This is a note to let you know that I've just added the patch titled Revert "ALSA: usb-audio: Drop superfluous interface setup at parsing" to the 6.1-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: revert-alsa-usb-audio-drop-superfluous-interface-setup-at-parsing.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 16f1f838442dc6430d32d51ddda347b8421ec34b Mon Sep 17 00:00:00 2001 From: Takashi Iwai <tiwai@xxxxxxx> Date: Wed, 4 Jan 2023 16:09:44 +0100 Subject: Revert "ALSA: usb-audio: Drop superfluous interface setup at parsing" From: Takashi Iwai <tiwai@xxxxxxx> commit 16f1f838442dc6430d32d51ddda347b8421ec34b upstream. This reverts commit ac5e2fb425e1121ceef2b9d1b3ffccc195d55707. The commit caused a regression on Behringer UMC404HD (and likely others). As the change was meant only as a minor optimization, it's better to revert it to address the regression. Reported-and-tested-by: Michael Ralston <michael@xxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/CAC2975JXkS1A5Tj9b02G_sy25ZWN-ys+tc9wmkoS=qPgKCogSg@xxxxxxxxxxxxxx Link: https://lore.kernel.org/r/20230104150944.24918-1-tiwai@xxxxxxx Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/usb/stream.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -1222,6 +1222,12 @@ static int __snd_usb_parse_audio_interfa if (err < 0) return err; } + + /* try to set the interface... */ + usb_set_interface(chip->dev, iface_no, 0); + snd_usb_init_pitch(chip, fp); + snd_usb_init_sample_rate(chip, fp, fp->rate_max); + usb_set_interface(chip->dev, iface_no, altno); } return 0; } Patches currently in stable-queue which might be from tiwai@xxxxxxx are queue-6.1/alsa-control-led-use-strscpy-in-set_led_id.patch queue-6.1/alsa-hda-realtek-turn-on-power-early.patch queue-6.1/revert-alsa-usb-audio-drop-superfluous-interface-setup-at-parsing.patch queue-6.1/alsa-hda-realtek-enable-mute-micmute-leds-on-hp-spectre-x360-13-aw0xxx.patch queue-6.1/alsa-usb-audio-always-initialize-fixed_rate-in-snd_usb_find_implicit_fb_sync_format.patch