[ 3.5.y.z extended stable ] Patch "ALSA: usb-audio: fix Roland A-PRO support" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Tue Feb 26 16:13:00 UTC 2013

This is a note to let you know that I have just added a patch titled

    ALSA: usb-audio: fix Roland A-PRO support

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:


If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see



>From db67c22fe301e0ebd6f6986594451eb5c4c4d2a1 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens at ladisch.de>
Date: Thu, 31 Jan 2013 21:14:33 +0100
Subject: [PATCH] ALSA: usb-audio: fix Roland A-PRO support

commit 7da58046482fceb17c4a0d4afefd9507ec56de7f upstream.

The quirk for the Roland/Cakewalk A-PRO keyboards accidentally used the
wrong interface number, which prevented the driver from attaching to the

Signed-off-by: Clemens Ladisch <clemens at ladisch.de>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
 sound/usb/quirks-table.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index d73ac9b..128eb0c 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -1658,7 +1658,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
 		/* .vendor_name = "Roland", */
 		/* .product_name = "A-PRO", */
-		.ifnum = 1,
+		.ifnum = 0,
 		.data = & (const struct snd_usb_midi_endpoint_info) {
 			.out_cables = 0x0003,

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