Fixed MTP to work with TWRP

drivers/isdn/gigaset/dummyll.c

@@ -0,0 +1,77 @@
+/*
+ * Dummy LL interface for the Gigaset driver
+ *
+ * Copyright (c) 2009 by Tilman Schmidt <tilman@imap.cc>.
+ *
+ * =====================================================================
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License as
+ *	published by the Free Software Foundation; either version 2 of
+ *	the License, or (at your option) any later version.
+ * =====================================================================
+ */
+
+#include <linux/export.h>
+#include "gigaset.h"
+
+void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
+{
+}
+EXPORT_SYMBOL_GPL(gigaset_skb_sent);
+
+void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb)
+{
+}
+EXPORT_SYMBOL_GPL(gigaset_skb_rcvd);
+
+void gigaset_isdn_rcv_err(struct bc_state *bcs)
+{
+}
+EXPORT_SYMBOL_GPL(gigaset_isdn_rcv_err);
+
+int gigaset_isdn_icall(struct at_state_t *at_state)
+{
+	return ICALL_IGNORE;
+}
+
+void gigaset_isdn_connD(struct bc_state *bcs)
+{
+}
+
+void gigaset_isdn_hupD(struct bc_state *bcs)
+{
+}
+
+void gigaset_isdn_connB(struct bc_state *bcs)
+{
+}
+
+void gigaset_isdn_hupB(struct bc_state *bcs)
+{
+}
+
+void gigaset_isdn_start(struct cardstate *cs)
+{
+}
+
+void gigaset_isdn_stop(struct cardstate *cs)
+{
+}
+
+int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
+{
+	return 0;
+}
+
+void gigaset_isdn_unregdev(struct cardstate *cs)
+{
+}
+
+void gigaset_isdn_regdrv(void)
+{
+	pr_info("no ISDN subsystem interface\n");
+}
+
+void gigaset_isdn_unregdrv(void)
+{
+}