[media] mn88473: Panasonic MN88473 DVB-T/T2/C demod driver

Only DVB-C is implemented.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-frontends/mn88473.h

@@ -0,0 +1,46 @@
+/*
+ * Panasonic MN88473 DVB-T/T2/C demodulator driver
+ *
+ * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
+ *
+ *    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.
+ */
+
+#ifndef MN88473_H
+#define MN88473_H
+
+#include <linux/dvb/frontend.h>
+
+struct mn88473_config {
+	/*
+	 * max bytes I2C client could write
+	 * Value must be set.
+	 */
+	int i2c_wr_max;
+};
+
+#if IS_ENABLED(CONFIG_DVB_MN88473)
+extern struct dvb_frontend *mn88473_attach(
+	const struct mn88473_config *cfg,
+	struct i2c_adapter *i2c
+);
+#else
+static inline struct dvb_frontend *mn88473_attach(
+	const struct mn88473_config *cfg,
+	struct i2c_adapter *i2c
+)
+{
+	dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+#endif