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kernel/linux-rt-4.4.41/drivers/media/pci/cx88/cx88-vp3054-i2c.h 1.46 KB
5113f6f70   김현기   kernel add
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  /*
  
      cx88-vp3054-i2c.h  --  support for the secondary I2C bus of the
  			   DNTV Live! DVB-T Pro (VP-3054), wired as:
  			   GPIO[0] -> SCL, GPIO[1] -> SDA
  
      (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
  
      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.
  
  */
  
  /* ----------------------------------------------------------------------- */
  struct vp3054_i2c_state {
  	struct i2c_adapter         adap;
  	struct i2c_algo_bit_data   algo;
  	u32                        state;
  };
  
  /* ----------------------------------------------------------------------- */
  #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
  int  vp3054_i2c_probe(struct cx8802_dev *dev);
  void vp3054_i2c_remove(struct cx8802_dev *dev);
  #else
  static inline int  vp3054_i2c_probe(struct cx8802_dev *dev)
  { return 0; }
  static inline void vp3054_i2c_remove(struct cx8802_dev *dev)
  { }
  #endif