* Hans de Goede <hdegoede@xxxxxxxxxx> [170830 02:49]: > On some devices the USB Type-C port power (USB PD 2.0) negotiation is > done by a separate port-controller IC, while the current limit is > controlled through another (charger) IC. > > It has been decided to model this by modelling the external Type-C > power brick (adapter/charger) as a power-supply class device which > supplies the charger-IC, with its voltage-now and current-max representing > the negotiated voltage and max current draw. > > This commit adds support for this to the bq24190_charger driver by adding > an external_power_changed callback and calling > power_supply_set_input_current_limit_from_supplier from this callback. > This callback will only get called if the bq24190 has a parent-supply. > > Note this replaces the functionality to get the current-limit from an > extcon device, which will be removed in a follow-up commit. > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
