diff options
| -rw-r--r-- | drivers/power/charger-manager.c | 15 | ||||
| -rw-r--r-- | include/linux/power/charger-manager.h | 8 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c index d1e99e7957d2..526e5c931294 100644 --- a/drivers/power/charger-manager.c +++ b/drivers/power/charger-manager.c @@ -1001,6 +1001,21 @@ static void charger_extcon_work(struct work_struct *work) { struct charger_cable *cable = container_of(work, struct charger_cable, wq); + int ret; + + if (cable->attached && cable->min_uA != 0 && cable->max_uA != 0) { + ret = regulator_set_current_limit(cable->charger->consumer, + cable->min_uA, cable->max_uA); + if (ret < 0) { + pr_err("Cannot set current limit of %s (%s)\n", + cable->charger->regulator_name, cable->name); + return; + } + + pr_info("Set current limit of %s : %duA ~ %duA\n", + cable->charger->regulator_name, + cable->min_uA, cable->max_uA); + } try_charger_enable(cable->cm, cable->attached); } diff --git a/include/linux/power/charger-manager.h b/include/linux/power/charger-manager.h index 6cb9fbc9a153..cd22029e32aa 100644 --- a/include/linux/power/charger-manager.h +++ b/include/linux/power/charger-manager.h @@ -94,6 +94,14 @@ struct charger_cable { bool attached; struct charger_regulator *charger; + + /* + * Set min/max current of regulator to protect over-current issue + * according to a kind of charger cable when cable is attached. + */ + int min_uA; + int max_uA; + struct charger_manager *cm; }; |