Re: disable VBUS?

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>> Can I disable VBUS while keeping the rest of USB functional for a
>> device that does not require bus power?
>
> unfortunately not, your device would see a disconnection. The reason is
> that even though you don't really put any load on the bus, the PHY still
> samples VBUS levels to know when the session is valid (VBUS > 4.4V).


Is that part of the USB spec or is it a Linux driver convention?

- Grant
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