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  *    You should have received a copy of the GNU General Public License
17  *    along with this program; if not, write to the Free Software
18  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19  *
20  */
21 
22 #ifndef EC100_H
23 #define EC100_H
24 
25 #include <linux/kconfig.h>
26 #include <linux/dvb/frontend.h>
27 
28 struct ec100_config {
29 	/* demodulator's I2C address */
30 	u8 demod_address;
31 };
32 
33 
34 #if IS_REACHABLE(CONFIG_DVB_EC100)
35 extern struct dvb_frontend *ec100_attach(const struct ec100_config *config,
36 	struct i2c_adapter *i2c);
37 #else
38 static inline struct dvb_frontend *ec100_attach(
39 	const struct ec100_config *config, struct i2c_adapter *i2c)
40 {
41 	pr_warn("%s: driver disabled by Kconfig\n", __func__);
42 	return NULL;
43 }
44 #endif
45 
46 #endif /* EC100_H */
47