cx24227_close|cx24227_close
cx24227_enable|cx24227_enable
cx24227_get_dtv_status|cx24227_get_dtv_status
cx24227_get_signal|cx24227_get_signal
cx24227_open|cx24227_open
cx24227_set_modulation|cx24227_set_modulation
cxdtv_board_lookup|cxdtv_board_lookup