You might want to have a look at these pages (but I am not sure that the necessary information is contained in them ...): Multiple Cards http://alsa.opensrc.org/index.php?page=MultipleCards .asoundrc http://alsa.opensrc.org/index.php?page=.asoundrc Cheers, Andreas ----- Original Message ----- From: "Atte Andr? Jensen" <atte@xxxxxxxxxxxxxx> To: "Linux Audio Users" <linux-audio-user@xxxxxxxxxxxxxxxxxx> Sent: Monday, December 27, 2004 1:21 PM Subject: [linux-audio-user] multiple usb midi devices confusion > Hi > > I got the Audiotrak MIDI-MATE and it works stright out of the box. Great! > > Now the next problem is that my usb devices seem to show up different > depending on the order they are inserted and/or the physical order in > which they are connected to my usb-bus. > > I have: > 2 x Evolution MK-249C usb midi keyboards > 1 x Audiotrak MIDI-MATE usb midi interface > 1 x Edirol UA-1A usb soundcard > 1 x onboard i810 soundcard > > An example of the confusion: > > a) I plug in the devices in this order: Evolutions, Audiotrak, Edirol > and get: > [atte@aarhus ~]$ aconnect -i > client 0: 'System' [type=kernel] > 0 'Timer ' > 1 'Announce ' > client 80: 'Virtual Raw MIDI 2-0' [type=kernel] > 0 'VirMIDI 2-0 ' > client 81: 'Virtual Raw MIDI 2-1' [type=kernel] > 0 'VirMIDI 2-1 ' > client 82: 'Virtual Raw MIDI 2-2' [type=kernel] > 0 'VirMIDI 2-2 ' > client 83: 'Virtual Raw MIDI 2-3' [type=kernel] > 0 'VirMIDI 2-3 ' > client 88: 'MK-249C USB MIDI keyboard - Rawmidi 3' [type=kernel] > 0 'MK-249C USB MIDI keyboard MIDI ' > client 96: 'MK-249C USB MIDI keyboard - Rawmidi 4' [type=kernel] > 0 'MK-249C USB MIDI keyboard MIDI ' > client 104: 'XP MIDI mate - Rawmidi 5' [type=kernel] > 0 'XP MIDI mate MIDI 1' > > b) I plug in in this order: Edirol, Audiotrak, Evolutions and get: > [atte@aarhus ~]$ aconnect -i > client 0: 'System' [type=kernel] > 0 'Timer ' > 1 'Announce ' > client 80: 'Virtual Raw MIDI 2-0' [type=kernel] > 0 'VirMIDI 2-0 ' > client 81: 'Virtual Raw MIDI 2-1' [type=kernel] > 0 'VirMIDI 2-1 ' > client 82: 'Virtual Raw MIDI 2-2' [type=kernel] > 0 'VirMIDI 2-2 ' > client 83: 'Virtual Raw MIDI 2-3' [type=kernel] > 0 'VirMIDI 2-3 ' > client 88: 'XP MIDI mate - Rawmidi 3' [type=kernel] > 0 'XP MIDI mate MIDI 1' > client 96: 'MK-249C USB MIDI keyboard - Rawmidi 4' [type=kernel] > 0 'MK-249C USB MIDI keyboard MIDI ' > client 104: 'MK-249C USB MIDI keyboard - Rawmidi 5' [type=kernel] > 0 'MK-249C USB MIDI keyboard MIDI ' > > c) Same physical order in the hub as b), but now I simply pull out and > reinsert the hub: > [atte@aarhus ~]$ aconnect -i > client 0: 'System' [type=kernel] > 0 'Timer ' > 1 'Announce ' > client 72: 'XP MIDI mate - Rawmidi 1' [type=kernel] > 0 'XP MIDI mate MIDI 1' > client 80: 'Virtual Raw MIDI 2-0' [type=kernel] > 0 'VirMIDI 2-0 ' > client 81: 'Virtual Raw MIDI 2-1' [type=kernel] > 0 'VirMIDI 2-1 ' > client 82: 'Virtual Raw MIDI 2-2' [type=kernel] > 0 'VirMIDI 2-2 ' > client 83: 'Virtual Raw MIDI 2-3' [type=kernel] > 0 'VirMIDI 2-3 ' > client 88: 'MK-249C USB MIDI keyboard - Rawmidi 3' [type=kernel] > 