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-rw-r--r--drivers/power/charger-manager.c99
1 files changed, 71 insertions, 28 deletions
diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 7a1177ea238d..7ae8cb70204a 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -97,6 +97,7 @@ static struct charger_global_desc *g_desc; /* init with setup_charger_manager */
static bool is_batt_present(struct charger_manager *cm)
{
union power_supply_propval val;
+ struct power_supply *psy;
bool present = false;
int i, ret;
@@ -107,7 +108,11 @@ static bool is_batt_present(struct charger_manager *cm)
case CM_NO_BATTERY:
break;
case CM_FUEL_GAUGE:
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
+ psy = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
+ if (!psy)
+ break;
+
+ ret = psy->get_property(psy,
POWER_SUPPLY_PROP_PRESENT, &val);
if (ret == 0 && val.intval)
present = true;
@@ -167,12 +172,14 @@ static bool is_ext_pwr_online(struct charger_manager *cm)
static int get_batt_uV(struct charger_manager *cm, int *uV)
{
union power_supply_propval val;
+ struct power_supply *fuel_gauge;
int ret;
- if (!cm->fuel_gauge)
+ fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
+ if (!fuel_gauge)
return -ENODEV;
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
+ ret = fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_VOLTAGE_NOW, &val);
if (ret)
return ret;
@@ -248,6 +255,7 @@ static bool is_full_charged(struct charger_manager *cm)
{
struct charger_desc *desc = cm->desc;
union power_supply_propval val;
+ struct power_supply *fuel_gauge;
int ret = 0;
int uV;
@@ -255,11 +263,15 @@ static bool is_full_charged(struct charger_manager *cm)
if (!is_batt_present(cm))
return false;
- if (cm->fuel_gauge && desc->fullbatt_full_capacity > 0) {
+ fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
+ if (!fuel_gauge)
+ return false;
+
+ if (desc->fullbatt_full_capacity > 0) {
val.intval = 0;
/* Not full if capacity of fuel gauge isn't full */
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
+ ret = fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_CHARGE_FULL, &val);
if (!ret && val.intval > desc->fullbatt_full_capacity)
return true;
@@ -273,10 +285,10 @@ static bool is_full_charged(struct charger_manager *cm)
}
/* Full, if the capacity is more than fullbatt_soc */
- if (cm->fuel_gauge && desc->fullbatt_soc > 0) {
+ if (desc->fullbatt_soc > 0) {
val.intval = 0;
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
+ ret = fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_CAPACITY, &val);
if (!ret && val.intval >= desc->fullbatt_soc)
return true;
@@ -551,6 +563,20 @@ static int check_charging_duration(struct charger_manager *cm)
return ret;
}
+static int cm_get_battery_temperature_by_psy(struct charger_manager *cm,
+ int *temp)
+{
+ struct power_supply *fuel_gauge;
+
+ fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
+ if (!fuel_gauge)
+ return -ENODEV;
+
+ return fuel_gauge->get_property(fuel_gauge,
+ POWER_SUPPLY_PROP_TEMP,
+ (union power_supply_propval *)temp);
+}
+
static int cm_get_battery_temperature(struct charger_manager *cm,
int *temp)
{
@@ -560,15 +586,18 @@ static int cm_get_battery_temperature(struct charger_manager *cm,
return -ENODEV;
#ifdef CONFIG_THERMAL
- ret = thermal_zone_get_temp(cm->tzd_batt, (unsigned long *)temp);
- if (!ret)
- /* Calibrate temperature unit */
- *temp /= 100;
-#else
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
- POWER_SUPPLY_PROP_TEMP,
- (union power_supply_propval *)temp);
+ if (cm->tzd_batt) {
+ ret = thermal_zone_get_temp(cm->tzd_batt, (unsigned long *)temp);
+ if (!ret)
+ /* Calibrate temperature unit */
+ *temp /= 100;
+ } else
#endif
+ {
+ /* if-else continued from CONFIG_THERMAL */
+ ret = cm_get_battery_temperature_by_psy(cm, temp);
+ }
+
return ret;
}
@@ -827,6 +856,7 @@ static int charger_get_property(struct power_supply *psy,
struct charger_manager *cm = container_of(psy,
