Add POWER_SUPPLY_HEALTH_UNDERVOLTAGE status for power supply
to report under voltage lockout failures.
Signed-off-by: Dzmitry Sankouski <dsankouski@xxxxxxxxx>
---
Changes for v5:
- update Documentation/ABI/testing/sysfs-class-power and
drivers/power/supply/power_supply_sysfs.c
---
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 45180b62d426..32c018c5d088 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -433,7 +433,7 @@ Description:
Valid values:
"Unknown", "Good", "Overheat", "Dead",
- "Over voltage", "Unspecified failure", "Cold",
+ "Over voltage", "Under voltage", "Unspecified failure", "Cold",
"Watchdog timer expire", "Safety timer expire",
"Over current", "Calibration required", "Warm",
"Cool", "Hot", "No battery"
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 571de43fcca9..247c2910ba34 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -99,6 +99,7 @@ static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
[POWER_SUPPLY_HEALTH_OVERHEAT] = "Overheat",
[POWER_SUPPLY_HEALTH_DEAD] = "Dead",
[POWER_SUPPLY_HEALTH_OVERVOLTAGE] = "Over voltage",
+ [POWER_SUPPLY_HEALTH_UNDERVOLTAGE] = "Under voltage",
[POWER_SUPPLY_HEALTH_UNSPEC_FAILURE] = "Unspecified failure",
[POWER_SUPPLY_HEALTH_COLD] = "Cold",
[POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE] = "Watchdog timer expire",
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index b98106e1a90f..e96d262f3c2b 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -58,6 +58,7 @@ enum {
POWER_SUPPLY_HEALTH_OVERHEAT,
POWER_SUPPLY_HEALTH_DEAD,
POWER_SUPPLY_HEALTH_OVERVOLTAGE,
+ POWER_SUPPLY_HEALTH_UNDERVOLTAGE,
POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
POWER_SUPPLY_HEALTH_COLD,
POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
--
2.39.5
