drivers/media/tuners/qt1010.h

   1 /*
   2  *  Driver for Quantek QT1010 silicon tuner
   3  *
   4  *  Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
   5  *                     Aapo Tahkola <aet@rasterburn.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  */
  17
  18 #ifndef QT1010_H
  19 #define QT1010_H
  20
  21 #include "dvb_frontend.h"
  22
  23 struct qt1010_config {
  24         u8 i2c_address;
  25 };
  26
  27 /**
  28  * Attach a qt1010 tuner to the supplied frontend structure.
  29  *
  30  * @param fe   frontend to attach to
  31  * @param i2c  i2c adapter to use
  32  * @param cfg  tuner hw based configuration
  33  * @return fe  pointer on success, NULL on failure
  34  */
  35 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_QT1010)
  36 extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
  37                                           struct i2c_adapter *i2c,
  38                                           struct qt1010_config *cfg);
  39 #else
  40 static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
  41                                                  struct i2c_adapter *i2c,
  42                                                  struct qt1010_config *cfg)
  43 {
  44         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  45         return NULL;
  46 }
  47 #endif // CONFIG_MEDIA_TUNER_QT1010
  48
  49 #endif