icera: provide method to check Icera support

plugins/icera/mm-iface-icera.c

@@ -779,6 +779,30 @@ mm_iface_icera_modem_time_load_network_time (MMIfaceModemTime *self,
                               user_data);
 }
 
+/*****************************************************************************/
+/* Check Icera support */
+
+gboolean
+mm_iface_icera_check_support_finish (MMBroadbandModem *self,
+                                     GAsyncResult *res,
+                                     GError **error)
+{
+    return !!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, error);
+}
+
+void
+mm_iface_icera_check_support (MMBroadbandModem *self,
+                              GAsyncReadyCallback callback,
+                              gpointer user_data)
+{
+    mm_base_modem_at_command (MM_BASE_MODEM (self),
+                              "%IPSYS?",
+                              3,
+                              FALSE,
+                              callback,
+                              user_data);
+}
+
 /*****************************************************************************/
 
 static void

plugins/icera/mm-iface-icera.h

@@ -35,6 +35,14 @@ struct _MMIfaceIcera {
 
 GType mm_iface_icera_get_type (void);
 
+
+void     mm_iface_icera_check_support        (MMBroadbandModem *self,
+                                              GAsyncReadyCallback callback,
+                                              gpointer user_data);
+gboolean mm_iface_icera_check_support_finish (MMBroadbandModem *self,
+                                              GAsyncResult *res,
+                                              GError **error);
+
 /*****************************************************************************/
 /* Modem interface specific implementations */