USB gadget mode in laptop

[Susanoo Tux]

On Thu, Aug 4, 2016 at 11:34 PM, Dave Hylands <dhylands at gmail.com> wrote:

>
> On Thu, Aug 4, 2016 at 10:54 AM, Susanoo Tux <susanootux at gmail.com> wrote:
>
>>
>>
>> On Thu, Aug 4, 2016 at 11:18 PM, Dave Hylands <dhylands at gmail.com> wrote:
>>
>>>
>>> On Thu, Aug 4, 2016 at 10:45 AM, Susanoo Tux <susanootux at gmail.com>
>>> wrote:
>>>
>>>>
>>>>
>>>> On Thu, Aug 4, 2016 at 10:38 PM, Dave Hylands <dhylands at gmail.com>
>>>> wrote:
>>>>
>>>>>
>>>>> ...snip...
>>>
>>>> Checkout Documentation/usb (in your kernel source tree). You'll find a
>>>>> bunch of files starting with the word gadget which describe the various
>>>>> gadget drivers and how to use them.
>>>>>
>>>> ...snip...
>>>
>>>>
>>>> Thanks for the reference, I gone through the configfs. And tried
>>>> creating it, but
>>>> it's not working. I am using x86, is that configfs method configures
>>>> the usb
>>>> controllers to behave a device ? because nothing is there
>>>> in /sys/class/udc/.
>>>>
>>>
>>> Yes - it requires that the USB controller be able to behave as a device.
>>> I've only used this on SoC's that had that capability (like gumstix or
>>> BeagleBone) and not on a desktop.
>>>
>>> --
>>> Dave Hylands
>>> Shuswap, BC, Canada
>>> http://www.davehylands.com
>>>
>>
>> Yes, I can see the error in dmesg "couldn't find an available UDC - added
>> [g1] to list of pending drivers" :(.
>>
>> But I didn't get the meaning of this. May be one basic question, how to
>> check whether my desktop supports device/gadget mode?
>>
>
> It's been a while since I worked on this stuff, but I seem to recall that
> you need a USB device that supports OTG (On-The-Go). I believe that you can
> get PCI cards that support USB OTG. I suspect the USB hosts builtin to most
> x86 motherboards don't support it. But that's the feature you need to look
> for.
>
> --
> Dave Hylands
> Shuswap, BC, Canada
> http://www.davehylands.com
>

Oh yes, Something like this might be helpful
http://www.asix.com.tw/products.php?op=pItemdetail&PItemID=124;74;110&

Thanks Dave :)..
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