drivers/media/tuners/fc0013.h

   1 /*
   2  * Fitipower FC0013 tuner driver
   3  *
   4  * Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
   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  *    You should have received a copy of the GNU General Public License
  17  *    along with this program; if not, write to the Free Software
  18  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  */
  21
  22 #ifndef _FC0013_H_
  23 #define _FC0013_H_
  24
  25 #include <linux/kconfig.h>
  26 #include "dvb_frontend.h"
  27 #include "fc001x-common.h"
  28
  29 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_FC0013)
  30 extern struct dvb_frontend *fc0013_attach(struct dvb_frontend *fe,
  31                                         struct i2c_adapter *i2c,
  32                                         u8 i2c_address, int dual_master,
  33                                         enum fc001x_xtal_freq xtal_freq);
  34 extern int fc0013_rc_cal_add(struct dvb_frontend *fe, int rc_val);
  35 extern int fc0013_rc_cal_reset(struct dvb_frontend *fe);
  36 #else
  37 static inline struct dvb_frontend *fc0013_attach(struct dvb_frontend *fe,
  38                                         struct i2c_adapter *i2c,
  39                                         u8 i2c_address, int dual_master,
  40                                         enum fc001x_xtal_freq xtal_freq)
  41 {
  42         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  43         return NULL;
  44 }
  45
  46 static inline int fc0013_rc_cal_add(struct dvb_frontend *fe, int rc_val)
  47 {
  48         return 0;
  49 }
  50
  51 static inline int fc0013_rc_cal_reset(struct dvb_frontend *fe)
  52 {
  53         return 0;
  54 }
  55 #endif
  56
  57 #endif