|  | /* | 
|  | * 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\n", __func__); | 
|  | return NULL; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif |