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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-12 10:02:03 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-12 10:02:03 -0500
commit82681a318f9f028ea64e61f24bbd9ac535531921 (patch)
tree529b6a5b4fd040fb54b7672b1a224ebd47445876 /sound/usb/usbmidi.c
parent3860c97bd60a4525bb62eb90e3e7d2f02662ac59 (diff)
parent8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff)
[SCSI] Merge branch 'linus'
Conflicts: drivers/message/fusion/mptsas.c fixed up conflict between req->data_len accessors and mptsas driver updates. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'sound/usb/usbmidi.c')
-rw-r--r--sound/usb/usbmidi.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index 26bad373fe6..2fb35cc22a3 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -1778,8 +1778,18 @@ int snd_usb_create_midi_interface(struct snd_usb_audio* chip,
umidi->usb_protocol_ops = &snd_usbmidi_novation_ops;
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
- case QUIRK_MIDI_RAW:
+ case QUIRK_MIDI_FASTLANE:
umidi->usb_protocol_ops = &snd_usbmidi_raw_ops;
+ /*
+ * Interface 1 contains isochronous endpoints, but with the same
+ * numbers as in interface 0. Since it is interface 1 that the
+ * USB core has most recently seen, these descriptors are now
+ * associated with the endpoint numbers. This will foul up our
+ * attempts to submit bulk/interrupt URBs to the endpoints in
+ * interface 0, so we have to make sure that the USB core looks
+ * again at interface 0 by calling usb_set_interface() on it.
+ */
+ usb_set_interface(umidi->chip->dev, 0, 0);
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
case QUIRK_MIDI_EMAGIC: