cis_convert_devspeed
retcode = (void *)(uintptr_t)cis_convert_devspeed(
(void) cis_convert_devspeed(&convert_speed);
(void) cis_convert_devspeed(&convert_speed);
(void) cis_convert_devspeed(&convert_speed);
(void) cis_convert_devspeed(&convert_speed);
uint32_t cis_convert_devspeed(convert_speed_t *);