GPIO_GET_LINEEVENT_IOCTL 1115 drivers/gpio/gpiolib.c } else if (cmd == GPIO_GET_LINEEVENT_IOCTL) { GPIO_GET_LINEEVENT_IOCTL 56 tools/gpio/gpio-event-mon.c ret = ioctl(fd, GPIO_GET_LINEEVENT_IOCTL, &req);