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Commit 86131d93 authored Nov 05, 2018 by Baolin Wang Committed by Sebastian Reichel Nov 09, 2018

power: supply: core: Add one field to present the battery internal resistance



Add one field for 'struct power_supply_battery_info' to present the battery
factory internal resistance.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

parent 56a6cd31

drivers/power/supply/power_supply_core.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -579,6 +579,7 @@ int power_supply_get_battery_info(struct power_supply *psy,
		info->charge_term_current_ua = -EINVAL;
		info->constant_charge_current_max_ua = -EINVAL;
		info->constant_charge_voltage_max_uv = -EINVAL;
		info->factory_internal_resistance_uohm = -EINVAL;

		if (!psy->of_node) {
		dev_warn(&psy->dev, "%s currently only supports devicetree\n",
		@@ -616,6 +617,8 @@ int power_supply_get_battery_info(struct power_supply *psy,
		&info->constant_charge_current_max_ua);
		of_property_read_u32(battery_np, "constant_charge_voltage_max_microvolt",
		&info->constant_charge_voltage_max_uv);
		of_property_read_u32(battery_np, "factory-internal-resistance-micro-ohms",
		&info->factory_internal_resistance_uohm);

		return 0;
		}

include/linux/power_supply.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -326,6 +326,7 @@ struct power_supply_battery_info {
		int charge_term_current_ua; /* microAmps */
		int constant_charge_current_max_ua; /* microAmps */
		int constant_charge_voltage_max_uv; /* microVolts */
		int factory_internal_resistance_uohm; /* microOhms */
		};

		extern struct atomic_notifier_head power_supply_notifier;