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power: supply: qcom_battmgr: Add state_of_health property

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Add state_of_health property to read battery health percentage from
battery management firmware.

Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Fenglin Wu
2025-09-17 18:15:17 +08:00
committed by Sebastian Reichel
parent 45e57e6a21
commit b8e5030e09
1 changed files with 9 additions and 0 deletions
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9
drivers/power/supply/qcom_battmgr.c
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@@ -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_INTERNAL_RESISTANCE] = BATT_RESISTANCE,
[POWER_SUPPLY_PROP_STATE_OF_HEALTH] = BATT_SOH,
[POWER_SUPPLY_PROP_POWER_NOW] = BATT_POWER_NOW,
};
@@ -590,6 +592,9 @@ static int qcom_battmgr_bat_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_INTERNAL_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;
@@ -675,6 +680,7 @@ 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_INTERNAL_RESISTANCE,
POWER_SUPPLY_PROP_STATE_OF_HEALTH,
POWER_SUPPLY_PROP_POWER_NOW,
};
@@ -1167,6 +1173,9 @@ 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;