USB Gadget API for Linux | ||
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Use this when responding to the standard usb "set interface" request, for endpoints that aren't reconfigured, after clearing any other state in the endpoint's i/o queue.
Returns zero, or a negative error code. On success, this call clears the underlying hardware state reflecting endpoint halt and data toggle. Note that some hardware can't support this request (like pxa2xx_udc), and accordingly can't correctly implement interface altsettings.
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usb_ep_set_halt | Up | usb_ep_fifo_status |