qcacld-3.0: Add PLD API to send WFC mode to FW

Add PLD API to send WFC(WiFi Calling) mode to WLAN FW.

Change-Id: I4aef58caa93d255233d2412aa6d03017da4b5f10
CRs-Fixed: 3346545

core/pld/inc/pld_common.h

@@ -164,6 +164,16 @@ enum pld_platform_cap_flag {
 	PLD_HAS_DRV_SUPPORT = 0x04,
 };
 
+/**
+ * enum pld_wfc_mode - WFC Mode
+ * @PLD_WFC_MODE_OFF: WFC Inactive
+ * @PLD_WFC_MODE_ON: WFC Active
+ */
+enum pld_wfc_mode {
+	PLD_WFC_MODE_OFF,
+	PLD_WFC_MODE_ON,
+};
+
 /**
  * struct pld_platform_cap - platform capabilities
  * @cap_flag: capabilities flag
@@ -1114,6 +1124,15 @@ int pld_thermal_register(struct device *dev, unsigned long state, int mon_id);
  */
 void pld_thermal_unregister(struct device *dev, int mon_id);
 
+/**
+ * pld_set_wfc_mode() - Sent WFC mode to FW via platform driver
+ * @dev: The device structure
+ * @wfc_mode: WFC Modes (0 => Inactive, 1 => Active)
+ *
+ * Return: Error code on error
+ */
+int pld_set_wfc_mode(struct device *dev, enum pld_wfc_mode wfc_mode);
+
 /**
  * pld_bus_width_type_to_str() - Helper function to convert PLD bandwidth level
  *				 to string