add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/sound/usb/quirks-table.h
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@@ -76,6 +76,8 @@
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 { USB_DEVICE_VENDOR_SPEC(0x041e, 0x3f0a) },
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 /* E-Mu 0204 USB */
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 { USB_DEVICE_VENDOR_SPEC(0x041e, 0x3f19) },
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+/* Ktmicro Usb_audio device */
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+{ USB_DEVICE_VENDOR_SPEC(0x31b2, 0x0011) },
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 /*
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  * Creative Technology, Ltd Live! Cam Sync HD [VF0770]
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@@ -3795,6 +3797,35 @@
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 		}
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 	}
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 },
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+{
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+	/* Advanced modes of the Mythware XA001AU.
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+	 * For the standard mode, Mythware XA001AU has ID ffad:a001
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+	 */
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+	USB_DEVICE_VENDOR_SPEC(0xffad, 0xa001),
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+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
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+		.vendor_name = "Mythware",
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+		.product_name = "XA001AU",
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+		.ifnum = QUIRK_ANY_INTERFACE,
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+		.type = QUIRK_COMPOSITE,
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+		.data = (const struct snd_usb_audio_quirk[]) {
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+			{
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+				.ifnum = 0,
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+				.type = QUIRK_IGNORE_INTERFACE,
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+			},
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+			{
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+				.ifnum = 1,
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+				.type = QUIRK_AUDIO_STANDARD_INTERFACE,
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+			},
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+			{
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+				.ifnum = 2,
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+				.type = QUIRK_AUDIO_STANDARD_INTERFACE,
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+			},
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+			{
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+				.ifnum = -1
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+			}
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+		}
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+	}
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+},
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 #undef USB_DEVICE_VENDOR_SPEC
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 #undef USB_AUDIO_DEVICE