[PATCH 4.19 068/129] ALSA: usb-audio: Add support for Mythware XA001AU capture and playback interfaces.

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4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: dengxiang <dengxiang@xxxxxxxxxxxx>

commit 788449ae57f4273111b779bbcaad552b67f517d5 upstream.

This patch adds a USB quirk for Mythware XA001AU USB interface.

Signed-off-by: dengxiang <dengxiang@xxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230803024437.370069-1-dengxiang@xxxxxxxxxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 sound/usb/quirks-table.h |   29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3677,5 +3677,34 @@ ALC1220_VB_DESKTOP(0x26ce, 0x0a01), /* A
 		}
 	}
 },
+{
+	/* Advanced modes of the Mythware XA001AU.
+	 * For the standard mode, Mythware XA001AU has ID ffad:a001
+	 */
+	USB_DEVICE_VENDOR_SPEC(0xffad, 0xa001),
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.vendor_name = "Mythware",
+		.product_name = "XA001AU",
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 0,
+				.type = QUIRK_IGNORE_INTERFACE,
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE,
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE,
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
 
 #undef USB_DEVICE_VENDOR_SPEC





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