blob: 8d5e2a6e187c55c00384450a81eba3776112838f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Sharp s921 driver
*
* Copyright (C) 2009 Mauro Carvalho Chehab <mchehab@redhat.com>
* Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com>
*
* 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 version 2.
*
* 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 S921_H
#define S921_H
#include <linux/kconfig.h>
#include <linux/dvb/frontend.h>
struct s921_config {
/* the demodulator's i2c address */
u8 demod_address;
};
#if IS_ENABLED(CONFIG_DVB_S921)
extern struct dvb_frontend *s921_attach(const struct s921_config *config,
struct i2c_adapter *i2c);
extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *);
#else
static inline struct dvb_frontend *s921_attach(
const struct s921_config *config, struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static struct i2c_adapter *
s921_get_tuner_i2c_adapter(struct dvb_frontend *fe)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif /* S921_H */
|
