kernel/2.6.29.6-aldebaran-rt/include/linux/i2c/pca953x.h

   1 /* platform data for the PCA9539 16-bit I/O expander driver */
   2
   3 struct pca953x_platform_data {
   4         /* number of the first GPIO */
   5         unsigned        gpio_base;
   6
   7         /* initial polarity inversion setting */
   8         uint16_t        invert;
   9
  10         void            *context;       /* param to setup/teardown */
  11
  12         int             (*setup)(struct i2c_client *client,
  13                                 unsigned gpio, unsigned ngpio,
  14                                 void *context);
  15         int             (*teardown)(struct i2c_client *client,
  16                                 unsigned gpio, unsigned ngpio,
  17                                 void *context);
  18 };