@@ -498,6 +498,7 @@ int power_supply_get_battery_info(struct power_supply *psy,
info->energy_full_design_uwh = -EINVAL;
info->charge_full_design_uah = -EINVAL;
info->voltage_min_design_uv = -EINVAL;
+ info->constant_charge_current_ua = -EINVAL;
if (!psy->of_node) {
dev_warn(&psy->dev, "%s currently only supports devicetree\n",
@@ -522,6 +523,8 @@ int power_supply_get_battery_info(struct power_supply *psy,
&info->charge_full_design_uah);
of_property_read_u32(battery_np, "voltage-min-design-microvolt",
&info->voltage_min_design_uv);
+ of_property_read_u32(battery_np, "constant-charge-current-microamp",
+ &info->constant_charge_current_ua);
return 0;
}
@@ -301,6 +301,7 @@ struct power_supply_battery_info {
int energy_full_design_uwh; /* microWatt-hours */
int charge_full_design_uah; /* microAmp-hours */
int voltage_min_design_uv; /* microVolts */
+ int constant_charge_current_ua; /* microAmps */
};
extern struct atomic_notifier_head power_supply_notifier;
This adds the constant-current-charge property to the list of optional properties for the battery. The constant charge current is critical for batteries as they can't handle all charge currents. Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> --- added in v3 drivers/power/supply/power_supply_core.c | 3 +++ include/linux/power_supply.h | 1 + 2 files changed, 4 insertions(+)