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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/cx24113.h 1.6 KB
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  /*
   *  Driver for Conexant CX24113/CX24128 Tuner (Satellite)
   *
   *  Copyright (C) 2007-8 Patrick Boettcher <pb@linuxtv.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 CX24113_H
  #define CX24113_H
  
  #include <linux/kconfig.h>
  
  struct dvb_frontend;
  
  struct cx24113_config {
  	u8 i2c_addr; /* 0x14 or 0x54 */
  
  	u32 xtal_khz;
  };
  
  #if IS_ENABLED(CONFIG_DVB_TUNER_CX24113)
  extern struct dvb_frontend *cx24113_attach(struct dvb_frontend *,
  	const struct cx24113_config *config, struct i2c_adapter *i2c);
  
  extern void cx24113_agc_callback(struct dvb_frontend *fe);
  #else
  static inline struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
  	const struct cx24113_config *config, struct i2c_adapter *i2c)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  
  static inline void cx24113_agc_callback(struct dvb_frontend *fe)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  }
  #endif
  
  #endif /* CX24113_H */