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UPSTREAM: power: supply: core: add POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED

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Some battery fuel gauges know when the battery needs to
be recalibrated before providing usable values. This
should be reported via the health property.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
(cherry picked from commit 601c2a543f02da484362b3ff9074b2cfe08750de)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib361b1dccd4e0ca5d6f7a4425379519e025f18e7
This commit is contained in:
Sebastian Reichel 2020-05-13 20:56:00 +02:00 • committed by Greg Kroah-Hartman
commit 9039e68208
3 changed files with 4 additions and 1 deletions
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3
Documentation/ABI/testing/sysfs-class-power
View file

@ -205,7 +205,8 @@ Description:
Valid values: "Unknown", "Good", "Overheat", "Dead",
"Over voltage", "Unspecified failure", "Cold",
"Watchdog timer expire", "Safety timer expire",
"Over current", "Warm", "Cool", "Hot"
"Over current", "Calibration required",
"Warm", "Cool", "Hot"
What: /sys/class/power_supply/<supply_name>/precharge_current
Date: June 2017

1
drivers/power/supply/power_supply_sysfs.c
View file

@ -100,6 +100,7 @@ static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
[POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE] = "Watchdog timer expire",
[POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE] = "Safety timer expire",
[POWER_SUPPLY_HEALTH_OVERCURRENT] = "Over current",
[POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED] = "Calibration required",
[POWER_SUPPLY_HEALTH_WARM] = "Warm",
[POWER_SUPPLY_HEALTH_COOL] = "Cool",
[POWER_SUPPLY_HEALTH_HOT] = "Hot",

1
include/linux/power_supply.h
View file

@ -61,6 +61,7 @@ enum {
POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
POWER_SUPPLY_HEALTH_OVERCURRENT,
POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED,
POWER_SUPPLY_HEALTH_WARM,
POWER_SUPPLY_HEALTH_COOL,
POWER_SUPPLY_HEALTH_HOT,