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4e2c53fd IL |
1 | /* |
2 | * lnbp22.h - driver for lnb supply and control ic lnbp22 | |
3 | * | |
4 | * Copyright (C) 2006 Dominik Kuhlen | |
5 | * Based on lnbp21.h | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
bcb63314 SA |
18 | * To obtain the license, point your browser to |
19 | * http://www.gnu.org/copyleft/gpl.html | |
4e2c53fd IL |
20 | * |
21 | * | |
991ce92f | 22 | * the project's page is at https://linuxtv.org |
4e2c53fd IL |
23 | */ |
24 | ||
25 | #ifndef _LNBP22_H | |
26 | #define _LNBP22_H | |
27 | ||
28 | /* Enable */ | |
29 | #define LNBP22_EN 0x10 | |
30 | /* Voltage selection */ | |
31 | #define LNBP22_VSEL 0x02 | |
32 | /* Plus 1 Volt Bit */ | |
33 | #define LNBP22_LLC 0x01 | |
34 | ||
35 | #include <linux/dvb/frontend.h> | |
36 | ||
9b174527 | 37 | #if IS_REACHABLE(CONFIG_DVB_LNBP22) |
4e2c53fd IL |
38 | /* |
39 | * override_set and override_clear control which system register bits (above) | |
40 | * to always set & clear | |
41 | */ | |
42 | extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, | |
43 | struct i2c_adapter *i2c); | |
44 | #else | |
45 | static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, | |
46 | struct i2c_adapter *i2c) | |
47 | { | |
48 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
49 | return NULL; | |
50 | } | |
51 | #endif /* CONFIG_DVB_LNBP22 */ | |
52 | ||
53 | #endif /* _LNBP22_H */ |