LXR linux/drivers/media/tuners/mc44s803.h

   1/*
   2 *  Driver for Freescale MC44S803 Low Power CMOS Broadband Tuner
   3 *
   4 *  Copyright (c) 2009 Jochen Friedrich <jochen@scram.de>
   5 *
   6 *  This program is free software; you can redistribute it and/or modify
   7 *  it under the terms of the GNU General Public License as published by
   8 *  the Free Software Foundation; either version 2 of the License, or
   9 *  (at your option) any later version.
  10 *
  11 *  This program is distributed in the hope that it will be useful,
  12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *
  15 *  GNU General Public License for more details.
  16 */
  17
  18#ifndef MC44S803_H
  19#define MC44S803_H
  20
  21struct dvb_frontend;
  22struct i2c_adapter;
  23
  24struct mc44s803_config {
  25        u8 i2c_address;
  26        u8 dig_out;
  27};
  28
  29#if IS_REACHABLE(CONFIG_MEDIA_TUNER_MC44S803)
  30extern struct dvb_frontend *mc44s803_attach(struct dvb_frontend *fe,
  31         struct i2c_adapter *i2c, struct mc44s803_config *cfg);
  32#else
  33static inline struct dvb_frontend *mc44s803_attach(struct dvb_frontend *fe,
  34         struct i2c_adapter *i2c, struct mc44s803_config *cfg)
  35{
  36        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  37        return NULL;
  38}
  39#endif /* CONFIG_MEDIA_TUNER_MC44S803 */
  40
  41#endif
  42