treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157

[thirdparty/kernel/stable.git] / drivers / media / dvb-frontends / tua6100.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Driver for Infineon tua6100 PLL.
 *
 * (c) 2006 Andrew de Quincey
 *
 * Based on code found in budget-av.c, which has the following:
 * Compiled from various sources by Michael Hunold <michael@mihu.de>
 *
 * CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> &
 *                               Andrew de Quincey <adq_dvb@lidskialf.net>
 *
 * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
 *
 * Copyright (C) 1999-2002 Ralph  Metzler
 *                       & Marcus Metzler for convergence integrated media GmbH
 */

#ifndef __DVB_TUA6100_H__
#define __DVB_TUA6100_H__

#include <linux/i2c.h>
#include <media/dvb_frontend.h>

#if IS_REACHABLE(CONFIG_DVB_TUA6100)
extern struct dvb_frontend *tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend* tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif // CONFIG_DVB_TUA6100

#endif