Commit 1b0b6cc8 authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Hans de Goede
Browse files

power: supply: add charge_behaviour attributes 

This a revised version of
"[RFC] add standardized attributes for force_discharge and inhibit_charge" [0],
incorporating discussion results.

The biggest change is the switch from two boolean attributes to a single
enum attribute.

[0] https://lore.kernel.org/platform-driver-x86/21569a89-8303-8573-05fb-c2fec29983d1@gmail.com/



Signed-off-by: default avatarThomas Weißschuh <linux@weissschuh.net>
Acked-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20211123232704.25394-2-linux@weissschuh.net


Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent ee0d44f2

Documentation/ABI/testing/sysfs-class-power

+14 −0
Original line number Diff line number Diff line
@@ -455,6 +455,20 @@ Description: 
			      "Unknown", "Charging", "Discharging",

			      "Not charging", "Full"



What:		/sys/class/power_supply/<supply_name>/charge_behaviour

Date:		November 2021

Contact:	linux-pm@vger.kernel.org

Description:

		Represents the charging behaviour.



		Access: Read, Write



		Valid values:

			================ ====================================

			auto:            Charge normally, respect thresholds

			inhibit-charge:  Do not charge while AC is attached

			force-discharge: Force discharge while AC is attached



What:		/sys/class/power_supply/<supply_name>/technology

Date:		May 2007

Contact:	linux-pm@vger.kernel.org

include/linux/power_supply.h

+7 −0
Original line number Diff line number Diff line
@@ -132,6 +132,7 @@ enum power_supply_property { 
	POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,

	POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD, /* in percents! */

	POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD, /* in percents! */

	POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR,

	POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,

	POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,

	POWER_SUPPLY_PROP_INPUT_POWER_LIMIT,
@@ -202,6 +203,12 @@ enum power_supply_usb_type { 
	POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID,	/* Apple Charging Method */

};



enum power_supply_charge_behaviour {

	POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO = 0,

	POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE,

	POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE,

};



enum power_supply_notifier_events {

	PSY_EVENT_PROP_CHANGED,

};