Thomas Gleixner | a0c7056 | 2019-05-23 11:14:50 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Igor M. Liplianin | 4e2c53f | 2011-09-23 18:33:50 -0300 | [diff] [blame] | 2 | /* |
| 3 | * lnbp22.h - driver for lnb supply and control ic lnbp22 |
| 4 | * |
| 5 | * Copyright (C) 2006 Dominik Kuhlen |
| 6 | * Based on lnbp21.h |
| 7 | * |
Mauro Carvalho Chehab | 991ce92 | 2015-12-04 10:38:59 -0200 | [diff] [blame] | 8 | * the project's page is at https://linuxtv.org |
Igor M. Liplianin | 4e2c53f | 2011-09-23 18:33:50 -0300 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #ifndef _LNBP22_H |
| 12 | #define _LNBP22_H |
| 13 | |
| 14 | /* Enable */ |
| 15 | #define LNBP22_EN 0x10 |
| 16 | /* Voltage selection */ |
| 17 | #define LNBP22_VSEL 0x02 |
| 18 | /* Plus 1 Volt Bit */ |
| 19 | #define LNBP22_LLC 0x01 |
| 20 | |
| 21 | #include <linux/dvb/frontend.h> |
| 22 | |
Arnd Bergmann | 9b17452 | 2015-02-18 14:12:42 -0300 | [diff] [blame] | 23 | #if IS_REACHABLE(CONFIG_DVB_LNBP22) |
Igor M. Liplianin | 4e2c53f | 2011-09-23 18:33:50 -0300 | [diff] [blame] | 24 | /* |
| 25 | * override_set and override_clear control which system register bits (above) |
| 26 | * to always set & clear |
| 27 | */ |
| 28 | extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, |
| 29 | struct i2c_adapter *i2c); |
| 30 | #else |
| 31 | static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, |
| 32 | struct i2c_adapter *i2c) |
| 33 | { |
| 34 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 35 | return NULL; |
| 36 | } |
| 37 | #endif /* CONFIG_DVB_LNBP22 */ |
| 38 | |
| 39 | #endif /* _LNBP22_H */ |