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@xxxxxxxxxxxxx>
Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
---
This patch is new in v2.
---
Documentation/ABI/testing/sysfs-class-power | 2 +-
drivers/power/supply/power_supply_sysfs.c | 1 +
include/linux/power_supply.h | 1 +
3 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index f7904efc4cfa..a0b2a4280e38 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -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
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index c3d7cbcd4fad..6ac88fbee3cb 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -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[] = {
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 9ca1f120a211..2d1318fe2455 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -66,6 +66,7 @@ enum {
POWER_SUPPLY_HEALTH_WARM,
POWER_SUPPLY_HEALTH_COOL,
POWER_SUPPLY_HEALTH_HOT,
+ POWER_SUPPLY_HEALTH_NO_BATTERY,
};
enum {
--
2.25.1
