power: supply: max17040: Add POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN (2f38dc4d) · Commits · 戴 / test

drivers/power/supply/max17040_battery.c

+46 −5

Original line number	Diff line number	Diff line
		@@ -69,6 +69,9 @@ static int max17040_get_property(struct power_supply *psy,
		case POWER_SUPPLY_PROP_CAPACITY:
		val->intval = chip->soc;
		break;
		case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN:
		val->intval = chip->low_soc_alert;
		break;
		default:
		return -EINVAL;
		}
		@@ -256,17 +259,55 @@ static int max17040_enable_alert_irq(struct max17040_chip *chip)
		return ret;
		}

		static int max17040_prop_writeable(struct power_supply *psy,
		enum power_supply_property psp)
		{
		switch (psp) {
		case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN:
		return 1;
		default:
		return 0;
		}
		}

		static int max17040_set_property(struct power_supply *psy,
		enum power_supply_property psp,
		const union power_supply_propval *val)
		{
		struct max17040_chip *chip = power_supply_get_drvdata(psy);
		int ret;

		switch (psp) {
		case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN:
		/* alert threshold can be programmed from 1% up to 32% */
		if ((val->intval < 1) \|\| (val->intval > 32)) {
		ret = -EINVAL;
		break;
		}
		ret = max17040_set_low_soc_alert(chip->client, val->intval);
		chip->low_soc_alert = val->intval;
		break;
		default:
		ret = -EINVAL;
		}

		return ret;
		}

		static enum power_supply_property max17040_battery_props[] = {
		POWER_SUPPLY_PROP_STATUS,
		POWER_SUPPLY_PROP_ONLINE,
		POWER_SUPPLY_PROP_VOLTAGE_NOW,
		POWER_SUPPLY_PROP_CAPACITY,
		POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN,
		};

		static const struct power_supply_desc max17040_battery_desc = {
		.name = "battery",
		.type = POWER_SUPPLY_TYPE_BATTERY,
		.get_property = max17040_get_property,
		.set_property = max17040_set_property,
		.property_is_writeable = max17040_prop_writeable,
		.properties = max17040_battery_props,
		.num_properties = ARRAY_SIZE(max17040_battery_props),
		};

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