drivers/media/dvb-frontends/tua6100.h

   1 /*
   2  * Driver for Infineon tua6100 PLL.
   3  *
   4  * (c) 2006 Andrew de Quincey
   5  *
   6  * Based on code found in budget-av.c, which has the following:
   7  * Compiled from various sources by Michael Hunold <michael@mihu.de>
   8  *
   9  * CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> &
  10  *                               Andrew de Quincey <adq_dvb@lidskialf.net>
  11  *
  12  * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
  13  *
  14  * Copyright (C) 1999-2002 Ralph  Metzler
  15  *                       & Marcus Metzler for convergence integrated media GmbH
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 2 of the License, or
  19  * (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful,
  22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  * GNU General Public License for more details.
  25  */
  26
  27 #ifndef __DVB_TUA6100_H__
  28 #define __DVB_TUA6100_H__
  29
  30 #include <linux/i2c.h>
  31 #include "dvb_frontend.h"
  32
  33 #if IS_REACHABLE(CONFIG_DVB_TUA6100)
  34 extern struct dvb_frontend *tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c);
  35 #else
  36 static inline struct dvb_frontend* tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c)
  37 {
  38         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  39         return NULL;
  40 }
  41 #endif // CONFIG_DVB_TUA6100
  42
  43 #endif