xref: /linux/drivers/media/dvb-frontends/lgs8gl5.h (revision bfd5bb6f90af092aa345b15cd78143956a13c2a8)
1 /*
2     Legend Silicon LGS-8GL5 DMB-TH OFDM demodulator driver
3 
4     Copyright (C) 2008 Sirius International (Hong Kong) Limited
5 	Timothy Lee <timothy.lee@siriushk.com>
6 
7     This program is free software; you can redistribute it and/or modify
8     it under the terms of the GNU General Public License as published by
9     the Free Software Foundation; either version 2 of the License, or
10     (at your option) any later version.
11 
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15     GNU General Public License for more details.
16 
17     You should have received a copy of the GNU General Public License
18     along with this program; if not, write to the Free Software
19     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 
21 */
22 
23 #ifndef LGS8GL5_H
24 #define LGS8GL5_H
25 
26 #include <linux/dvb/frontend.h>
27 
28 struct lgs8gl5_config {
29 	/* the demodulator's i2c address */
30 	u8 demod_address;
31 };
32 
33 #if IS_REACHABLE(CONFIG_DVB_LGS8GL5)
34 extern struct dvb_frontend *lgs8gl5_attach(
35 	const struct lgs8gl5_config *config, struct i2c_adapter *i2c);
36 #else
37 static inline struct dvb_frontend *lgs8gl5_attach(
38 	const struct lgs8gl5_config *config, struct i2c_adapter *i2c) {
39 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
40 	return NULL;
41 }
42 #endif /* CONFIG_DVB_LGS8GL5 */
43 
44 #endif /* LGS8GL5_H */
45