1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3     Conexant CX22700 DVB OFDM demodulator driver
4 
5     Copyright (C) 2001-2002 Convergence Integrated Media GmbH
6 	Holger Waechtler <holger@convergence.de>
7 
8 
9 */
10 
11 #ifndef CX22700_H
12 #define CX22700_H
13 
14 #include <linux/dvb/frontend.h>
15 
16 struct cx22700_config
17 {
18 	/* the demodulator's i2c address */
19 	u8 demod_address;
20 };
21 
22 #if IS_REACHABLE(CONFIG_DVB_CX22700)
23 extern struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
24 					   struct i2c_adapter* i2c);
25 #else
26 static inline struct dvb_frontend* cx22700_attach(const struct cx22700_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_CX22700
33 
34 #endif // CX22700_H
35