@LinuxDriversPlease , since you just received your new XPS and the driver is not working, I just try to point you to the right direction. To get Dell support, click on Get Help Now and verify your warranty info to see if you are eligible. Then you must follow instructions and work with Dell support agent before they provide any needed support.
This is user to user base community and Dell support will not be able assist you by posting here.
this is commonly known issue for this model and the bug fix is ready but cannot be released because of another bug in firmware. Unfortunately Dell still not resolved this even if the community provided all needed data. below is thread where you can find more information:
Chino de Oro
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Posted November 26th, 2023 05:58
Click on Get Help Now button for a live chat and you will be arranged to go through troubleshooting speakers issue with Dell Support.