@@ -456,7 +456,7 @@ Description:
"Over voltage", "Under voltage", "Unspecified failure", "Cold",
"Watchdog timer expire", "Safety timer expire",
"Over current", "Calibration required", "Warm",
- "Cool", "Hot", "No battery"
+ "Cool", "Hot", "No battery", "Fuse blown", "Cell imbalanced"
What: /sys/class/power_supply/<supply_name>/precharge_current
Date: June 2017
@@ -110,6 +110,8 @@ static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
[POWER_SUPPLY_HEALTH_COOL] = "Cool",
[POWER_SUPPLY_HEALTH_HOT] = "Hot",
[POWER_SUPPLY_HEALTH_NO_BATTERY] = "No battery",
+ [POWER_SUPPLY_HEALTH_FUSE_BLOWN] = "Fuse blown",
+ [POWER_SUPPLY_HEALTH_CELL_IMBALANCED] = "Cell imbalanced",
};
static const char * const POWER_SUPPLY_TECHNOLOGY_TEXT[] = {
@@ -71,6 +71,8 @@ enum {
POWER_SUPPLY_HEALTH_COOL,
POWER_SUPPLY_HEALTH_HOT,
POWER_SUPPLY_HEALTH_NO_BATTERY,
+ POWER_SUPPLY_HEALTH_FUSE_BLOWN,
+ POWER_SUPPLY_HEALTH_CELL_IMBALANCED,
};
enum {
Some batteries can signal when an internal fuse was blown. In such a case POWER_SUPPLY_HEALTH_DEAD is too vague for userspace applications to perform meaningful diagnostics. Additionally some batteries can also signal when some of their internal cells are imbalanced. In such a case returning POWER_SUPPLY_HEALTH_UNSPEC_FAILURE is again too vague for userspace applications to perform meaningful diagnostics. Add new health status values for both cases. Signed-off-by: Armin Wolf <W_Armin@gmx.de> --- Documentation/ABI/testing/sysfs-class-power | 2 +- drivers/power/supply/power_supply_sysfs.c | 2 ++ include/linux/power_supply.h | 2 ++ 3 files changed, 5 insertions(+), 1 deletion(-)