diff mbox series

[2/5] power: supply: core: Add state_of_health power supply property

Message ID 20250523-qcom_battmgr_update-v1-2-2bb6d4e0a56e@oss.qualcomm.com
State New
Headers show
Series [1/5] power: supply: core: add resistance power supply property | expand

Commit Message

Fenglin Wu via B4 Relay May 23, 2025, 1:39 a.m. UTC 
From: Fenglin Wu <fenglin.wu@oss.qualcomm.com>

Add state_of_health power supply property to represent battery
health percentage.

Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
---
 Documentation/ABI/testing/sysfs-class-power | 10 ++++++++++
 drivers/power/supply/power_supply_sysfs.c   |  1 +
 include/linux/power_supply.h                |  1 +
 3 files changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index 22a565a6a1c509461b8c483e12975295765121d6..74e0d4d67467500c3cd62da3ae0b2e4a67e77680 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -562,6 +562,16 @@  Description:
 
 		Valid values: Represented in microohms
 
+What:		/sys/class/power_supply/<supply_name>/state_of_health
+Date:		May 2025
+Contact:	linux-arm-msm@vger.kernel.org
+Description:
+		Reports battery power supply state of health in percentage.
+
+		Access: Read
+
+		Valid values: 0 - 100 (percent)
+
 **USB Properties**
 
 What:		/sys/class/power_supply/<supply_name>/input_current_limit
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index dd829148eb6fda5dcd7eab53fc70f99081763714..12af0d0398822ff23d8970f6bdc8e3ef68081a1d 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -221,6 +221,7 @@  static struct power_supply_attr power_supply_attrs[] __ro_after_init = {
 	POWER_SUPPLY_ATTR(MANUFACTURE_MONTH),
 	POWER_SUPPLY_ATTR(MANUFACTURE_DAY),
 	POWER_SUPPLY_ATTR(RESISTANCE),
+	POWER_SUPPLY_ATTR(STATE_OF_HEALTH),
 	/* Properties of type `const char *' */
 	POWER_SUPPLY_ATTR(MODEL_NAME),
 	POWER_SUPPLY_ATTR(MANUFACTURER),
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index de3e88810e322546470b21258913abc7707c86a7..dd0108940231352ac6c6f0fa962d1ea904d81c7a 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -175,6 +175,7 @@  enum power_supply_property {
 	POWER_SUPPLY_PROP_MANUFACTURE_MONTH,
 	POWER_SUPPLY_PROP_MANUFACTURE_DAY,
 	POWER_SUPPLY_PROP_RESISTANCE,
+	POWER_SUPPLY_PROP_STATE_OF_HEALTH,
 	/* Properties of type `const char *' */
 	POWER_SUPPLY_PROP_MODEL_NAME,
 	POWER_SUPPLY_PROP_MANUFACTURER,