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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/cx22700.h 1.4 KB
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  /*
      Conexant CX22700 DVB OFDM demodulator driver
  
      Copyright (C) 2001-2002 Convergence Integrated Media GmbH
  	Holger Waechtler <holger@convergence.de>
  
      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 CX22700_H
  #define CX22700_H
  
  #include <linux/dvb/frontend.h>
  
  struct cx22700_config
  {
  	/* the demodulator's i2c address */
  	u8 demod_address;
  };
  
  #if IS_ENABLED(CONFIG_DVB_CX22700)
  extern struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
  					   struct i2c_adapter* i2c);
  #else
  static inline struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
  					   struct i2c_adapter* i2c)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif // CONFIG_DVB_CX22700
  
  #endif // CX22700_H