[pulseaudio-discuss] [PATCH] Alsa: Correct port availability with multiple jacks

[Sjoerd Simons]

On Mon, 2014-11-03 at 06:58 +0800, Raymond Yau wrote:
> > My personal use-case is Dock headphone jack vs. built-in headphone jack,
> > but in principle the same could happen with Front headphone jack vs
> > headphone jack (dunno if those can exist in practise).
> >
> 
> There are two cases which headphone jack won't mute the other headphone
> jack when they are at same location
> 1) dual headphone notebook (e.g. Dell XPS series)
> 
> https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=8af3aeb498197f6fdf5acc913ffe8a392cb921c9

Right X220 + dock falls into the case above, there is a headphone jack
on the dock and one on the machine itself. Note that the dock headphone
jack is setup by a pin fixup in the kernel.

-- 
Sjoerd Simons <sjoerd at luon.net>