+/**
+ * Sampling rate control
+ * $WIZ$ wm8731_sample_rate = "WM8731_NORMAL_256FS_48KHZ", "WM8731_NORMAL_256FS_44_1KHZ", "WM8731_NORMAL_384FS_44_1KHZ"
+ */
+#define WM8731_NORMAL_256FS_48KHZ 0
+#define WM8731_NORMAL_256FS_44_1KHZ 0x20
+#define WM8731_NORMAL_384FS_44_1KHZ 0x22
+#define WM8731_NORMAL_128FS_44_1KHZ 0x3E