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

[Takashi Iwai]

On Tue, 09 May 2017 10:32:19 +0200,
Sergio Villar Senin wrote:
> 
> O Mar, 09-05-2017 ás 08:15 +0200, Takashi Iwai escribiu:
> > 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.
> 
> I tried with a virtual machine but the firmware update program crashes
> for some reason. Anyway the dock seems to be working fine because the
> Windows virtual machine properly detects the headphones when plugged
> in.

Well, it's a USB-audio device and it doesn't give the jack detection
control like HD-audio.


Takashi