static irqreturn_t pps_gpio_irq_handler()

in clients/pps-gpio.c [44:65]

• 17 lines of code
• 10 McCabe index (conditional complexity)

static irqreturn_t pps_gpio_irq_handler(int irq, void *data)
{
	const struct pps_gpio_device_data *info;
	struct pps_event_time ts;
	int rising_edge;

	/* Get the time stamp first */
	pps_get_ts(&ts);

	info = data;

	rising_edge = gpiod_get_value(info->gpio_pin);
	if ((rising_edge && !info->assert_falling_edge) ||
			(!rising_edge && info->assert_falling_edge))
		pps_event(info->pps, &ts, PPS_CAPTUREASSERT, data);
	else if (info->capture_clear &&
			((rising_edge && info->assert_falling_edge) ||
			(!rising_edge && !info->assert_falling_edge)))
		pps_event(info->pps, &ts, PPS_CAPTURECLEAR, data);

	return IRQ_HANDLED;
}