Hi!
After a bug report on Fedora (https://bugzilla.redhat.com/show_bug.cgi?id=1677353)
---- When I start t he computer I hears a continuous background noise. The problem is also described here: https://wiki.archlinux.org/index.php/Dell_XPS_13_(9360)#Continuous_hissing_s...
I need to issue the command `amixer -c 0 cset 'numid=10' 1` to solve the problem, but every time I reboot the computer I need to run it again. This has been happening for quite some time, but I've been post-poning the bug report.
Current kernel: 4.20.7-200.fc29.x86_64
Alsa information: http://www.alsa-project.org/db/?f=df4834c53335709abb521c767e7b1da2f4371744 ---- They advise me to contact you, to see if we can get a solution on this.
Note: The computer also does not recognise (switch to) when I plug an headset.
If you need more information, I'm eager to help diagnose and help to solve this, but I have no Kernel programming skills, other than that count on me.
Kind regards,
Paulo Fidalgo