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

Sebastian Reichel sebastian.reichel at collabora.co.uk
Wed Aug 30 16:32:54 UTC 2017


Hi,

On Wed, Aug 30, 2017 at 07:47:46AM -0700, Tony Lindgren wrote:
> * Hans de Goede <hdegoede at redhat.com> [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 at redhat.com>
> 
> Acked-by: Tony Lindgren <tony at atomide.com>

Thanks, queued.

-- Sebastian
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