|  | /* SPDX-License-Identifier: GPL-2.0-or-later */ | 
|  | /* | 
|  | NxtWave Communications - NXT6000 demodulator driver | 
|  |  | 
|  | Copyright (C) 2002-2003 Florian Schirmer <jolt@tuxbox.org> | 
|  | Copyright (C) 2003 Paul Andreassen <paul@andreassen.com.au> | 
|  |  | 
|  | */ | 
|  |  | 
|  | #ifndef NXT6000_H | 
|  | #define NXT6000_H | 
|  |  | 
|  | #include <linux/dvb/frontend.h> | 
|  |  | 
|  | struct nxt6000_config | 
|  | { | 
|  | /* the demodulator's i2c address */ | 
|  | u8 demod_address; | 
|  |  | 
|  | /* should clock inversion be used? */ | 
|  | u8 clock_inversion:1; | 
|  | }; | 
|  |  | 
|  | #if IS_REACHABLE(CONFIG_DVB_NXT6000) | 
|  | extern struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config, | 
|  | struct i2c_adapter* i2c); | 
|  | #else | 
|  | static inline struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config, | 
|  | struct i2c_adapter* i2c) | 
|  | { | 
|  | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | 
|  | return NULL; | 
|  | } | 
|  | #endif // CONFIG_DVB_NXT6000 | 
|  |  | 
|  | #endif // NXT6000_H |