static int qpnpint_irq_set_type()

in spmi-pmic-arb.c [702:740]

• 32 lines of code
• 7 McCabe index (conditional complexity)

static int qpnpint_irq_set_type(struct irq_data *d, unsigned int flow_type)
{
	struct spmi_pmic_arb_qpnpint_type type = {0};
	struct spmi_pmic_arb_qpnpint_type mask;
	irq_flow_handler_t flow_handler;
	u8 irq_bit = BIT(hwirq_to_irq(d->hwirq));
	int rc;

	if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) {
		type.type = irq_bit;
		if (flow_type & IRQF_TRIGGER_RISING)
			type.polarity_high = irq_bit;
		if (flow_type & IRQF_TRIGGER_FALLING)
			type.polarity_low = irq_bit;

		flow_handler = handle_edge_irq;
	} else {
		if ((flow_type & (IRQF_TRIGGER_HIGH)) &&
		    (flow_type & (IRQF_TRIGGER_LOW)))
			return -EINVAL;

		if (flow_type & IRQF_TRIGGER_HIGH)
			type.polarity_high = irq_bit;
		else
			type.polarity_low = irq_bit;

		flow_handler = handle_level_irq;
	}

	mask.type = irq_bit;
	mask.polarity_high = irq_bit;
	mask.polarity_low = irq_bit;

	rc = qpnpint_spmi_masked_write(d, QPNPINT_REG_SET_TYPE, &type, &mask,
				       sizeof(type));
	irq_set_handler_locked(d, flow_handler);

	return rc;
}