[PATCH] Documentation: usbgadget: provide autostart notes

[Yegor Yefremov]

Hi Oleksij,

On Fri, May 5, 2017 at 1:42 PM, Oleksij Rempel <o.rempel at pengutronix.de> wrote:
> The usbgadget autostart funktionality is already added. Not it's
> time to reflect it in the documentation.
>
> Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
> ---
>  Documentation/user/usb.rst | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
>
> diff --git a/Documentation/user/usb.rst b/Documentation/user/usb.rst
> index bbcb045cee..ad7f8ab54f 100644
> --- a/Documentation/user/usb.rst
> +++ b/Documentation/user/usb.rst
> @@ -195,6 +195,25 @@ USB CDC ACM compliant serial device.
>  Unlike the :ref:`command_dfu` command the ``usbgadget`` command returns immediately
>  after creating the gadget. The gadget can be removed with ``usbgadget -d``.
>
> +USB Gadget autostart Support
> +----------------------------
> +
> +Barebox can be configured to start usbgadget automatically by using global variables,
> +instead of creating boot script. This can be usefoul if autostart policy should be

s/usefoul /useful

Yegor

> +chosen at boot time from other driver or script.
> +To get usbgadget autostart support barebox has to be compiled with
> +CONFIG_USB_GADGET_AUTOSTART enabled.
> +
> +USB Gadget autostart Options
> +^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> +
> +``global.usbgadget.autostart``
> +  Boolean flag. If set to 1, usbgadget will be started automatically on boot.
> +``global.usbgadget.acm``
> +  Boolean flag. If set to 1, CDC ACM function will be created. See :ref:`command_usbgadget` -a.
> +``global.usbgadget.acm``
> +  Function description for fastboot. See :ref:`command_usbgadget` -A <desc>.
> +
>  USB OTG support
>  ---------------
>
> --
> 2.11.0
>
>
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