united states securities and exchange commission washington dc 20549 form 10 q quarterly report pursuant to section 13 or 15 d of the act 1934 for period ended september 25 2004 box3transition transition from file number 0 17795 cirrus logic inc exact name registrant as specified in its charter 2901 via fortuna austin texas 78746 address principal executive offices zip code s telephone including area 512 851 4000 indicate by check mark whether 1 has filed all reports required be during preceding 12 months such shorter that was 2 been subject filing requirements past 90 days yes no box3 is an accelerated filer defined rule 12b shares common stock 001 par value outstanding