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  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
  20  */
  21
  22 #ifndef MC44S803_H
  23 #define MC44S803_H
  24
  25 struct dvb_frontend;
  26 struct i2c_adapter;
  27
  28 struct mc44s803_config {
  29         u8 i2c_address;
  30         u8 dig_out;
  31 };
  32
  33 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MC44S803)
  34 extern struct dvb_frontend *mc44s803_attach(struct dvb_frontend *fe,
  35          struct i2c_adapter *i2c, struct mc44s803_config *cfg);
  36 #else
  37 static inline struct dvb_frontend *mc44s803_attach(struct dvb_frontend *fe,
  38          struct i2c_adapter *i2c, struct mc44s803_config *cfg)
  39 {
  40         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  41         return NULL;
  42 }
  43 #endif /* CONFIG_MEDIA_TUNER_MC44S803 */
  44
  45 #endif