Re: [PATCH v3 09/11] power: supply: bq24190_charger: Get input_current_limit from our supplier

[Tony Lindgren]

* 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>