drivers/media/tuners/tda18218.h

   1 /*
   2  * NXP TDA18218HN silicon tuner driver
   3  *
   4  * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
   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  *    GNU General Public License for more details.
  15  */
  16
  17 #ifndef TDA18218_H
  18 #define TDA18218_H
  19
  20 #include <media/dvb_frontend.h>
  21
  22 struct tda18218_config {
  23         u8 i2c_address;
  24         u8 i2c_wr_max;
  25         u8 loop_through:1;
  26 };
  27
  28 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18218)
  29 extern struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
  30         struct i2c_adapter *i2c, struct tda18218_config *cfg);
  31 #else
  32 static inline struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
  33         struct i2c_adapter *i2c, struct tda18218_config *cfg)
  34 {
  35         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  36         return NULL;
  37 }
  38 #endif
  39
  40 #endif