Commit b8e5030e authored by Fenglin Wu's avatar Fenglin Wu Committed by Sebastian Reichel
Browse files

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: default avatarFenglin Wu <fenglin.wu@oss.qualcomm.com>
Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent 45e57e6a

drivers/power/supply/qcom_battmgr.c

+9 −0
Original line number Diff line number Diff line
@@ -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;