[pulseaudio-discuss] [BUG?] I get a profile with 2 outputs, but if I mute headphone it mutes both ports

[GMAIL]

After switching to my headphones, I activate the surround sink. This is 
intentional as I want surround and HRTF with my headphones. Still, the 
problem occurs even if this module isn't loaded.

Le 31/10/2015 17:11, Raymond Yau a écrit :
>
>
> > >
> > >  > Desktop
> > >  > Arch Linux
> > >  > PulseAudio 7.1
> > >
> > > Using motherboard embedded sound system.
> > >
> > > _Rear:_ 3 regular jacks: red, green, blue
> > > -> Red jack: Mic connected
> > > -> Green Jack: Main speakers (Stereo)
> > >
> > > _Front:_ 2 regular jacks: Mic and Headphones
> > >
> > > Also, monitors speakers connected through HDMI to NVIDIA GTX 780.
> > >
> > > _*Goal:*_ This may not be straight forward from the title but I want
> > > to
> > > be able to listen to my headphones *only*. Currently, this is not
> > > possible unless I turn off my speakers.
> > >
> > > _*Initial situation: *__*
> > > *_
> > > Sound goes through speakers only, all good.
> > >
> > > _*What I do:
> > >
> > > *_I plug in my headphones.
> > >
> > > Sound goes through speakers only, all good.
> > >
> > > I go into PAVU, switch from "Line Out" to my headphones in front of
> > > "Port" under the MOBO sink name in "Output Devices".
> > >
> > > _*What happens:*_
> > >
> > > The sound now goes through BOTH my speakers AND my headphones while I
> > > expect it to be output only to my headphones.
> > >
> > > _*What I try:*_
> > >
> > > I switch back to Line Out port.
> > >
> > > Sound goes through speakers only, all good.
> > >
> > > I mute Line Out port. It mutes instantly, all good.
> > >
> > > I switch again to my headphones: Sound goes through *BOTH* my
> > > speakers
> > > *AND* my headphones**again.
> > >
> > > I switch back to the Line Out port: it is still muted, no sound from
> > > either speakers or headphones.
> > >
> > > I switch to my headphones: faulty behaviour continues, sound through
> > > all
> > > ports, speakers and headphones alike.
> > >
> > > I switch back to Line Out port and unmute it: sound goes through the
> > > speakers only, normal.
> > >
> > > I switch to the headphones: sound output through both speakers and
> > > headphones.
> > >
> > > I mute the headphones port: no sound through either the speakers or
> > > the
> > > headphones. Both ports are muted.
> > >
> > > _*Questions:*_
> > >
> > > Is this expected behaviour?
> > >
> > > How do I have the sound go through the selected port ONLY?
> > >
> > > Thanks in advance for your help.
> >
> > I suspect that the "Front" volume and mute elements can be used to
> > control the line out without affecting the headphones. The problem is
> > that PulseAudio's alsa configuration assumes that the "Front" element
> > affects both line out and headphones (there's a comment saying that "on
> > some machines Front is actually a part of the Headphone path").
> >
> > /usr/share/pulseaudio/alsa-mixer/paths/analog-output-headphones.conf
> > contains this:
> >
> >     [Element Front]
> >     switch = mute
> >     volume = zero
> >
> > If you change that to
> >
> >     [Element Front]
> >     switch = off
> >     volume = off
> >
> > does that fix the problem for you?
>
> Default sink name: 
> alsa_output.pci-0000_00_1b.0.analog-stereo.vsurroundsink
> Default source name: alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor
>
> Any reason for you to use vsurroumdsink?
>