1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Sharp s921 driver 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2009 Mauro Carvalho Chehab 6*4882a593Smuzhiyun * Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com> 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef S921_H 10*4882a593Smuzhiyun #define S921_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun struct s921_config { 15*4882a593Smuzhiyun /* the demodulator's i2c address */ 16*4882a593Smuzhiyun u8 demod_address; 17*4882a593Smuzhiyun }; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_S921) 20*4882a593Smuzhiyun extern struct dvb_frontend *s921_attach(const struct s921_config *config, 21*4882a593Smuzhiyun struct i2c_adapter *i2c); 22*4882a593Smuzhiyun extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *); 23*4882a593Smuzhiyun #else s921_attach(const struct s921_config * config,struct i2c_adapter * i2c)24*4882a593Smuzhiyunstatic inline struct dvb_frontend *s921_attach( 25*4882a593Smuzhiyun const struct s921_config *config, struct i2c_adapter *i2c) 26*4882a593Smuzhiyun { 27*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 28*4882a593Smuzhiyun return NULL; 29*4882a593Smuzhiyun } 30*4882a593Smuzhiyun static inline struct i2c_adapter * s921_get_tuner_i2c_adapter(struct dvb_frontend * fe)31*4882a593Smuzhiyun s921_get_tuner_i2c_adapter(struct dvb_frontend *fe) 32*4882a593Smuzhiyun { 33*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 34*4882a593Smuzhiyun return NULL; 35*4882a593Smuzhiyun } 36*4882a593Smuzhiyun #endif 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #endif /* S921_H */ 39