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