diff -drupN a/sound/soc/sunxi/spdif-utils.c b/sound/soc/sunxi/spdif-utils.c
--- a/sound/soc/sunxi/spdif-utils.c	1970-01-01 03:00:00.000000000 +0300
+++ b/sound/soc/sunxi/spdif-utils.c	2022-06-12 05:28:14.000000000 +0300
@@ -0,0 +1,79 @@
+/*
+ * ALSA SoC SPDIF DIT driver
+ *
+ *  This driver is used by controllers which can operate in DIT (SPDI/F) where
+ *  no codec is needed.  This file provides stub codec that can be used
+ *  in these configurations. TI DaVinci Audio controller uses this driver.
+ *
+ * Author:      Steve Chen,  <schen@mvista.com>
+ * Copyright:   (C) 2009 MontaVista Software, Inc., <source@mvista.com>
+ * Copyright:   (C) 2009  Texas Instruments, India
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/slab.h>
+#include <sound/soc.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+
+#define DRV_NAME "spdif-utils"
+
+#define STUB_RATES	(SNDRV_PCM_RATE_8000_192000 | SNDRV_PCM_RATE_KNOT)
+#define STUB_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \
+			SNDRV_PCM_FMTBIT_S20_3LE | \
+			SNDRV_PCM_FMTBIT_S24_LE | \
+			SNDRV_PCM_FMTBIT_S32_LE | \
+			SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
+
+static struct snd_soc_codec_driver soc_codec_spdif_utils;
+
+static struct snd_soc_dai_driver spdif_stub_dai = {
+	.name		= "spdif-hifi",
+	.playback	= {
+		.stream_name	= "Playback",
+		.channels_min	= 1,
+		.channels_max	= 384,
+		.rates		= STUB_RATES,
+		.formats	= STUB_FORMATS,
+	},
+	.capture	= {
+		.stream_name	= "Capture",
+		.channels_min	= 1,
+		.channels_max	= 384,
+		.rates		= STUB_RATES,
+		.formats	= STUB_FORMATS,
+	},
+};
+
+static int spdif_utils_probe(struct platform_device *pdev)
+{
+	return snd_soc_register_codec(&pdev->dev, &soc_codec_spdif_utils,
+			&spdif_stub_dai, 1);
+}
+
+static int spdif_utils_remove(struct platform_device *pdev)
+{
+	snd_soc_unregister_codec(&pdev->dev);
+	return 0;
+}
+
+static struct platform_driver spdif_utils_driver = {
+	.probe		= spdif_utils_probe,
+	.remove		= spdif_utils_remove,
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+module_platform_driver(spdif_utils_driver);
+
+MODULE_AUTHOR("Steve Chen <schen@mvista.com>");
+MODULE_DESCRIPTION("SPDIF dummy codec driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);