0 'MK-249C USB MIDI keyboard MIDI ' > client 96: 'MK-249C USB MIDI keyboard - Rawmidi 4' [type=kernel] > 0 'MK-249C USB MIDI keyboard MIDI ' > > > How do I control which order devices appear in? I would appreciate an > explanation that I (hopefully) understand over simply "put this in your > /etc/something". > > BTW: I have looked at this before (before getting the Audiotrak) and > although I didn't understand how this list helped me out. So I have the > following (that I modified slightly after trying to solve the confusion > mentioned in this posting): > ------------ > [atte@aarhus ~]$ more ~/.asoundrc > # i810 onboard soundcard > pcm.onboard { > type hw > card 0 > device 0 > } > > # edirol ua-1a audio interface > pcm.usb-audio { > type hw > card 1 > } > > ctl.usb-audio { > type hw > card 1 > } > ------------------ > [atte@aarhus ~]$ more /etc/modutils/alsa > alias char-major-116 snd > alias char-major-14 soundcore > > # i810 > alias sound-service-0-0 snd-mixer-oss > alias sound-service-0-1 snd-seq-oss > alias sound-service-0-3 snd-pcm-oss > alias sound-service-0-8 snd-seq-oss > alias sound-service-0-12 snd-pcm-oss > alias snd-card-0 snd-intel8x0 > alias sound-slot-0 snd-card-0 > > # ua-1a > alias sound-service-1-0 snd-mixer-oss > alias sound-service-1-3 snd-pcm-oss > alias sound-service-1-8 snd-seq-oss > alias sound-service-1-12 snd-pcm-oss > alias snd-card-1 snd-usb-audio > alias sound-slot-1 snd-card-1 > > # virtual midi > alias snd-card-2 snd-virmidi > alias sound-slot-2 snd-card-2 > > #evolution 1 > alias snd-card-3 snd-usb-audio > alias sound-slot-3 snd-card-3 > > #evolution 2 > alias snd-card-4 snd-usb-audio > alias sound-slot-4 snd-card-4 > > #midimate > alias snd-card-5 snd-usb-audio > alias sound-slot-5 snd-card-5 > > options snd-intel8x0 index=0 id=i810 > options snd-usb-audio index=1,3,4,5 vid=0x0582 id=ua-1a > options snd-virmidi index=2 > ------------------- > > Should also mention that this is on debian/unstable with kernel 2.6.9 > and alsa compiled with modules: > [atte@aarhus ~]$ lsmod > Module Size Used by > snd_seq_midi 6176 0 > ndiswrapper 100368 0 > snd_usb_audio 57696 0 > snd_usb_lib 10240 1 snd_usb_audio > snd_intel8x0 27852 1 > snd_ac97_codec 62160 1 snd_intel8x0 > snd_pcm_oss 44456 0 > snd_mixer_oss 16128 2 snd_pcm_oss > snd_pcm 78600 3 snd_usb_audio,snd_intel8x0,snd_pcm_oss > snd_page_alloc 7432 2 snd_intel8x0,snd_pcm > snd_mpu401_uart 5760 1 snd_intel8x0 > snd_virmidi 3012 0 > snd_seq_virmidi 5632 1 snd_virmidi > snd_rawmidi 18980 4 > snd_seq_midi,snd_usb_lib,snd_mpu401_uart,snd_seq_virmidi > snd_seq_midi_event 6016 2 snd_seq_midi,snd_seq_virmidi > snd_seq 44944 3 > snd_seq_midi,snd_seq_virmidi,snd_seq_midi_event > snd_timer 19972 2 snd_pcm,snd_seq > snd_seq_device 6280 3 snd_seq_midi,snd_rawmidi,snd_seq > snd 42980 13 > snd_usb_audio,snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_ mpu401_uart,snd_virmidi,snd_seq_virmidi,snd_rawmidi,snd_seq,snd_timer,snd_seq_de vice > > Thanks in advance for any help! > > -- > peace, love & harmony > Atte > > http://www.atte.dk >
