On Mon, Jul 03, 2017 at 02:07:15PM +0800, Baolin Wang wrote:
> Integrate with the newly added USB charger interface to limit the current
> we draw from the USB input based on the input device configuration
> identified by the USB stack, allowing us to charge more quickly from high
> current inputs without drawing more current than specified from others.
>
> Signed-off-by: Mark Brown <broo...@kernel.org>
> Signed-off-by: Baolin Wang <baolin.w...@linaro.org>
> ---
<snip>
> /*********************************************************************
> * Battery properties
> *********************************************************************/
> @@ -607,6 +647,22 @@ static int wm831x_power_probe(struct platform_device
> *pdev)
> }
> }
>
> + power->usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev,
> + "usb-phy", 0);
> + if (IS_ERR(power->usb_phy)) {
> + ret = PTR_ERR(power->usb_phy);
> + dev_err(&pdev->dev, "Failed to find USB phy: %d\n", ret);
> + goto err_bat_irq;
> + }
> +
We should probably update the binding documentation for this as
well: mfd/wm831x.txt
Also I am not sure this needs to be implemented now, but what is
the plan regarding pdata systems? Generally the driver supports
both and it would be nice to know there is a way forward for that
even if we don't implement it yet.
Thanks,
Charles
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