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  *  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 QT1010_H
  23 #define QT1010_H
  24
  25 #include "dvb_frontend.h"
  26
  27 struct qt1010_config {
  28         u8 i2c_address;
  29 };
  30
  31 /**
  32  * Attach a qt1010 tuner to the supplied frontend structure.
  33  *
  34  * @param fe   frontend to attach to
  35  * @param i2c  i2c adapter to use
  36  * @param cfg  tuner hw based configuration
  37  * @return fe  pointer on success, NULL on failure
  38  */
  39 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_QT1010)
  40 extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
  41                                           struct i2c_adapter *i2c,
  42                                           struct qt1010_config *cfg);
  43 #else
  44 static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
  45                                                  struct i2c_adapter *i2c,
  46                                                  struct qt1010_config *cfg)
  47 {
  48         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  49         return NULL;
  50 }
  51 #endif // CONFIG_MEDIA_TUNER_QT1010
  52
  53 #endif