static void max8997_muic_irq_work()

in extcon-max8997.c [508:562]

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

static void max8997_muic_irq_work(struct work_struct *work)
{
	struct max8997_muic_info *info = container_of(work,
			struct max8997_muic_info, irq_work);
	int irq_type = 0;
	int i, ret;

	if (!info->edev)
		return;

	mutex_lock(&info->mutex);

	for (i = 0; i < ARRAY_SIZE(muic_irqs); i++)
		if (info->irq == muic_irqs[i].virq)
			irq_type = muic_irqs[i].irq;

	ret = max8997_bulk_read(info->muic, MAX8997_MUIC_REG_STATUS1,
				2, info->status);
	if (ret) {
		dev_err(info->dev, "failed to read muic register\n");
		mutex_unlock(&info->mutex);
		return;
	}

	switch (irq_type) {
	case MAX8997_MUICIRQ_ADCError:
	case MAX8997_MUICIRQ_ADCLow:
	case MAX8997_MUICIRQ_ADC:
		/* Handle all of cable except for charger cable */
		ret = max8997_muic_adc_handler(info);
		break;
	case MAX8997_MUICIRQ_VBVolt:
	case MAX8997_MUICIRQ_DBChg:
	case MAX8997_MUICIRQ_DCDTmr:
	case MAX8997_MUICIRQ_ChgDetRun:
	case MAX8997_MUICIRQ_ChgTyp:
	case MAX8997_PMICIRQ_CHGINS:
	case MAX8997_PMICIRQ_CHGRM:
		/* Handle charger cable */
		ret = max8997_muic_chg_handler(info);
		break;
	case MAX8997_MUICIRQ_OVP:
		break;
	default:
		dev_info(info->dev, "misc interrupt: irq %d occurred\n",
				irq_type);
		mutex_unlock(&info->mutex);
		return;
	}

	if (ret < 0)
		dev_err(info->dev, "failed to handle MUIC interrupt\n");

	mutex_unlock(&info->mutex);
}