>> > 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: >> > > > http://www.alsa-project.org/db/?f=b7e5097f7a899aa5294b147b23cbb877db3b6f3c >> > And this is what "pacmd list-sinks" says about the Built-In audio >> sink: >> > http://hastebin.com/bonadehimu >> >> 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' > > > http://www.intel.com/content/www/us/en/support/boards-and-kits/desktop-boards/000007156.html > > > https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio.txt > > 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 > > > https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio-Controls.txt > > 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 Okay, so following your advice I set up modprobe.d to specify the early-patching files: $ cat /etc/modprobe.d/snd_hda_intel.conf options snd_hda_intel patch=onboard-patch,hdmi-patch and specified the hint in /lib/firmware/onboard-patch: $ cat /lib/firmware/onboard-patch [codec] 0x10ec0892 0x1849d892 0 [hint] indep_hp = 1 this seems to work fine, I can query the card hints and indep_hp shows up: $ cat /sys/class/sound/hwC0D0/hints indep_hp = 1 but pulseaudio still only shows one sink. Do I need to manually load another sink module?