+/*
+ * WM8903_GPn_FN values
+ *
+ * See datasheets for list of valid values per pin
+ */
+#define WM8903_GPn_FN_GPIO_OUTPUT 0
+#define WM8903_GPn_FN_BCLK 1
+#define WM8903_GPn_FN_IRQ_OUTPT 2
+#define WM8903_GPn_FN_GPIO_INPUT 3
+#define WM8903_GPn_FN_MICBIAS_CURRENT_DETECT 4
+#define WM8903_GPn_FN_MICBIAS_SHORT_DETECT 5
+#define WM8903_GPn_FN_DMIC_LR_CLK_OUTPUT 6
+#define WM8903_GPn_FN_FLL_LOCK_OUTPUT 8
+#define WM8903_GPn_FN_FLL_CLOCK_OUTPUT 9
+