static int max14577_muic_chg_handler()

in extcon-max14577.c [427:479]

• 47 lines of code
• 11 McCabe index (conditional complexity)

static int max14577_muic_chg_handler(struct max14577_muic_info *info)
{
	int chg_type;
	bool attached;
	int ret = 0;

	chg_type = max14577_muic_get_cable_type(info,
				MAX14577_CABLE_GROUP_CHG, &attached);

	dev_dbg(info->dev,
		"external connector is %s(chg_type:0x%x, prev_chg_type:0x%x)\n",
			attached ? "attached" : "detached",
			chg_type, info->prev_chg_type);

	switch (chg_type) {
	case MAX14577_CHARGER_TYPE_USB:
		/* PATH:AP_USB */
		ret = max14577_muic_set_path(info, info->path_usb, attached);
		if (ret < 0)
			return ret;

		extcon_set_state_sync(info->edev, EXTCON_USB, attached);
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_SDP,
					attached);
		break;
	case MAX14577_CHARGER_TYPE_DEDICATED_CHG:
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_DCP,
					attached);
		break;
	case MAX14577_CHARGER_TYPE_DOWNSTREAM_PORT:
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_CDP,
					attached);
		break;
	case MAX14577_CHARGER_TYPE_SPECIAL_500MA:
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_SLOW,
					attached);
		break;
	case MAX14577_CHARGER_TYPE_SPECIAL_1A:
		extcon_set_state_sync(info->edev, EXTCON_CHG_USB_FAST,
					attached);
		break;
	case MAX14577_CHARGER_TYPE_NONE:
	case MAX14577_CHARGER_TYPE_DEAD_BATTERY:
		break;
	default:
		dev_err(info->dev,
			"failed to detect %s accessory (chg_type:0x%x)\n",
			attached ? "attached" : "detached", chg_type);
		return -EINVAL;
	}

	return 0;
}