[pulseaudio-discuss] Splitting ALSA card ports into seperate Sinks

[S0lll0s]

On Sat Apr 2 18:25:37 UTC 2016 Tanu wrote:
>On Sat, 2016-04-02 at 19:55 +0200, S0lll0s wrote:
>> 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.
>
>--
>Tanu

Except that it works perfectly fine under windows with the 
motherboard's Realtek HD audio drivers. It might be a driver limitation 
but certainly not a hardware one.