On Thu, Aug 4, 2016 at 10:54 AM, Susanoo Tux [off-list ref] wrote:

On Thu, Aug 4, 2016 at 11:18 PM, Dave Hylands [off-list ref] wrote:

quoted

On Thu, Aug 4, 2016 at 10:45 AM, Susanoo Tux [off-list ref]
wrote:

quoted

On Thu, Aug 4, 2016 at 10:38 PM, Dave Hylands [off-list ref]
wrote:

quoted

...snip...

quoted

Checkout Documentation/usb (in your kernel source tree). You'll find a

quoted

bunch of files starting with the word gadget which describe the various
gadget drivers and how to use them.

...snip...

quoted

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
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