This is a note to let you know that I've just added the patch titled
ALSA: snd-usb: Accept UAC2 FORMAT_TYPE descriptors with
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-snd-usb-accept-uac2-format_type-descriptors-with.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <sta...@kernel.org> know about it.
>From 824818b148db42173446707df4cbd61cd7133272 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clem...@ladisch.de>
Date: Thu, 4 Aug 2011 16:17:42 +0200
Subject: ALSA: snd-usb: Accept UAC2 FORMAT_TYPE descriptors with
bLength > 6
From: Clemens Ladisch <clem...@ladisch.de>
commit 824818b148db42173446707df4cbd61cd7133272 upstream.
The Focusrite Scarlett 18i6 USB has them that way, which is probably a
bug. Anyway, the driver should simply ignore this fact.
Signed-off-by: Daniel Mack <zon...@gmail.com>
Reported-by: Nicolai Krakowiak <nicolai.krakow...@gmail.com>
Signed-off-by: Clemens Ladisch <clem...@ladisch.de>
Signed-off-by: Takashi Iwai <ti...@suse.de>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>
---
sound/usb/endpoint.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -352,7 +352,7 @@ int snd_usb_parse_audio_endpoints(struct
continue;
}
if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) ||
- ((protocol == UAC_VERSION_2) && (fmt->bLength != 6))) {
+ ((protocol == UAC_VERSION_2) && (fmt->bLength < 6))) {
snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE
desc\n",
dev->devnum, iface_no, altno);
continue;
Patches currently in stable-queue which might be from clem...@ladisch.de are
queue-3.0/alsa-snd-usb-operate-on-given-mixer-interface-only.patch
queue-3.0/alsa-snd-usb-accept-uac2-format_type-descriptors-with.patch
queue-3.0/alsa-snd-usb-avoid-dividing-by-zero-on-invalid-input.patch
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