diff mbox series

[4/5] power: supply: qcom-battmgr: Add state_of_health power supply property

Message ID 20250523-qcom_battmgr_update-v1-4-2bb6d4e0a56e@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 read battery health
percentage from the battery management firmware.

Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
---
 drivers/power/supply/qcom_battmgr.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/power/supply/qcom_battmgr.c b/drivers/power/supply/qcom_battmgr.c
index bc521f60f67fa427cc03b51c44adaeb46ae746f5..d5d0200b92bdc3d9a22f44159ad45b152efe8be0 100644
--- a/drivers/power/supply/qcom_battmgr.c
+++ b/drivers/power/supply/qcom_battmgr.c
@@ -256,6 +256,7 @@  struct qcom_battmgr_status {
 	unsigned int voltage_ocv;
 	unsigned int temperature;
 	unsigned int resistance;
+	unsigned int soh_percent;
 
 	unsigned int discharge_time;
 	unsigned int charge_time;
@@ -421,6 +422,7 @@  static const u8 sm8350_bat_prop_map[] = {
 	[POWER_SUPPLY_PROP_TIME_TO_FULL_AVG] = BATT_TTF_AVG,
 	[POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG] = BATT_TTE_AVG,
 	[POWER_SUPPLY_PROP_RESISTANCE] = BATT_RESISTANCE,
+	[POWER_SUPPLY_PROP_STATE_OF_HEALTH] = BATT_SOH,
 	[POWER_SUPPLY_PROP_POWER_NOW] = BATT_POWER_NOW,
 };
 
@@ -588,6 +590,9 @@  static int qcom_battmgr_bat_get_property(struct power_supply *psy,
 	case POWER_SUPPLY_PROP_RESISTANCE:
 		val->intval = battmgr->status.resistance;
 		break;
+	case POWER_SUPPLY_PROP_STATE_OF_HEALTH:
+		val->intval = battmgr->status.soh_percent;
+		break;
 	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
 		val->intval = battmgr->status.discharge_time;
 		break;
@@ -672,6 +677,7 @@  static const enum power_supply_property sm8350_bat_props[] = {
 	POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
 	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
 	POWER_SUPPLY_PROP_RESISTANCE,
+	POWER_SUPPLY_PROP_STATE_OF_HEALTH,
 	POWER_SUPPLY_PROP_POWER_NOW,
 };
 
@@ -1141,6 +1147,9 @@  static void qcom_battmgr_sm8350_callback(struct qcom_battmgr *battmgr,
 		case BATT_CAPACITY:
 			battmgr->status.percent = le32_to_cpu(resp->intval.value) / 100;
 			break;
+		case BATT_SOH:
+			battmgr->status.soh_percent = le32_to_cpu(resp->intval.value);
+			break;
 		case BATT_VOLT_OCV:
 			battmgr->status.voltage_ocv = le32_to_cpu(resp->intval.value);
 			break;