linux-kernel - Re: [PATCH v2 0/4] usb: dwc3: dual-role support

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Date:   Tue, 28 Mar 2017 13:27:14 +0300
From:   Felipe Balbi <balbi@...nel.org>
To:     Roger Quadros <rogerq@...com>
Cc:     vivek.gautam@...eaurora.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Roger Quadros <rogerq@...com>
Subject: Re: [PATCH v2 0/4] usb: dwc3: dual-role support

Roger Quadros <rogerq@...com> writes:

> Hi,
>
> We rely on the OTG controller block or Extcon to provide us with
> VBUS and ID line status via an interrupt.
>
> This is then used to switch the controller between host, peripheral
> and idle roles based on the following table.
>
>     ID  VBUS    dual-role state
>     --  ----    ---------------
>     0   x       A_HOST - Host controller active
>     1   0       B_IDLE - Both Host and Gadget controllers inactive
>     1   1       B_PERIPHERAL - Gadget controller active
>
> Series depends on
> [1] dwc3 trivial fixes - https://lkml.org/lkml/2017/2/15/204

right, you never sent v2 of that though, did you? :-s -ECONFUSED

-- 
balbi

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