Re: Remote wakeup in USB gadget drivers

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On Mon, Jul 20, 2015 at 2:10 PM, Felipe Balbi <balbi@xxxxxx> wrote:
> On Mon, Jul 20, 2015 at 02:02:30PM -0500, Bin Liu wrote:
>> Hi,
>>
>> I was trying to understand how remote wakeup works in the gadget framework.
>>
>> It seems most UDC drivers define .wakeup() call, which is invoked by
>> usb_gadget_wakeup() wrapper. But none of the gadget drivers (except
>> g_zero) calls it. Does it mean the gadget framework does not support
>> remote wakeup or there is something I missed?
>>
>> By the way, I also found [1] which mentions remote wakeup is not
>> support in gadget, except g_zero.
>
> yeah, it needs to be added on a per-gadget basis.

So there is nothing preventing to add the feature, it was not in there
(yet) only because no one really wanted it, right?

Thanks,
-Bin.

>
> --
> balbi
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