Re: [PATCH v2 5/8] usb: typec: Use Thunderbolt 3 cable discover mode VDO in Enter_USB message

Prashant Malani
2020-11-18T00:45:01Z

On Tue, Nov 17, 2020 at 1:16 PM Prashant Malani <pmalani@chromium.org> wrote:
>
> Hi Utkarsh,
>
> On Fri, Nov 13, 2020 at 12:25:00PM -0800, Utkarsh Patel wrote:
> > USB4 also uses same cable properties as Thunderbolt 3 so use Thunderbolt 3
> > cable discover mode VDO to fill details such as active cable plug link
> > training and cable rounded support.

On digging into the Cros EC code further, sounds like active cable
link training and cable rounded are necessarily only part of
cables that have a TBT cable VDO, so sounds like the approach in the
patch is fine.

Sorry for the noise.

Best regards,

-Prashant