Clemens Ladisch wrote: >Hector Centeno wrote: > > >>ok! I got alsa rebuilt and the keyboard recognized, this is the output >>of amidi when I play some notes: >> >>[root@localhost ~]# amidi -a -d -p hw:2,0,1 >>09 >>90 3C 5F >> 09 >>90 3C 00 >> 09 >>90 3B 5D >> >> > >This is the standard USB MIDI protocol from the USB Audio >specification; the driver already knows how to speak this. > >Please remove the change from usbquirks.h and apply the patch below >(go to the alsa-driver directory and run "patch -p1 < patchfile"); >then everything should work fine. > > >HTH >Clemens > > > > Thank you for all your help. I followed your instructions and applied the patch (I verified the files to be sure the data was inserted), but now the keyboard doesn't get detected at all and no midi port is created. What could be the problem? cheers, Hector