This is a note to let you know that I've just added the patch titled

ALSA: usb-audio: Add native DSD support for TEAC UD-301

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: alsa-usb-audio-add-native-dsd-support-for-teac-ud-301.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@vger.kernel.org know about it.

From b00214865d65100163574ba250008f182cf90869 Mon Sep 17 00:00:00 2001

From: Nobutaka Okabe nob77413@gmail.com Date: Fri, 23 Mar 2018 19:49:44 +0900 Subject: ALSA: usb-audio: Add native DSD support for TEAC UD-301

From: Nobutaka Okabe nob77413@gmail.com

commit b00214865d65100163574ba250008f182cf90869 upstream.

Add native DSD support quirk for TEAC UD-301 DAC, by adding the PID/VID 0644:804a.

Signed-off-by: Nobutaka Okabe nob77413@gmail.com Cc: stable@vger.kernel.org Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- sound/usb/quirks.c | 1 + 1 file changed, 1 insertion(+)

--- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1175,6 +1175,7 @@ static bool is_teac_dsd_dac(unsigned int switch (id) { case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-503/NT-503 */ case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */ + case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */ return true; } return false;

Patches currently in stable-queue which might be from nob77413@gmail.com are

queue-4.9/alsa-usb-audio-add-native-dsd-support-for-teac-ud-301.patch