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kernel/linux-imx6_3.14.28/drivers/media/tuners/qt1010.h 1.63 KB
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  /*
   *  Driver for Quantek QT1010 silicon tuner
   *
   *  Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
   *                     Aapo Tahkola <aet@rasterburn.org>
   *
   *  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 QT1010_H
  #define QT1010_H
  
  #include "dvb_frontend.h"
  
  struct qt1010_config {
  	u8 i2c_address;
  };
  
  /**
   * Attach a qt1010 tuner to the supplied frontend structure.
   *
   * @param fe   frontend to attach to
   * @param i2c  i2c adapter to use
   * @param cfg  tuner hw based configuration
   * @return fe  pointer on success, NULL on failure
   */
  #if IS_ENABLED(CONFIG_MEDIA_TUNER_QT1010)
  extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
  					  struct i2c_adapter *i2c,
  					  struct qt1010_config *cfg);
  #else
  static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
  						 struct i2c_adapter *i2c,
  						 struct qt1010_config *cfg)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif // CONFIG_MEDIA_TUNER_QT1010
  
  #endif