Re: [PATCH v4 17/20] extcon: intel-cht-wc: Support devs with Micro-B / USB-2 only Type-C connectors

Andy Shevchenko
2022-01-31T13:55:23Z

On Sun, Jan 30, 2022 at 09:45:54PM +0100, Hans de Goede wrote:
> So far the extcon-intel-cht-wc code has only been tested on devices with
> a Type-C connector with USB-PD, USB3 (superspeed) and DP-altmode support
> through a FUSB302 Type-C controller.
>
> Some devices with the intel-cht-wc PMIC however come with an USB-micro-B
> connector, or an USB-2 only Type-C connector without USB-PD.
>
> Which device-model we are running on can be identified with the new
> cht_wc_model intel_soc_pmic field. On models without a Type-C controller
> the extcon code must control the Vbus 5V boost converter and the USB role
> switch depending on the detected cable-type.

...

> + if (ext->vbus_boost && ext->vbus_boost_enabled != enable) {
> + if (enable)
> + ret = regulator_enable(ext->vbus_boost);
> + else
> + ret = regulator_disable(ext->vbus_boost);

> + if (ret == 0)
> + ext->vbus_boost_enabled = enable;
> + else
> + dev_err(ext->dev, "Error updating Vbus boost regulator: %d\n", ret);

Can we go with

if (ret)
dev_err(ext->dev, "Error updating Vbus boost regulator: %d\n", ret);
else
ext->vbus_boost_enabled = enable;

?

> + }

--
With Best Regards,
Andy Shevchenko