Robert, it is the modules built by the CONFIG_SND_SEQUENCER kernel option
snd-seq-device.ko snd-seq.ko snd-seq-midi-event.ko snd-seq-midi.ko
I have rebuilt a kernel with this option, and everything worked fine, I could plug a midi keyboard and it was recognized by alsa
Robert, it is the modules built by the CONFIG_ SND_SEQUENCER kernel option
snd-seq-device.ko snd-seq.ko snd-seq- midi-event. ko snd-seq-midi.ko
I have rebuilt a kernel with this option, and everything worked fine, I could plug a midi keyboard and it was recognized by alsa