Why doesn't Fedora 34 switch audio from headphones to speakers?

Question

linux

Headphones are connected to the PC through the system unit (front), and directly to the mat. speaker board (rear). If there are no headphones, the sound goes through the speakers (Line Out):


But it is worth connecting the headphones, and although there is a choice of sound playback device, nothing but the headphones works:

Answer 1

sudo alsamixerAutomute - Disabled

Answer 2

https://extensions.gnome.org/extension/906/sound-o...