[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/media/dvb-frontends/isl6421.h b/src/kernel/linux/v4.14/drivers/media/dvb-frontends/isl6421.h
new file mode 100644
index 0000000..4deedde
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/media/dvb-frontends/isl6421.h
@@ -0,0 +1,52 @@
+/*
+ * isl6421.h - driver for lnb supply and control ic ISL6421
+ *
+ * Copyright (C) 2006 Andrew de Quincey
+ * Copyright (C) 2006 Oliver Endriss
+ *
+ * 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.
+ *
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * To obtain the license, point your browser to
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ *
+ * the project's page is at https://linuxtv.org
+ */
+
+#ifndef _ISL6421_H
+#define _ISL6421_H
+
+#include <linux/dvb/frontend.h>
+
+/* system register bits */
+#define ISL6421_OLF1 0x01
+#define ISL6421_EN1 0x02
+#define ISL6421_VSEL1 0x04
+#define ISL6421_LLC1 0x08
+#define ISL6421_ENT1 0x10
+#define ISL6421_ISEL1 0x20
+#define ISL6421_DCL 0x40
+
+#if IS_REACHABLE(CONFIG_DVB_ISL6421)
+/* override_set and override_clear control which system register bits (above) to always set & clear */
+extern struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
+ u8 override_set, u8 override_clear, bool override_tone);
+#else
+static inline struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
+ u8 override_set, u8 override_clear, bool override_tone)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif // CONFIG_DVB_ISL6421
+
+#endif