1 /*
2  * E3C EC100 demodulator driver
3  *
4  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
5  *
6  *    This program is free software; you can redistribute it and/or modify
7  *    it under the terms of the GNU General Public License as published by
8  *    the Free Software Foundation; either version 2 of the License, or
9  *    (at your option) any later version.
10  *
11  *    This program is distributed in the hope that it will be useful,
12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *    GNU General Public License for more details.
15  *
16  */
17 
18 #ifndef EC100_H
19 #define EC100_H
20 
21 #include <linux/dvb/frontend.h>
22 
23 struct ec100_config {
24 	/* demodulator's I2C address */
25 	u8 demod_address;
26 };
27 
28 
29 #if IS_REACHABLE(CONFIG_DVB_EC100)
30 extern struct dvb_frontend *ec100_attach(const struct ec100_config *config,
31 	struct i2c_adapter *i2c);
32 #else
33 static inline struct dvb_frontend *ec100_attach(
34 	const struct ec100_config *config, struct i2c_adapter *i2c)
35 {
36 	pr_warn("%s: driver disabled by Kconfig\n", __func__);
37 	return NULL;
38 }
39 #endif
40 
41 #endif /* EC100_H */
42