static int max8997_muic_chg_handler()

in extcon-max8997.c [461:506]

• 42 lines of code
• 9 McCabe index (conditional complexity)

static int max8997_muic_chg_handler(struct max8997_muic_info *info)
{
	int chg_type;
	bool attached;
	int adc;

	chg_type = max8997_muic_get_cable_type(info,
				MAX8997_CABLE_GROUP_CHG, &attached);

	switch (chg_type) {
	case MAX8997_CHARGER_TYPE_NONE:
		break;
	case MAX8997_CHARGER_TYPE_USB:
		adc = info->status[0] & STATUS1_ADC_MASK;
		adc >>= STATUS1_ADC_SHIFT;

		if ((adc & STATUS1_ADC_MASK) == MAX8997_MUIC_ADC_OPEN) {
			max8997_muic_handle_usb(info,
					MAX8997_USB_DEVICE, attached);
		}
		break;
	case MAX8997_CHARGER_TYPE_DOWNSTREAM_PORT:
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_CDP,
					attached);
		break;
	case MAX8997_CHARGER_TYPE_DEDICATED_CHG:
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_DCP,
					attached);
		break;
	case MAX8997_CHARGER_TYPE_500MA:
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_SLOW,
					attached);
		break;
	case MAX8997_CHARGER_TYPE_1A:
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_FAST,
					attached);
		break;
	default:
		dev_err(info->dev,
			"failed to detect %s unknown chg cable (type:0x%x)\n",
			attached ? "attached" : "detached", chg_type);
		return -EINVAL;
	}

	return 0;
}