wavecom: implement custom flow control handling

plugins/wavecom/mm-broadband-modem-wavecom.c

@@ -36,6 +36,31 @@ static void iface_modem_init (MMIfaceModem *iface);
 G_DEFINE_TYPE_EXTENDED (MMBroadbandModemWavecom, mm_broadband_modem_wavecom, MM_TYPE_BROADBAND_MODEM, 0,
                         G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM, iface_modem_init))
 
+/*****************************************************************************/
+/* Flow control (Modem interface) */
+
+static gboolean
+setup_flow_control_finish (MMIfaceModem *self,
+                           GAsyncResult *res,
+                           GError **error)
+{
+    return !!mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, error);
+}
+
+static void
+setup_flow_control (MMIfaceModem *self,
+                    GAsyncReadyCallback callback,
+                    gpointer user_data)
+{
+    /* Wavecom doesn't have XOFF/XON flow control, so we enable RTS/CTS */
+    mm_base_modem_at_command (MM_BASE_MODEM (self),
+                              "+IFC=2,2",
+                              3,
+                              FALSE,
+                              callback,
+                              user_data);
+}
+
 /*****************************************************************************/
 /* Modem power down (Modem interface) */
 
@@ -54,13 +79,12 @@ modem_power_down (MMIfaceModem *self,
 {
     /* Use AT+CFUN=4 for power down. It will stop the RF (IMSI detach), and
      * keeps access to the SIM */
-    mm_base_modem_at_command (
-        MM_BASE_MODEM (self),
-        "+CFUN=4",
-        3,
-        FALSE,
-        callback,
-        user_data);
+    mm_base_modem_at_command (MM_BASE_MODEM (self),
+                              "+CFUN=4",
+                              3,
+                              FALSE,
+                              callback,
+                              user_data);
 }
 
 /*****************************************************************************/
@@ -89,6 +113,8 @@ mm_broadband_modem_wavecom_init (MMBroadbandModemWavecom *self)
 static void
 iface_modem_init (MMIfaceModem *iface)
 {
+    iface->setup_flow_control = setup_flow_control;
+    iface->setup_flow_control_finish = setup_flow_control_finish;
     iface->modem_power_down = modem_power_down;
     iface->modem_power_down_finish = modem_power_down_finish;
 }