Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/kernel/drivers/media/tuners/mt2131.h b/kernel/drivers/media/tuners/mt2131.h
new file mode 100644
index 000000000..8267a6ae5
--- /dev/null
+++ b/kernel/drivers/media/tuners/mt2131.h
@@ -0,0 +1,49 @@
+/*
+ *  Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
+ *
+ *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __MT2131_H__
+#define __MT2131_H__
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+struct mt2131_config {
+	u8 i2c_address;
+	u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
+};
+
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2131)
+extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
+					  struct i2c_adapter *i2c,
+					  struct mt2131_config *cfg,
+					  u16 if1);
+#else
+static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
+						 struct i2c_adapter *i2c,
+						 struct mt2131_config *cfg,
+						 u16 if1)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_MEDIA_TUNER_MT2131 */
+
+#endif /* __MT2131_H__ */