|  | /* SPDX-License-Identifier: GPL-2.0-only */ | 
|  | /* | 
|  | * Driver for Zarlink ZL10036 DVB-S silicon tuner | 
|  | * | 
|  | * Copyright (C) 2006 Tino Reichardt | 
|  | * Copyright (C) 2007-2009 Matthias Schwarzott <zzam@gentoo.de> | 
|  | */ | 
|  |  | 
|  | #ifndef DVB_ZL10036_H | 
|  | #define DVB_ZL10036_H | 
|  |  | 
|  | #include <linux/i2c.h> | 
|  | #include <media/dvb_frontend.h> | 
|  |  | 
|  | struct zl10036_config { | 
|  | u8 tuner_address; | 
|  | int rf_loop_enable; | 
|  | }; | 
|  |  | 
|  | #if IS_REACHABLE(CONFIG_DVB_ZL10036) | 
|  | /** | 
|  | * zl10036_attach - Attach a zl10036 tuner to the supplied frontend structure. | 
|  | * | 
|  | * @fe: Frontend to attach to. | 
|  | * @config: zl10036_config structure. | 
|  | * @i2c: pointer to struct i2c_adapter. | 
|  | * return: FE pointer on success, NULL on failure. | 
|  | */ | 
|  | extern struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe, | 
|  | const struct zl10036_config *config, struct i2c_adapter *i2c); | 
|  | #else | 
|  | static inline struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe, | 
|  | const struct zl10036_config *config, struct i2c_adapter *i2c) | 
|  | { | 
|  | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | 
|  | return NULL; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif /* DVB_ZL10036_H */ |