Messages in this thread | | | From | Felipe Balbi <> | Subject | Re: [PATCH 2/3] usb: gadget: composite: Split composite reset and disconnect | Date | Tue, 05 Jan 2021 15:14:24 +0200 |
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Hi,
Wesley Cheng <wcheng@codeaurora.org> writes: > +void composite_reset(struct usb_gadget *gadget) > +{ > + /* > + * Section 1.4.13 Standard Downstream Port of the USB battery charging > + * specification v1.2 states that a device connected on a SDP shall only > + * draw at max 100mA while in a connected, but unconfigured state.
The requirements are different, though. I think OTG spec has some extra requirements where only 8mA can be drawn max. You need to check for the otg flag. Moreover, USB3+ spec has units of 150mA meaning the device can't draw 100mA (IIRC).
-- balbi
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