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/freebsd/sys/dev/usb/
H A Dusb_transfer.c3694 uint32_t frame_min, uint32_t frame_ms, uint32_t frame_mask, uint32_t *p_frame_start) in usbd_xfer_get_isochronous_start_frame() argument
3710 delta < (frame_ms + frame_min) || in usbd_xfer_get_isochronous_start_frame()
3713 xfer->endpoint->isoc_next = (frame_curr + 2 * frame_ms + frame_min) & frame_mask; in usbd_xfer_get_isochronous_start_frame()
3726 delta = xfer->endpoint->isoc_next - frame_curr + (frame_curr % frame_ms); in usbd_xfer_get_isochronous_start_frame()
3728 delta /= frame_ms; in usbd_xfer_get_isochronous_start_frame()
3744 usb_isoc_time_expand(xfer->xroot->bus, frame_curr / frame_ms) + in usbd_xfer_get_isochronous_start_frame()
3748 xfer->endpoint->isoc_next += duration * frame_ms; in usbd_xfer_get_isochronous_start_frame()