[pulseaudio-discuss] [RFC PATCH 4/4] switch-on-connect: Do not ignore HDMI sinks

[João Paulo Rechi Vita]

On Thu, Nov 22, 2018 at 1:30 AM Tanu Kaskinen <tanuk at iki.fi> wrote:
>
> On Wed, 2018-11-21 at 11:44 -0800, João Paulo Rechi Vita wrote:
> > On Tue, Oct 9, 2018 at 2:35 AM Tanu Kaskinen <tanuk at iki.fi> wrote:
> > > On Tue, 2018-08-07 at 22:00 -0700, João Paulo Rechi Vita wrote:
> > > > HDMI ports are normally present on cards connected to an internal bus,
> > > > and module-switch-on-connect should switch to them when a HDMI monitor
> > > > is plugged.
> > > >
> > > > This is specially relevant on setups where the HDMI port of a machine is
> > > > connected to a different audio card then the analog outputs, which is
> > > > the case for machines with AMD graphics cards.
> > >
> > > As I mentioned in an earlier mail, it's not generally a good idea to
> > > switch to HDMI automatically, due to the possible lack of speakers on
> > > the monitor, so do you really want to do this chage? I'm fine with this
> > > patch, though, because if the decision to switch to a HDMI profile has
> > > already been made, it's pretty logical to switch output to it in
> > > module-switch-on-connect.
> > >
> >
> > I see your point and I understand the implications. We recently
> > checked the behavior on Windows and it always switches the audio to
> > HDMI no matter what (even with headphones connected), so that tends to
> > be the expectation from OEMs. We may change our mind at some point,
> > but for now we are sticking with that policy downstream. Ideally all
> > the changes we are making to support this case will be generic enough
> > that they make sense upstream as well and we only have a small
> > downstream patch set changing the ports / profiles priorities.
> >
> > As you mentioned, when this code runs the decision to switch the card
> > profile to HDMI has already been made. But on setups where one card
> > has the analog ports and another card has only HDMI ports, the HDMI
> > card will always switch to a HDMI profile when HDMI is connected, and
> > (unless I'm missing something) the streams will be moved over to the
> > HDMI sink.
> >
> > Let me know if the above comment makes sense, and if you still want to
> > have this patch upstream, in which case I can re-send it as a MR.
>
> No need to re-send, I pushed this now :)
>

Thanks!

--
João Paulo Rechi Vita
http://about.me/jprvita