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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/tda826x.h 1.68 KB
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    /*
       Driver for Philips tda8262/tda8263 DVBS Silicon tuners
  
       (c) 2006 Andrew de Quincey
  
       This program is free software; you can redistribute it and/or modify
       it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or
       (at your option) any later version.
  
       This program is distributed in the hope that it will be useful,
       but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  
       GNU General Public License for more details.
  
       You should have received a copy of the GNU General Public License
       along with this program; if not, write to the Free Software
       Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  
    */
  
  #ifndef __DVB_TDA826X_H__
  #define __DVB_TDA826X_H__
  
  #include <linux/i2c.h>
  #include "dvb_frontend.h"
  
  /**
   * Attach a tda826x tuner to the supplied frontend structure.
   *
   * @param fe Frontend to attach to.
   * @param addr i2c address of the tuner.
   * @param i2c i2c adapter to use.
   * @param has_loopthrough Set to 1 if the card has a loopthrough RF connector.
   * @return FE pointer on success, NULL on failure.
   */
  #if IS_ENABLED(CONFIG_DVB_TDA826X)
  extern struct dvb_frontend* tda826x_attach(struct dvb_frontend *fe, int addr,
  					   struct i2c_adapter *i2c,
  					   int has_loopthrough);
  #else
  static inline struct dvb_frontend* tda826x_attach(struct dvb_frontend *fe,
  						  int addr,
  						  struct i2c_adapter *i2c,
  						  int has_loopthrough)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif // CONFIG_DVB_TDA826X
  
  #endif // __DVB_TDA826X_H__