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

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Message-ID: <49f6f8b2-3fdc-7d4e-93b6-73e58bcf9599@samsung.com>
Date:   Thu, 16 Dec 2021 11:54:25 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Hans de Goede <hdegoede@...hat.com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Mark Gross <markgross@...nel.org>,
        Andy Shevchenko <andy@...radead.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Ard Biesheuvel <ardb@...nel.org>
Cc:     Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
        Yauhen Kharuzhy <jekhor@...il.com>,
        Tsuchiya Yuto <kitakar@...il.com>,
        platform-driver-x86@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org
Subject: Re: [PATCH v4 17/20] extcon: intel-cht-wc: Support devs with
 Micro-B / USB-2 only Type-C connectors

On 12/6/21 6:33 PM, 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.
> 
> Signed-off-by: Hans de Goede <hdegoede@...hat.com>
> ---
> Changes in v3:
> - Some minor tweaks / spelling fixes based on Andy's review
> ---
>  drivers/extcon/Kconfig               |  2 +
>  drivers/extcon/extcon-intel-cht-wc.c | 91 ++++++++++++++++++++++++++++
>  2 files changed, 93 insertions(+)

[snip]

Acked-by: Chanwoo Choi <cw00.choi@...sung.com>

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics