1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3     driver for LSI L64781 COFDM demodulator
4 
5     Copyright (C) 2001 Holger Waechtler for Convergence Integrated Media GmbH
6 		       Marko Kohtala <marko.kohtala@luukku.com>
7 
8 
9 */
10 
11 #ifndef L64781_H
12 #define L64781_H
13 
14 #include <linux/dvb/frontend.h>
15 
16 struct l64781_config
17 {
18 	/* the demodulator's i2c address */
19 	u8 demod_address;
20 };
21 
22 #if IS_REACHABLE(CONFIG_DVB_L64781)
23 extern struct dvb_frontend* l64781_attach(const struct l64781_config* config,
24 					  struct i2c_adapter* i2c);
25 #else
26 static inline struct dvb_frontend* l64781_attach(const struct l64781_config* config,
27 					  struct i2c_adapter* i2c)
28 {
29 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
30 	return NULL;
31 }
32 #endif // CONFIG_DVB_L64781
33 
34 #endif // L64781_H
35