[PlanetCCRMA] [Fwd: [linux-audio-dev] Re: [linux-audio-user] problems with
Midisport 2x2]
Mark Knecht
markknecht@attbi.com
Wed Mar 12 17:39:01 2003
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Fernando,
When you return from LAD and start looking at the next release of
Alsa on the Planet, I'd really appreciate it if we can ensure that the
MidiSport 2x2 does continue to work.
Thanks,
Mark
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From: Clemens Ladisch <clemens@ladisch.de>
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Subject: [linux-audio-dev] Re: [linux-audio-user] problems with Midisport
2x2
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X-Original-Date: Tue, 25 Feb 2003 08:25:36 +0100 (MET)
Date: Tue, 25 Feb 2003 08:25:36 +0100 (MET)
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
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