intel: custom setup for all available AT ports

Fully disable send delay as we're using AT ports via the new WWAN subsystem.

plugins/intel/mm-broadband-modem-mbim-intel.c

@@ -41,6 +41,35 @@ G_DEFINE_TYPE_EXTENDED (MMBroadbandModemMbimIntel, mm_broadband_modem_mbim_intel
 
 /*****************************************************************************/
 
+static void
+setup_ports (MMBroadbandModem *self)
+{
+    MMPortSerialAt *ports[3];
+    guint           i;
+
+    /* Run the shared XMM port setup logic */
+    mm_shared_xmm_setup_ports (self);
+
+    ports[0] = mm_base_modem_peek_port_primary (MM_BASE_MODEM (self));
+    ports[1] = mm_base_modem_peek_port_secondary (MM_BASE_MODEM (self));
+
+    /* GNSS control port may or may not be a primary/secondary port */
+    ports[2] = mm_base_modem_peek_port_gps_control (MM_BASE_MODEM (self));
+    if (ports[2] && ((ports[2] == ports[0]) || (ports[2] == ports[1])))
+        ports[2] = NULL;
+
+    for (i = 0; i < G_N_ELEMENTS (ports); i++) {
+        if (!ports[i])
+            continue;
+
+        g_object_set (ports[i],
+                      MM_PORT_SERIAL_SEND_DELAY, (guint64) 0,
+                      NULL);
+    }
+}
+
+/*****************************************************************************/
+
 MMBroadbandModemMbimIntel *
 mm_broadband_modem_mbim_intel_new (const gchar  *device,
                                    const gchar **drivers,
@@ -112,5 +141,5 @@ mm_broadband_modem_mbim_intel_class_init (MMBroadbandModemMbimIntelClass *klass)
 {
     MMBroadbandModemClass *broadband_modem_class = MM_BROADBAND_MODEM_CLASS (klass);
 
-    broadband_modem_class->setup_ports = mm_shared_xmm_setup_ports;
+    broadband_modem_class->setup_ports = setup_ports;
 }