This is a note to let you know that I've just added the patch titled
ALSA: usb-audio: Don't attempt to get Microsoft Lifecam Cinema sample rate
to the 4.0-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-usb-audio-don-t-attempt-to-get-microsoft-lifecam-cinema-sample-rate.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From eef0342cf32689f77d78ee3302999e5caaa6a8f3 Mon Sep 17 00:00:00 2001
From: Adam Honse <calcprogrammer1@xxxxxxxxx>
Date: Sun, 12 Apr 2015 01:03:07 -0500
Subject: ALSA: usb-audio: Don't attempt to get Microsoft Lifecam Cinema sample rate
From: Adam Honse <calcprogrammer1@xxxxxxxxx>
commit eef0342cf32689f77d78ee3302999e5caaa6a8f3 upstream.
Adds Microsoft LifeCam Cinema USB ID to the snd_usb_get_sample_rate_quirk list as the Lifecam Cinema does not appear to support getting the sample rate.
Fixes the issue where the LifeCam Cinema would wait for USB timeout and log the message "cannot get freq at ep 0x82" when accessed.
Addresses bug report https://bugzilla.kernel.org/show_bug.cgi?id=95961.
Signed-off-by: Adam Honse <calcprogrammer1@xxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/usb/quirks.c | 1 +
1 file changed, 1 insertion(+)
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1115,6 +1115,7 @@ bool snd_usb_get_sample_rate_quirk(struc
{
/* devices which do not support reading the sample rate. */
switch (chip->usb_id) {
+ case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */
case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
return true;
Patches currently in stable-queue which might be from calcprogrammer1@xxxxxxxxx are
queue-4.0/alsa-usb-audio-don-t-attempt-to-get-microsoft-lifecam-cinema-sample-rate.patch
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