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path: root/drivers/power/supply/cw2015_battery.c
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Diffstat (limited to 'drivers/power/supply/cw2015_battery.c')
-rw-r--r--drivers/power/supply/cw2015_battery.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c
index 0c87ad0dbf71..0806abea2372 100644
--- a/drivers/power/supply/cw2015_battery.c
+++ b/drivers/power/supply/cw2015_battery.c
@@ -21,6 +21,7 @@
#include <linux/regmap.h>
#include <linux/time.h>
#include <linux/workqueue.h>
+#include <linux/devm-helpers.h>
#define CW2015_SIZE_BATINFO 64
@@ -490,7 +491,7 @@ static int cw_battery_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
if (cw_battery_valid_time_to_empty(cw_bat))
- val->intval = cw_bat->time_to_empty;
+ val->intval = cw_bat->time_to_empty * 60;
else
val->intval = 0;
break;
@@ -505,10 +506,7 @@ static int cw_battery_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_CHARGE_FULL:
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
- if (cw_bat->battery->charge_full_design_uah > 0)
- val->intval = cw_bat->battery->charge_full_design_uah;
- else
- val->intval = 0;
+ val->intval = max(cw_bat->battery->charge_full_design_uah, 0);
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
@@ -689,7 +687,7 @@ static int cw_bat_probe(struct i2c_client *client)
if (ret) {
/* Allocate an empty battery */
cw_bat->battery = devm_kzalloc(&client->dev,
- sizeof(cw_bat->battery),
+ sizeof(*cw_bat->battery),
GFP_KERNEL);
if (!cw_bat->battery)
return -ENOMEM;
@@ -698,7 +696,16 @@ static int cw_bat_probe(struct i2c_client *client)
}
cw_bat->battery_workqueue = create_singlethread_workqueue("rk_battery");
- INIT_DELAYED_WORK(&cw_bat->battery_delay_work, cw_bat_work);
+ if (!cw_bat->battery_workqueue)
+ return -ENOMEM;
+
+ ret = devm_delayed_work_autocancel(&client->dev, &cw_bat->battery_delay_work, cw_bat_work);
+ if (ret) {
+ dev_err_probe(&client->dev, ret,
+ "Failed to register delayed work\n");
+ return ret;
+ }
+
queue_delayed_work(cw_bat->battery_workqueue,
&cw_bat->battery_delay_work, msecs_to_jiffies(10));
return 0;
@@ -725,17 +732,8 @@ static int __maybe_unused cw_bat_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(cw_bat_pm_ops, cw_bat_suspend, cw_bat_resume);
-static int cw_bat_remove(struct i2c_client *client)
-{
- struct cw_battery *cw_bat = i2c_get_clientdata(client);
-
- cancel_delayed_work_sync(&cw_bat->battery_delay_work);
- power_supply_put_battery_info(cw_bat->rk_bat, cw_bat->battery);
- return 0;
-}
-
static const struct i2c_device_id cw_bat_id_table[] = {
- { "cw2015", 0 },
+ { "cw2015" },
{ }
};
@@ -751,8 +749,7 @@ static struct i2c_driver cw_bat_driver = {
.of_match_table = cw2015_of_match,
.pm = &cw_bat_pm_ops,
},
- .probe_new = cw_bat_probe,
- .remove = cw_bat_remove,
+ .probe = cw_bat_probe,
.id_table = cw_bat_id_table,
};