the package linux-firmware -
20220329.git681281e4-0ubuntu3.40
---------------
linux-firmware (20220329.git681281e4-0ubuntu3.40) jammy; urgency=medium
* Fix low volume issue on left speaker on Dell Oasis series (LP: #2119494)
- linux-firmware: Add firmware for Cirrus CS35L41 on HP Consumer Laptops
- linux-firmware: Add tuning parameter configs for CS35L41 Firmware
- cirrus: cs35l41: Add Firmware for various HP Laptops using CS35L41 HDA
- cirrus: cs35l41: Update Firmware for Dell Oasis
-- Juerg Haefliger <[email protected]> Thu, 18 Sep 2025
09:56:34 +0200
** Changed in: linux-firmware (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2119494
Title:
Fix low volume issue on left speaker on Dell Oasis series
Status in HWE Next:
New
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-firmware source package in Jammy:
Fix Released
Status in linux-firmware source package in Noble:
Fix Released
Status in linux-oem-6.14 source package in Noble:
Invalid
Status in linux-firmware source package in Plucky:
Fix Released
Status in linux-oem-6.14 source package in Plucky:
Invalid
Status in linux-firmware source package in Questing:
Fix Released
Status in linux-oem-6.14 source package in Questing:
Invalid
Bug description:
[Impact]
Dell Oasis laptops come with Cirrus smart amplifier have lower volume issue
on left speaker. It needs the updated tuning files in linux-firmware.
[Fix]
Backport the fix from 28964e023a39 ("cirrus: cs35l41: Update Firmware for
Dell Oasis") on linux-firmware.
[Test Case]
1. Boot up the Dell Oasis laptops.
2. Open settings->Sound->Output Device
3. Click test icon to separately test the left and right speaker
4. Verify the sound output volume by ear from left speaker and right speaker.
[Where problems could occur]
It updated tuning files for specific Dell Oasis platforms by SSIDs. No
regression expected at the current stage.
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