Thank you for trying to help me.
I uninstalled then re-installed with the Method 2 full control.
Then, as you suggested, did:
if your device is on 1 have you tried :
alsactl --file preset_external_jack_microphone_input2 restore 1
It selected the right soundcard, but I still have an error message, same kind of message:
$ alsactl --file preset_external_jack_microphone_input2 restore 1
No state is present for card seeed2micvoicec
alsa-lib main.c:1014:(snd_use_case_mgr_open) error: failed to import hw:1 use case configuration -2
Found hardware: “simple-card” “” “” “” “”
Hardware is initialized using a generic method
No state is present for card seeed2micvoicec
I am using an external Boya lavalier microphone trrs, is it ok? I know this mic is working as I can use it on my smartphone…