File nexus7-hack.patch of Package ModemManager

diff --git a/src/mm-at-serial-port.c b/src/mm-at-serial-port.c
index 4336b03..40dfec2 100644
--- a/src/mm-at-serial-port.c
+++ b/src/mm-at-serial-port.c
@@ -243,14 +243,22 @@ at_command_to_byte_array (const char *command)
     cmdlen = strlen (command);
     buf = g_byte_array_sized_new (cmdlen + 3);
 
-    /* Make sure there's an AT in the front */
-    if (!g_str_has_prefix (command, "AT"))
-        g_byte_array_append (buf, (const guint8 *) "AT", 2);
-    g_byte_array_append (buf, (const guint8 *) command, cmdlen);
-
-    /* Make sure there's a trailing carriage return */
-    if (command[cmdlen - 1] != '\r')
-        g_byte_array_append (buf, (const guint8 *) "\r", 1);
+    if (g_str_has_prefix (command, "D*")) {
+        mm_dbg ("Found dial command D*...: %s", command);
+        mm_dbg ("Applying Nexus 7 specific workaround.");
+        g_byte_array_append (buf, (const guint8 *) "AT+CGDATA=\"PPP\"\r", 16);
+    } else {
+//        mm_dbg ("Not D*: %s", command);
+
+        /* Make sure there's an AT in the front */
+        if (!g_str_has_prefix (command, "AT"))
+            g_byte_array_append (buf, (const guint8 *) "AT", 2);
+        g_byte_array_append (buf, (const guint8 *) command, cmdlen);
+
+        /* Make sure there's a trailing carriage return */
+        if (command[cmdlen - 1] != '\r')
+            g_byte_array_append (buf, (const guint8 *) "\r", 1);
+    }
 
     return buf;
 }