summaryrefslogtreecommitdiffstats
path: root/drivers/power/abx500_chargalg.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/power/abx500_chargalg.c')
-rw-r--r--drivers/power/abx500_chargalg.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/power/abx500_chargalg.c b/drivers/power/abx500_chargalg.c
index 8b69da0..78b6235 100644
--- a/drivers/power/abx500_chargalg.c
+++ b/drivers/power/abx500_chargalg.c
@@ -33,9 +33,6 @@
/* End-of-charge criteria counter */
#define EOC_COND_CNT 10
-/* Recharge criteria counter */
-#define RCH_COND_CNT 3
-
#define to_abx500_chargalg_device_info(x) container_of((x), \
struct abx500_chargalg, chargalg_psy);
@@ -196,7 +193,6 @@ enum maxim_ret {
* @dev: pointer to the structure device
* @charge_status: battery operating status
* @eoc_cnt: counter used to determine end-of_charge
- * @rch_cnt: counter used to determine start of recharge
* @maintenance_chg: indicate if maintenance charge is active
* @t_hyst_norm temperature hysteresis when the temperature has been
* over or under normal limits
@@ -223,7 +219,6 @@ struct abx500_chargalg {
struct device *dev;
int charge_status;
int eoc_cnt;
- int rch_cnt;
bool maintenance_chg;
int t_hyst_norm;
int t_hyst_lowhigh;
@@ -858,6 +853,7 @@ static int abx500_chargalg_get_ext_psy_data(struct device *dev, void *data)
union power_supply_propval ret;
int i, j;
bool psy_found = false;
+ bool capacity_updated = false;
psy = (struct power_supply *)data;
ext = dev_get_drvdata(dev);
@@ -870,6 +866,16 @@ static int abx500_chargalg_get_ext_psy_data(struct device *dev, void *data)
if (!psy_found)
return 0;
+ /*
+ * If external is not registering 'POWER_SUPPLY_PROP_CAPACITY' to its
+ * property because of handling that sysfs entry on its own, this is
+ * the place to get the battery capacity.
+ */
+ if (!ext->get_property(ext, POWER_SUPPLY_PROP_CAPACITY, &ret)) {
+ di->batt_data.percent = ret.intval;
+ capacity_updated = true;
+ }
+
/* Go through all properties for the psy */
for (j = 0; j < ext->num_properties; j++) {
enum power_supply_property prop;
@@ -1154,7 +1160,8 @@ static int abx500_chargalg_get_ext_psy_data(struct device *dev, void *data)
}
break;
case POWER_SUPPLY_PROP_CAPACITY:
- di->batt_data.percent = ret.intval;
+ if (!capacity_updated)
+ di->batt_data.percent = ret.intval;
break;
default:
break;
@@ -1424,16 +1431,13 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
case STATE_WAIT_FOR_RECHARGE_INIT:
abx500_chargalg_hold_charging(di);
abx500_chargalg_state_to(di, STATE_WAIT_FOR_RECHARGE);
- di->rch_cnt = RCH_COND_CNT;
/* Intentional fallthrough */
case STATE_WAIT_FOR_RECHARGE:
- if (di->batt_data.volt <=
- di->bm->bat_type[di->bm->batt_id].recharge_vol) {
- if (di->rch_cnt-- == 0)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
- } else
- di->rch_cnt = RCH_COND_CNT;
+ if (di->batt_data.percent <=
+ di->bm->bat_type[di->bm->batt_id].
+ recharge_cap)
+ abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_MAINTENANCE_A_INIT:
OpenPOWER on IntegriCloud