@@ -20,6 +20,7 @@ enum ucsi_psy_online_states {
};
static enum power_supply_property ucsi_psy_props[] = {
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
POWER_SUPPLY_PROP_USB_TYPE,
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_VOLTAGE_MIN,
@@ -194,6 +195,30 @@ static int ucsi_psy_get_usb_type(struct ucsi_connector *con,
return 0;
}
+static int ucsi_psy_get_charge_type(struct ucsi_connector *con, union power_supply_propval *val)
+{
+ if (!(con->status.flags & UCSI_CONSTAT_CONNECTED) ||
+ (con->status.flags & UCSI_CONSTAT_PWR_DIR) != TYPEC_SINK) {
+ val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;
+ return 0;
+ }
+
+ switch (UCSI_CONSTAT_BC_STATUS(con->status.pwr_status)) {
+ case UCSI_CONSTAT_BC_NOMINAL_CHARGING:
+ val->intval = POWER_SUPPLY_CHARGE_TYPE_STANDARD;
+ break;
+ case UCSI_CONSTAT_BC_SLOW_CHARGING:
+ case UCSI_CONSTAT_BC_TRICKLE_CHARGING:
+ val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+ break;
+ default:
+ val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;
+ break;
+ }
+
+ return 0;
+}
+
static int ucsi_psy_get_prop(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
@@ -201,6 +226,8 @@ static int ucsi_psy_get_prop(struct power_supply *psy,
struct ucsi_connector *con = power_supply_get_drvdata(psy);
switch (psp) {
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ return ucsi_psy_get_charge_type(con, val);
case POWER_SUPPLY_PROP_USB_TYPE:
return ucsi_psy_get_usb_type(con, val);
case POWER_SUPPLY_PROP_ONLINE:
@@ -1257,6 +1257,9 @@ static void ucsi_handle_connector_change(struct work_struct *work)
if (con->status.change & UCSI_CONSTAT_CAM_CHANGE)
ucsi_partner_task(con, ucsi_check_altmodes, 1, HZ);
+ if (con->status.change & UCSI_CONSTAT_BC_CHANGE)
+ ucsi_port_psy_changed(con);
+
out_unlock:
mutex_unlock(&con->lock);
}
UCSI has this information in the Battery Charging Capability Status, so making it available for the user. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> --- drivers/usb/typec/ucsi/psy.c | 27 +++++++++++++++++++++++++++ drivers/usb/typec/ucsi/ucsi.c | 3 +++ 2 files changed, 30 insertions(+)