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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Sharp s921 driver4 *5 * Copyright (C) 2009 Mauro Carvalho Chehab6 * Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com>7 */8 9#ifndef S921_H10#define S921_H11 12#include <linux/dvb/frontend.h>13 14struct s921_config {15 /* the demodulator's i2c address */16 u8 demod_address;17};18 19#if IS_REACHABLE(CONFIG_DVB_S921)20extern struct dvb_frontend *s921_attach(const struct s921_config *config,21 struct i2c_adapter *i2c);22extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *);23#else24static inline struct dvb_frontend *s921_attach(25 const struct s921_config *config, struct i2c_adapter *i2c)26{27 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);28 return NULL;29}30static inline struct i2c_adapter *31 s921_get_tuner_i2c_adapter(struct dvb_frontend *fe)32{33 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);34 return NULL;35}36#endif37 38#endif /* S921_H */39