This USB-Audio/MIDI-Interface is based on a Yamaha YC706A0 ASIC.

    Signed-off-by: Clemens Koller <[email protected]>

diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index c39f898..d18429a 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -353,6 +353,36 @@ YAMAHA_DEVICE(0x105d, NULL),
                }
        }
 },
+{      /* Support for Yamaha YC706A0 chipset based Steinberg UR22 audio
interface */
+       USB_DEVICE(0x0499, 0x1509),
+       .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+               /* .vendor_name = "Yamaha", */
+               /* .product_name = "Steinberg UR22", */
+               .ifnum = QUIRK_ANY_INTERFACE,
+               .type = QUIRK_COMPOSITE,
+               .data = (const struct snd_usb_audio_quirk[]) {
+                       {
+                               .ifnum = 1,
+                               .type = QUIRK_AUDIO_STANDARD_INTERFACE
+                       },
+                       {
+                               .ifnum = 2,
+                               .type = QUIRK_AUDIO_STANDARD_INTERFACE
+                       },
+                       {
+                               .ifnum = 3,
+                               .type = QUIRK_MIDI_YAMAHA
+                       },
+                       {
+                               .ifnum = 4,
+                               .type = QUIRK_IGNORE_INTERFACE
+                       },
+                       {
+                                .ifnum = -1
+                       }
+               }
+       }
+},
 YAMAHA_DEVICE(0x2000, "DGP-7"),
 YAMAHA_DEVICE(0x2001, "DGP-5"),
 YAMAHA_DEVICE(0x2002, NULL),
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