Hi, Wesley Cheng <wcheng@xxxxxxxxxxxxxx> 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