drivers/media/pci/cx88/cx88-vp3054-i2c.h

   1 /*
   2  * cx88-vp3054-i2c.h  --  support for the secondary I2C bus of the
   3  *                        DNTV Live! DVB-T Pro (VP-3054), wired as:
   4  *                        GPIO[0] -> SCL, GPIO[1] -> SDA
   5  *
   6  * (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 /* ----------------------------------------------------------------------- */
  20 struct vp3054_i2c_state {
  21         struct i2c_adapter         adap;
  22         struct i2c_algo_bit_data   algo;
  23         u32                        state;
  24 };
  25
  26 /* ----------------------------------------------------------------------- */
  27 #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
  28 int  vp3054_i2c_probe(struct cx8802_dev *dev);
  29 void vp3054_i2c_remove(struct cx8802_dev *dev);
  30 #else
  31 static inline int  vp3054_i2c_probe(struct cx8802_dev *dev)
  32 { return 0; }
  33 static inline void vp3054_i2c_remove(struct cx8802_dev *dev)
  34 { }
  35 #endif