|  | /* | 
|  | * lnbh24.h - driver for lnb supply and control ic lnbh24 | 
|  | * | 
|  | * Copyright (C) 2009 NetUP Inc. | 
|  | * Copyright (C) 2009 Igor M. Liplianin <liplianin@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 _LNBH24_H | 
|  | #define _LNBH24_H | 
|  |  | 
|  | /* system register bits */ | 
|  | #define LNBH24_OLF	0x01 | 
|  | #define LNBH24_OTF	0x02 | 
|  | #define LNBH24_EN	0x04 | 
|  | #define LNBH24_VSEL	0x08 | 
|  | #define LNBH24_LLC	0x10 | 
|  | #define LNBH24_TEN	0x20 | 
|  | #define LNBH24_TTX	0x40 | 
|  | #define LNBH24_PCL	0x80 | 
|  |  | 
|  | #include <linux/dvb/frontend.h> | 
|  |  | 
|  | #if IS_REACHABLE(CONFIG_DVB_LNBP21) | 
|  | /* override_set and override_clear control which | 
|  | system register bits (above) to always set & clear */ | 
|  | extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe, | 
|  | struct i2c_adapter *i2c, u8 override_set, | 
|  | u8 override_clear, u8 i2c_addr); | 
|  | #else | 
|  | static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe, | 
|  | struct i2c_adapter *i2c, u8 override_set, | 
|  | u8 override_clear, u8 i2c_addr) | 
|  | { | 
|  | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | 
|  | return NULL; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif |