1 #ifndef __PCA9698_H_ 2 #define __PCA9698_H_ 3 4 int pca9698_direction_input(u8 chip, unsigned offset); 5 int pca9698_direction_output(u8 chip, unsigned offset); 6 int pca9698_get_input(u8 chip, unsigned offset); 7 int pca9698_set_output(u8 chip, unsigned offset, int value); 8 9 #endif /* __PCA9698_H_ */ 10