https://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/module-udev-detect.c
Can you post output of alsa-info.sh for your usb midi?
udev-detect /switch-on-connect need to skip any usb card without pcm device?
https:/ /cgit.freedeskt op.org/ pulseaudio/ pulseaudio/ tree/src/ modules/ module- udev-detect. c
Can you post output of alsa-info.sh for your usb midi?
udev-detect /switch-on-connect need to skip any usb card without pcm device?