25 Feb
2003
25 Feb
'03
3:33 a.m.
Ivica Bukvic wrote:
I've got a small problem with my Midisport 2x2
MIDI interface. While it worked
ok before, now for some odd reason I cannot get it to open for MIDI output
(from the computer). I've checked the /var/log/messages and this is what I
got:
[...]
It says that the device was opened with 4 input and 0 output ports. Why is
this the case?
It's a bug in ALSA 0.9.0rc7. You could get the current CVS version, or
apply the following patch:
Index: usbmidi.c
===================================================================
RCS file: /cvsroot/alsa/alsa-kernel/usb/usbmidi.c,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -r1.18 -r1.19
--- usbmidi.c 13 Jan 2003 09:50:26 -0000 1.18
+++ usbmidi.c 3 Feb 2003 09:58:14 -0000 1.19
@@ -821,7 +821,7 @@
ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT ||
ms_ep->bDescriptorSubtype != MS_GENERAL)
continue;
- if ((ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) == USB_DIR_OUT) {
+ if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
if (endpoints[epidx].out_ep) {
if (++epidx >= MIDI_MAX_ENDPOINTS) {
printk(KERN_WARNING "snd-usb-midi: too many endpoints\n");
HTH
Clemens