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authorFabián Inostroza <soulsonceonfire@gmail.com>2018-04-12 00:37:35 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-24 09:34:16 +0200
commitf93f5adacfd2cd1e4234b5c5fd6316124c728dc0 (patch)
parent9607290a18352cba4a7d015d826c1ce40bdb25bb (diff)
ALSA: line6: Use correct endpoint type for midi output
commit 7ecb46e9ee9af18e304eb9e7d6804c59a408e846 upstream. Sending MIDI messages to a PODxt through the USB connection shows "usb_submit_urb failed" in dmesg and the message is not received by the POD. The error is caused because in the funcion send_midi_async() in midi.c there is a call to usb_sndbulkpipe() for endpoint 3 OUT, but the PODxt USB descriptor shows that this endpoint it's an interrupt endpoint. Patch tested with PODxt only. [ The bug has been present from the very beginning in the staging driver time, but Fixes below points to the commit moving to sound/ directory so that the fix can be cleanly applied -- tiwai ] Fixes: 61864d844c29 ("ALSA: move line6 usb driver into sound/usb") Signed-off-by: Fabián Inostroza <fabianinostroza@udec.cl> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/line6/midi.c b/sound/usb/line6/midi.c
index d0fb2f205bd9..4f4ebe90f1a8 100644
--- a/sound/usb/line6/midi.c
+++ b/sound/usb/line6/midi.c
@@ -125,7 +125,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
usb_fill_int_urb(urb, line6->usbdev,
- usb_sndbulkpipe(line6->usbdev,
+ usb_sndintpipe(line6->usbdev,
transfer_buffer, length, midi_sent, line6,