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submitted 1 year ago by edinbruh@feddit.it to c/linux@lemmy.ml

When the jack is inserted the internal speakers stop making sound and the only analog out is the jack, as it's common on laptops. But I want to address the two analog output individually so that I can:

  • Still select the speakers when headphones are plugged
  • Have different sounds come from headphones and speaker
  • Mix them with carla or other audio software

My alsa/pipewire settings are all default, I'm on a thinkpad t480s with fedora 38. My sound card is an intel hd audio card, with a realtek ALC257 analog chip.

I tried disabling auto_mute and rising the volume from alsamixer but nothing happens. Then I switching pipewire to "pro audio" but it doesn't separate the analog outputs. I also tried setting the indep_hp hint from hdarackretask but it doesn't change anything.

The hint enables a new "independent hp" option in alsamixer, but it can only be enabled by the cli and it doesn't work either.

I can provide configuration files or other info if needed but since they are all pretty long I didn't include them in the post. Also because I didn't edit them so they are just fedora's default.

Thanks

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[-] nottheengineer@feddit.de 1 points 1 year ago

I'd try to install qpwgraph and see if anything changes when you plug in/unplug the headphones. If not, that means the switching is done by the firmware or the driver itself and not exposed to the OS, so you won't be able to change it.

If you do see change, it'll help you find a solution.

this post was submitted on 22 Aug 2023
36 points (100.0% liked)

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