1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Sharp s921 driver |
4 | * |
5 | * Copyright (C) 2009 Mauro Carvalho Chehab |
6 | * Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com> |
7 | */ |
8 | |
9 | #ifndef S921_H |
10 | #define S921_H |
11 | |
12 | #include <linux/dvb/frontend.h> |
13 | |
14 | struct s921_config { |
15 | /* the demodulator's i2c address */ |
16 | u8 demod_address; |
17 | }; |
18 | |
19 | #if IS_REACHABLE(CONFIG_DVB_S921) |
20 | extern struct dvb_frontend *s921_attach(const struct s921_config *config, |
21 | struct i2c_adapter *i2c); |
22 | extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *); |
23 | #else |
24 | static inline struct dvb_frontend *s921_attach( |
25 | const struct s921_config *config, struct i2c_adapter *i2c) |
26 | { |
27 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
28 | return NULL; |
29 | } |
30 | static inline struct i2c_adapter * |
31 | s921_get_tuner_i2c_adapter(struct dvb_frontend *fe) |
32 | { |
33 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
34 | return NULL; |
35 | } |
36 | #endif |
37 | |
38 | #endif /* S921_H */ |
39 | |