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/Linux-v5.15/drivers/media/test-drivers/vivid/
Dvivid-kthread-cap.c661 u64 f_period; in vivid_cap_update_frame_period() local
663 f_period = (u64)dev->timeperframe_vid_cap.numerator * 1000000000; in vivid_cap_update_frame_period()
666 do_div(f_period, dev->timeperframe_vid_cap.denominator); in vivid_cap_update_frame_period()
668 f_period >>= 1; in vivid_cap_update_frame_period()
673 dev->cap_frame_eof_offset = f_period * 9; in vivid_cap_update_frame_period()
675 dev->cap_frame_period = f_period; in vivid_cap_update_frame_period()