add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/sound/usb/format.c
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@@ -40,8 +40,12 @@
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 	case UAC_VERSION_1:
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 	default: {
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 		struct uac_format_type_i_discrete_descriptor *fmt = _fmt;
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-		if (format >= 64)
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-			return 0; /* invalid format */
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+		if (format >= 64) {
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+			usb_audio_info(chip,
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+				       "%u:%d: invalid format type 0x%llx is detected, processed as PCM\n",
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+				       fp->iface, fp->altsetting, format);
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+			format = UAC_FORMAT_TYPE_I_PCM;
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+		}
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 		sample_width = fmt->bBitResolution;
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 		sample_bytes = fmt->bSubframeSize;
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 		format = 1ULL << format;
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@@ -415,6 +419,7 @@
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 	case USB_ID(0x0e41, 0x4248): /* Line6 Helix >= fw 2.82 */
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 	case USB_ID(0x0e41, 0x4249): /* Line6 Helix Rack >= fw 2.82 */
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 	case USB_ID(0x0e41, 0x424a): /* Line6 Helix LT >= fw 2.82 */
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+	case USB_ID(0x0e41, 0x424b): /* Line6 Pod Go */
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 	case USB_ID(0x19f7, 0x0011): /* Rode Rodecaster Pro */
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 		return set_fixed_rate(fp, 48000, SNDRV_PCM_RATE_48000);
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 	}