usb: dwc3: gadget: Report isoc transfer frame number
Implement the new frame_number API to report the isochronous interval frame number. This patch checks and reports the interval in which the isoc transfer was transmitted or received via the Isoc-First TRB SOF number field. Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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