This is a note to let you know that I've just added the patch titled ALSA: usb-audio: DJM-750: ensure format is set to the 5.12-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-djm-750-ensure-format-is-set.patch and it can be found in the queue-5.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e7df7df5a3809d733888db6ce6592a644acaac19 Mon Sep 17 00:00:00 2001 From: Olivia Mackintosh <livvy@xxxxxxx> Date: Sun, 18 Apr 2021 17:59:01 +0100 Subject: ALSA: usb-audio: DJM-750: ensure format is set From: Olivia Mackintosh <livvy@xxxxxxx> commit e7df7df5a3809d733888db6ce6592a644acaac19 upstream. Add case statement to set sample-rate for the DJM-750 Pioneer mixer. This was included as part of another patch but I think it has been archived on Patchwork and hasn't been merged. Signed-off-by: Olivia Mackintosh <livvy@xxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210418165901.25776-1-livvy@xxxxxxx 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 @@ -1511,6 +1511,7 @@ void snd_usb_set_format_quirk(struct snd case USB_ID(0x2b73, 0x0013): /* Pioneer DJM-450 */ pioneer_djm_set_format_quirk(subs, 0x0082); break; + case USB_ID(0x08e4, 0x017f): /* Pioneer DJM-750 */ case USB_ID(0x08e4, 0x0163): /* Pioneer DJM-850 */ pioneer_djm_set_format_quirk(subs, 0x0086); break; Patches currently in stable-queue which might be from livvy@xxxxxxx are queue-5.12/alsa-usb-audio-djm-750-ensure-format-is-set.patch