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@xxxxxxxxx/ --- Documentation/ABI/testing/sysfs-class-power | 14 ++++++++++++++ drivers/power/supply/power_supply_sysfs.c | 1 + include/linux/power_supply.h | 7 +++++++ 3 files changed, 22 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index ca830c6cd809..2f58cfc91420 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -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@xxxxxxxxxxxxxxx +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@xxxxxxxxxxxxxxx diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index c3d7cbcd4fad..26c60587dca1 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -172,6 +172,7 @@ static struct power_supply_attr power_supply_attrs[] = { POWER_SUPPLY_ATTR(CHARGE_CONTROL_LIMIT_MAX), POWER_SUPPLY_ATTR(CHARGE_CONTROL_START_THRESHOLD), POWER_SUPPLY_ATTR(CHARGE_CONTROL_END_THRESHOLD), + POWER_SUPPLY_ENUM_ATTR(CHARGE_BEHAVIOUR), POWER_SUPPLY_ATTR(INPUT_CURRENT_LIMIT), POWER_SUPPLY_ATTR(INPUT_VOLTAGE_LIMIT), POWER_SUPPLY_ATTR(INPUT_POWER_LIMIT), diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 9ca1f120a211..70c333e86293 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -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, }; base-commit: 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f -- 2.33.1
