#include DEFINE_FFF_GLOBALS; DEFINE_FAKE_VALUE_FUNC(int, gpio_open, const struct gpio_sys *); DEFINE_FAKE_VALUE_FUNC(int, gpio_close, const struct gpio_sys *); DEFINE_FAKE_VALUE_FUNC(int, gpio_direction, struct gpio_sys *, int); DEFINE_FAKE_VALUE_FUNC(int, gpio_read, const struct gpio_sys *); DEFINE_FAKE_VALUE_FUNC(int, gpio_write, const struct gpio_sys *, int);