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

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * cx88-vp3054-i2c.h  --  support for the secondary I2C bus of the
   4  *                        DNTV Live! DVB-T Pro (VP-3054), wired as:
   5  *                        GPIO[0] -> SCL, GPIO[1] -> SDA
   6  *
   7  * (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
   8  */
   9
  10 /* ----------------------------------------------------------------------- */
  11 struct vp3054_i2c_state {
  12         struct i2c_adapter         adap;
  13         struct i2c_algo_bit_data   algo;
  14         u32                        state;
  15 };
  16
  17 /* ----------------------------------------------------------------------- */
  18 #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
  19 int  vp3054_i2c_probe(struct cx8802_dev *dev);
  20 void vp3054_i2c_remove(struct cx8802_dev *dev);
  21 #else
  22 static inline int  vp3054_i2c_probe(struct cx8802_dev *dev)
  23 { return 0; }
  24 static inline void vp3054_i2c_remove(struct cx8802_dev *dev)
  25 { }
  26 #endif