5113f6f70
 김현기
kernel add
|
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
48
49
50
51
52
53
54
55
56
57
|
/*
* lnbh25.c
*
* Driver for LNB supply and control IC LNBH25
*
* Copyright (C) 2014 NetUP Inc.
* Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
* Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 LNBH25_H
#define LNBH25_H
#include <linux/i2c.h>
#include <linux/kconfig.h>
#include <linux/dvb/frontend.h>
/* 22 kHz tone enabled. Tone output controlled by DSQIN pin */
#define LNBH25_TEN 0x01
/* Low power mode activated (used only with 22 kHz tone output disabled) */
#define LNBH25_LPM 0x02
/* DSQIN input pin is set to receive external 22 kHz TTL signal source */
#define LNBH25_EXTM 0x04
struct lnbh25_config {
u8 i2c_address;
u8 data2_config;
};
#if IS_REACHABLE(CONFIG_DVB_LNBH25)
struct dvb_frontend *lnbh25_attach(
struct dvb_frontend *fe,
struct lnbh25_config *cfg,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *lnbh25_attach(
struct dvb_frontend *fe,
struct lnbh25_config *cfg,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig
", __func__);
return NULL;
}
#endif
#endif
|