/* * Sharp s921 driver * * Copyright (C) 2009 Mauro Carvalho Chehab <mchehab@redhat.com> * Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation version 2. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #ifndef S921_H #define S921_H #include <linux/kconfig.h> #include <linux/dvb/frontend.h> struct s921_config { /* the demodulator's i2c address */ u8 demod_address; }; #if IS_ENABLED(CONFIG_DVB_S921) extern struct dvb_frontend *s921_attach(const struct s921_config *config, struct i2c_adapter *i2c); extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *); #else static inline struct dvb_frontend *s921_attach( const struct s921_config *config, struct i2c_adapter *i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } static struct i2c_adapter * s921_get_tuner_i2c_adapter(struct dvb_frontend *fe) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif #endif /* S921_H */