This is a note to let you know that I've just added the patch titled ALSA: usb-audio: add quirk for RODE NT-USB+ to the 5.15-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-add-quirk-for-rode-nt-usb.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 3e3ebc8ac5c58c699a72c93087ca5550b9d4f64d Author: Sean Young <sean@xxxxxxxx> Date: Wed Jan 24 15:15:24 2024 +0000 ALSA: usb-audio: add quirk for RODE NT-USB+ [ Upstream commit 7822baa844a87cbb93308c1032c3d47d4079bb8a ] The RODE NT-USB+ is marketed as a professional usb microphone, however the usb audio interface is a mess: [ 1.130977] usb 1-5: new full-speed USB device number 2 using xhci_hcd [ 1.503906] usb 1-5: config 1 has an invalid interface number: 5 but max is 4 [ 1.503912] usb 1-5: config 1 has no interface number 4 [ 1.519689] usb 1-5: New USB device found, idVendor=19f7, idProduct=0035, bcdDevice= 1.09 [ 1.519695] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1.519697] usb 1-5: Product: RØDE NT-USB+ [ 1.519699] usb 1-5: Manufacturer: RØDE [ 1.519700] usb 1-5: SerialNumber: 1D773A1A [ 8.327495] usb 1-5: 1:1: cannot get freq at ep 0x82 [ 8.344500] usb 1-5: 1:2: cannot get freq at ep 0x82 [ 8.365499] usb 1-5: 2:1: cannot get freq at ep 0x2 Add QUIRK_FLAG_GET_SAMPLE_RATE to work around the broken sample rate get. I have asked Rode support to fix it, but they show no interest. Signed-off-by: Sean Young <sean@xxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20240124151524.23314-1-sean@xxxxxxxx Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 39313db7aed3f..6cd7f77779159 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1900,6 +1900,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_FIXED_RATE), DEVICE_FLG(0x1bcf, 0x2283, /* NexiGo N930AF FHD Webcam */ QUIRK_FLAG_GET_SAMPLE_RATE), + DEVICE_FLG(0x19f7, 0x0035, /* RODE NT-USB+ */ + QUIRK_FLAG_GET_SAMPLE_RATE), /* Vendor matches */ VENDOR_FLG(0x045e, /* MS Lifecam */