> > Hello everyone, > > I am trying to get simultaneous output on the Line Out and Headphones > > outputs of my Intel HD Audio (AsRock Z97 motherboard) chipset and PC > > case. With the default pulseaudio configuration in pavucontrol I can > > choose Analog Stereo Duplex and then select either the "Line Out" or > > "Headphones" port under "Output Devices", but I would like to have > > simultaneous output on both (by having a seperate sink for each). > > > > Here is my alsa-info.sh output, please ignore the NVidia output > > provided by my GPU as I would like to not use it if possible: > ><a href="http://www.alsa-project.org/db/?f=b7e5097f7a899aa5294b147b23cbb877db3b6f3c"> http://www.alsa-project.org/db/?f=b7e5097f7a899aa5294b147b23cbb877db3b6f3c</a> > > And this is what "pacmd list-sinks" says about the Built-In audio sink: > ><a href="http://hastebin.com/bonadehimu"> http://hastebin.com/bonadehimu</a> > > It's not possible to have independent line out and headphone output on > your hardware. There is only one analog device on your card. > > -- The easy way to output same audio to both output is disable drivers auto mute mode and change pulseaudio conf files Simple mixer control 'Auto-Mute Mode',0 Capabilities: enum Items: 'Disabled' 'Enabled' Item0: 'Enabled' <a href="http://www.intel.com/content/www/us/en/support/boards-and-kits/desktop-boards/000007156.html">http://www.intel.com/content/www/us/en/support/boards-and-kits/desktop-boards/000007156.html</a> <a href="https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio.txt">https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio.txt</a> You have to ask Tiwai to enable independent hp for your realtek codec on desktop ( e.g. no internal mic and hda controller support enough SDO) You can specify hint indep_hp=1 by early patching, the driver automatically disable automute when you switch on independent hp switch <a href="https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio-Controls.txt">https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio-Controls.txt</a> Independent HP When this enum control is enabled, the headphone output is routed from an individual stream (the third PCM such as hw:0,2) instead of the primary stream