static int sc27xx_fgu_get_property()

in supply/sc27xx_fuel_gauge.c [573:699]

• 97 lines of code
• 27 McCabe index (conditional complexity)

static int sc27xx_fgu_get_property(struct power_supply *psy,
				   enum power_supply_property psp,
				   union power_supply_propval *val)
{
	struct sc27xx_fgu_data *data = power_supply_get_drvdata(psy);
	int ret = 0;
	int value;

	mutex_lock(&data->lock);

	switch (psp) {
	case POWER_SUPPLY_PROP_STATUS:
		ret = sc27xx_fgu_get_status(data, &value);
		if (ret)
			goto error;

		val->intval = value;
		break;

	case POWER_SUPPLY_PROP_HEALTH:
		ret = sc27xx_fgu_get_health(data, &value);
		if (ret)
			goto error;

		val->intval = value;
		break;

	case POWER_SUPPLY_PROP_PRESENT:
		val->intval = data->bat_present;
		break;

	case POWER_SUPPLY_PROP_TEMP:
		ret = sc27xx_fgu_get_temp(data, &value);
		if (ret)
			goto error;

		val->intval = value;
		break;

	case POWER_SUPPLY_PROP_TECHNOLOGY:
		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
		break;

	case POWER_SUPPLY_PROP_CAPACITY:
		ret = sc27xx_fgu_get_capacity(data, &value);
		if (ret)
			goto error;

		val->intval = value;
		break;

	case POWER_SUPPLY_PROP_VOLTAGE_AVG:
		ret = sc27xx_fgu_get_vbat_vol(data, &value);
		if (ret)
			goto error;

		val->intval = value * 1000;
		break;

	case POWER_SUPPLY_PROP_VOLTAGE_OCV:
		ret = sc27xx_fgu_get_vbat_ocv(data, &value);
		if (ret)
			goto error;

		val->intval = value;
		break;

	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
		ret = sc27xx_fgu_get_charge_vol(data, &value);
		if (ret)
			goto error;

		val->intval = value;
		break;

	case POWER_SUPPLY_PROP_CURRENT_AVG:
		ret = sc27xx_fgu_get_current(data, &value);
		if (ret)
			goto error;

		val->intval = value * 1000;
		break;

	case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
		val->intval = data->total_cap * 1000;
		break;

	case POWER_SUPPLY_PROP_CHARGE_NOW:
		ret = sc27xx_fgu_get_clbcnt(data, &value);
		if (ret)
			goto error;

		value = DIV_ROUND_CLOSEST(value * 10,
					  36 * SC27XX_FGU_SAMPLE_HZ);
		val->intval = sc27xx_fgu_adc_to_current(data, value);

		break;

	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
		ret = sc27xx_fgu_get_vol_now(data, &value);
		if (ret)
			goto error;

		val->intval = value * 1000;
		break;

	case POWER_SUPPLY_PROP_CURRENT_NOW:
		ret = sc27xx_fgu_get_cur_now(data, &value);
		if (ret)
			goto error;

		val->intval = value * 1000;
		break;

	case POWER_SUPPLY_PROP_VOLTAGE_BOOT:
		val->intval = data->boot_volt;
		break;

	default:
		ret = -EINVAL;
		break;
	}

error:
	mutex_unlock(&data->lock);
	return ret;
}