Commit 77d641ba authored Nov 08, 2021 by Luca Ceresoli Committed by Sebastian Reichel Nov 16, 2021

power: supply: core: add POWER_SUPPLY_HEALTH_NO_BATTERY

Some chargers can keep the system powered from the mains even when no
battery is present. It this case none of the currently defined health
statuses applies. Add a new status to report that no battery is present.

Suggested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

parent f9a09de3

Documentation/ABI/testing/sysfs-class-power

+1 −1

Original line number	Diff line number	Diff line
		@@ -413,7 +413,7 @@ Description:
		"Over voltage", "Unspecified failure", "Cold",
		"Watchdog timer expire", "Safety timer expire",
		"Over current", "Calibration required", "Warm",
		"Cool", "Hot"
		"Cool", "Hot", "No battery"

		What: /sys/class/power_supply/<supply_name>/precharge_current
		Date: June 2017

drivers/power/supply/power_supply_sysfs.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -106,6 +106,7 @@ static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
		[POWER_SUPPLY_HEALTH_WARM] = "Warm",
		[POWER_SUPPLY_HEALTH_COOL] = "Cool",
		[POWER_SUPPLY_HEALTH_HOT] = "Hot",
		[POWER_SUPPLY_HEALTH_NO_BATTERY] = "No battery",
		};

		static const char * const POWER_SUPPLY_TECHNOLOGY_TEXT[] = {

include/linux/power_supply.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -66,6 +66,7 @@ enum {
		POWER_SUPPLY_HEALTH_WARM,
		POWER_SUPPLY_HEALTH_COOL,
		POWER_SUPPLY_HEALTH_HOT,
		POWER_SUPPLY_HEALTH_NO_BATTERY,
		};

		enum {