18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */
28c2ecf20Sopenharmony_ci/*
38c2ecf20Sopenharmony_ci *   Sharp s921 driver
48c2ecf20Sopenharmony_ci *
58c2ecf20Sopenharmony_ci *   Copyright (C) 2009 Mauro Carvalho Chehab
68c2ecf20Sopenharmony_ci *   Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com>
78c2ecf20Sopenharmony_ci */
88c2ecf20Sopenharmony_ci
98c2ecf20Sopenharmony_ci#ifndef S921_H
108c2ecf20Sopenharmony_ci#define S921_H
118c2ecf20Sopenharmony_ci
128c2ecf20Sopenharmony_ci#include <linux/dvb/frontend.h>
138c2ecf20Sopenharmony_ci
148c2ecf20Sopenharmony_cistruct s921_config {
158c2ecf20Sopenharmony_ci	/* the demodulator's i2c address */
168c2ecf20Sopenharmony_ci	u8 demod_address;
178c2ecf20Sopenharmony_ci};
188c2ecf20Sopenharmony_ci
198c2ecf20Sopenharmony_ci#if IS_REACHABLE(CONFIG_DVB_S921)
208c2ecf20Sopenharmony_ciextern struct dvb_frontend *s921_attach(const struct s921_config *config,
218c2ecf20Sopenharmony_ci					   struct i2c_adapter *i2c);
228c2ecf20Sopenharmony_ciextern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *);
238c2ecf20Sopenharmony_ci#else
248c2ecf20Sopenharmony_cistatic inline struct dvb_frontend *s921_attach(
258c2ecf20Sopenharmony_ci	const struct s921_config *config, struct i2c_adapter *i2c)
268c2ecf20Sopenharmony_ci{
278c2ecf20Sopenharmony_ci	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
288c2ecf20Sopenharmony_ci	return NULL;
298c2ecf20Sopenharmony_ci}
308c2ecf20Sopenharmony_cistatic inline struct i2c_adapter *
318c2ecf20Sopenharmony_ci	s921_get_tuner_i2c_adapter(struct dvb_frontend *fe)
328c2ecf20Sopenharmony_ci{
338c2ecf20Sopenharmony_ci	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
348c2ecf20Sopenharmony_ci	return NULL;
358c2ecf20Sopenharmony_ci}
368c2ecf20Sopenharmony_ci#endif
378c2ecf20Sopenharmony_ci
388c2ecf20Sopenharmony_ci#endif /* S921_H */
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