This is a note to let you know that I've just added the patch titled ALSA: usb-audio: Apply sample rate quirk to Logitech Connect to the 4.9-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-apply-sample-rate-quirk-to-logitech-connect.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 625bd5a616ceda4840cd28f82e957c8ced394b6a Mon Sep 17 00:00:00 2001 From: Ikjoon Jang <ikjn@xxxxxxxxxxxx> Date: Wed, 24 Mar 2021 18:51:52 +0800 Subject: ALSA: usb-audio: Apply sample rate quirk to Logitech Connect From: Ikjoon Jang <ikjn@xxxxxxxxxxxx> commit 625bd5a616ceda4840cd28f82e957c8ced394b6a upstream. Logitech ConferenceCam Connect is a compound USB device with UVC and UAC. Not 100% reproducible but sometimes it keeps responding STALL to every control transfer once it receives get_freq request. This patch adds 046d:0x084c to a snd_usb_get_sample_rate_quirk list. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203419 Signed-off-by: Ikjoon Jang <ikjn@xxxxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210324105153.2322881-1-ikjn@xxxxxxxxxxxx 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 @@ -1154,6 +1154,7 @@ bool snd_usb_get_sample_rate_quirk(struc case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ case USB_ID(0x2912, 0x30c8): /* Audioengine D1 */ case USB_ID(0x413c, 0xa506): /* Dell AE515 sound bar */ + case USB_ID(0x046d, 0x084c): /* Logitech ConferenceCam Connect */ return true; } return false; Patches currently in stable-queue which might be from ikjn@xxxxxxxxxxxx are queue-4.9/alsa-usb-audio-apply-sample-rate-quirk-to-logitech-connect.patch