[linux-2.6-block.git] / drivers / media / dvb-frontends / l64781.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
    driver for LSI L64781 COFDM demodulator

    Copyright (C) 2001 Holger Waechtler for Convergence Integrated Media GmbH
		       Marko Kohtala <marko.kohtala@luukku.com>


*/

#ifndef L64781_H
#define L64781_H

#include <linux/dvb/frontend.h>

struct l64781_config
{
	/* the demodulator's i2c address */
	u8 demod_address;
};

#if IS_REACHABLE(CONFIG_DVB_L64781)
extern struct dvb_frontend* l64781_attach(const struct l64781_config* config,
					  struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* l64781_attach(const struct l64781_config* config,
					  struct i2c_adapter* i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif // CONFIG_DVB_L64781

#endif // L64781_H
Commit	Line	Data
74ba9207	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1da177e4 LT	2	/*
	3	driver for LSI L64781 COFDM demodulator
	4
	5	Copyright (C) 2001 Holger Waechtler for Convergence Integrated Media GmbH
9101e622	6	Marko Kohtala <marko.kohtala@luukku.com>
1da177e4	7
1da177e4 LT	8
	9	*/
	10
	11	#ifndef L64781_H
	12	#define L64781_H
	13
	14	#include <linux/dvb/frontend.h>
	15
	16	struct l64781_config
	17	{
	18	/* the demodulator's i2c address */
	19	u8 demod_address;
1da177e4 LT	20	};
1da177e4 LT	21
9b174527	22	#if IS_REACHABLE(CONFIG_DVB_L64781)
1da177e4 LT	23	extern struct dvb_frontend* l64781_attach(const struct l64781_config* config,
1da177e4 LT	24	struct i2c_adapter* i2c);
102a342b AQ	25	#else
	26	static inline struct dvb_frontend* l64781_attach(const struct l64781_config* config,
	27	struct i2c_adapter* i2c)
	28	{
271ddbf7	29	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
102a342b AQ	30	return NULL;
	31	}
	32	#endif // CONFIG_DVB_L64781
1da177e4 LT	33
1da177e4 LT	34	#endif // L64781_H