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

[Tanu Kaskinen]

On Mon, 2014-11-03 at 08:35 +0100, Sjoerd Simons wrote:
> On Sun, 2014-11-02 at 20:18 +0200, Tanu Kaskinen wrote:
> > On Fri, 2014-10-31 at 22:17 +0100, Sjoerd Simons wrote:
> > > On Tue, 2014-10-28 at 12:10 +0200, Tanu Kaskinen wrote:
> > > > On Tue, 2014-10-28 at 05:30 +0100, David Henningsson wrote:
> > > > The use case that this patch is made for seems such that there shouldn't
> > > > be any jack state conflict to worry about in the first place, though. To
> > > > me "dock headphone" and "built-in headphone" seem like obviously
> > > > separate paths, so I think we should reflect that in our configuration
> > > > by creating a new path file.
> > > 
> > > Ah now I remembered why i didn't do that in the end (i started with two
> > > different path files). It's because with the default setup on the X220
> > > you can't mute/disable the two paths seperately. 
> > 
> > What do you mean by "the default setup"? Is there some non-default setup
> > where they can be separately muted?
> 
> By default setup i mean the setup of the card when booting a linux
> kernel without patches or any user pin configuration. Iotw the setup
> most people are running.
> 
> You can make them seperately mute when e.g. reconfiguring the dock
> headphone jack as a line-out (see the patchset i sent this weekend for
> some fixes when that's done) or potentially by changing things around in
> kernel. E.g. either by auto-muting one of the hp's or exposing a control
> for it.

If the hardware supports it, I think it's a kernel bug if the kernel
doesn't expose separate mute controls for both jacks.

-- 
Tanu