[alsa-devel] Headphones not detected when using Dell Dock WD15

[Takashi Iwai]

On Mon, 08 May 2017 11:34:33 +0200,
Sergio Villar Senin wrote:
> 
> Hi,
> 
> I reported this bug to pulseaudio[1] but after some investigation it
> looks like the alsa mixer is not working for the dock.
> 
> I'll be happy to provide any additional info which might be required
> (attaching alsa-info.sh BTW). Please add me to the Cc as I am not
> subscribed to this list

Did you try to update the dock BIOS?
The old BIOS on some Dell docks had a few known issues.


Takashi