I have a fresh Bullseye installation on a laptop. Sound output is working. But the input is not working. The device is detected.
--8<---------------cut here---------------start------------->8--- $ arecord -l **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC236 Analog [ALC236 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 --8<---------------cut here---------------end--------------->8--- In the gnome settings, input is showing built-in microphone but there is not movement in the capturing indicator. alsamixer is also showing the sound card (F6) - HDA Intel PCH.