cx231xx_set_gpio_direction
status = cx231xx_set_gpio_direction(dev,
cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
int cx231xx_set_gpio_direction(struct cx231xx *dev, int pin_number,