power: supply: qcom_battmgr: Add state_of_health property

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>

diff --git a/drivers/power/supply/qcom_battmgr.c b/drivers/power/supply/qcom_battmgr.c
index fc3058d..784e3b0 100644 (file)
--- 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_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;