summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLuca Ceresoli <luca@lucaceresoli.net>2021-11-08 19:27:05 +0300
committerSebastian Reichel <sebastian.reichel@collabora.com>2021-11-16 18:10:07 +0300
commit77d641baa3c8e18a1056bec6c64c6103c1a17b1e (patch)
tree574e1021337ba441fa1c771bcc7c17ba403b9fcb
parentf9a09de33b47a8ac9a128fea54a549dddf87c6b4 (diff)
downloadlinux-77d641baa3c8e18a1056bec6c64c6103c1a17b1e.tar.xz
power: supply: core: add POWER_SUPPLY_HEALTH_NO_BATTERY
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@collabora.com> Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
-rw-r--r--Documentation/ABI/testing/sysfs-class-power2
-rw-r--r--drivers/power/supply/power_supply_sysfs.c1
-rw-r--r--include/linux/power_supply.h1
3 files changed, 3 insertions, 1 deletions
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 {