v4.19.13 snapshot.
diff --git a/sound/soc/codecs/ak4535.h b/sound/soc/codecs/ak4535.h
new file mode 100644
index 0000000..402de1d
--- /dev/null
+++ b/sound/soc/codecs/ak4535.h
@@ -0,0 +1,37 @@
+/*
+ * ak4535.h -- AK4535 Soc Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.h
+ *
+ * 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.
+ */
+
+#ifndef _AK4535_H
+#define _AK4535_H
+
+/* AK4535 register space */
+
+#define AK4535_PM1 0x0
+#define AK4535_PM2 0x1
+#define AK4535_SIG1 0x2
+#define AK4535_SIG2 0x3
+#define AK4535_MODE1 0x4
+#define AK4535_MODE2 0x5
+#define AK4535_DAC 0x6
+#define AK4535_MIC 0x7
+#define AK4535_TIMER 0x8
+#define AK4535_ALC1 0x9
+#define AK4535_ALC2 0xa
+#define AK4535_PGA 0xb
+#define AK4535_LATT 0xc
+#define AK4535_RATT 0xd
+#define AK4535_VOL 0xe
+#define AK4535_STATUS 0xf
+
+#endif