struct charger_manager, charger_psy);
struct charger_desc *desc = cm->desc;
+ struct power_supply *fuel_gauge;
int ret = 0;
int uV;
@@ -857,14 +887,20 @@ static int charger_get_property(struct power_supply *psy,
ret = get_batt_uV(cm, &val->intval);
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
+ fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
+ if (!fuel_gauge) {
+ ret = -ENODEV;
+ break;
+ }
+ ret = fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_CURRENT_NOW, val);
break;
case POWER_SUPPLY_PROP_TEMP:
case POWER_SUPPLY_PROP_TEMP_AMBIENT:
return cm_get_battery_temperature(cm, &val->intval);
case POWER_SUPPLY_PROP_CAPACITY:
- if (!cm->fuel_gauge) {
+ fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
+ if (!fuel_gauge) {
ret = -ENODEV;
break;
}
@@ -875,7 +911,7 @@ static int charger_get_property(struct power_supply *psy,
break;
}
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
+ ret = fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_CAPACITY, val);
if (ret)
break;
@@ -924,7 +960,14 @@ static int charger_get_property(struct power_supply *psy,
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
if (is_charging(cm)) {
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
+ fuel_gauge = power_supply_get_by_name(
+ cm->desc->psy_fuel_gauge);
+ if (!fuel_gauge) {
+ ret = -ENODEV;
+ break;
+ }
+
+ ret = fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_CHARGE_NOW,
val);
if (ret) {
@@ -1486,14 +1529,15 @@ err:
return ret;
}
-static int cm_init_thermal_data(struct charger_manager *cm)
+static int cm_init_thermal_data(struct charger_manager *cm,
+ struct power_supply *fuel_gauge)
{
struct charger_desc *desc = cm->desc;
union power_supply_propval val;
int ret;
/* Verify whether fuel gauge provides battery temperature */
- ret = cm->fuel_gauge->get_property(cm->fuel_gauge,
+ ret = fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_TEMP, &val);
if (!ret) {
@@ -1503,8 +1547,6 @@ static int cm_init_thermal_data(struct charger_manager *cm)
cm->desc->measure_battery_temp = true;
}
#ifdef CONFIG_THERMAL
- cm->tzd_batt = cm->fuel_gauge->tzd;
-
if (ret && desc->thermal_zone) {
cm->tzd_batt =
thermal_zone_get_zone_by_name(desc->thermal_zone);
@@ -1667,6 +1709,7 @@ static int charger_manager_probe(struct platform_device *pdev)
int ret = 0, i = 0;
int j = 0;
union power_supply_propval val;
+ struct power_supply *fuel_gauge;
if (g_desc && !rtc_dev && g_desc->rtc_name) {
rtc_dev = rtc_class_open(g_desc->rtc_name);
@@ -1745,8 +1788,8 @@ static int charger_manager_probe(struct platform_device *pdev)
}
}
- cm->fuel_gauge = power_supply_get_by_name(desc->psy_fuel_gauge);
- if (!cm->fuel_gauge) {
+ fuel_gauge = power_supply_get_by_name(desc->psy_fuel_gauge);
+ if (!fuel_gauge) {
dev_err(&pdev->dev, "Cannot find power supply \"%s\"\n",
desc->psy_fuel_gauge);
return -ENODEV;
@@ -1789,13 +1832,13 @@ static int charger_manager_probe(struct platform_device *pdev)
cm->charger_psy.num_properties = psy_default.num_properties;
/* Find which optional psy-properties are available */
- if (!cm->fuel_gauge->get_property(cm->fuel_gauge,
+ if (!fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_CHARGE_NOW, &val)) {
cm->charger_psy.properties[cm->charger_psy.num_properties] =
POWER_SUPPLY_PROP_CHARGE_NOW;
cm->charger_psy.num_properties++;
}
- if (!cm->fuel_gauge->get_property(cm->fuel_gauge,
+ if (!fuel_gauge->get_property(fuel_gauge,
POWER_SUPPLY_PROP_CURRENT_NOW,
&val)) {
cm->charger_psy.properties[cm->charger_psy.num_properties] =
@@ -1803,7 +1846,7 @@ static int charger_manager_probe(struct platform_device *pdev)
cm->charger_psy.num_properties++;
}
- ret = cm_init_thermal_data(cm);
+ ret = cm_init_thermal_data(cm, fuel_gauge);
if (ret) {
dev_err(&pdev->dev, "Failed to initialize thermal data\n");
cm->desc->measure_battery_temp = false;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 14:36:00 +0000