RTSX_SD_VPCLK0_CTL
RTSX_CLR(sc, RTSX_SD_VPCLK0_CTL, RTSX_PHASE_NOT_RESET);
RTSX_BITOP(sc, RTSX_SD_VPCLK0_CTL, RTSX_PHASE_NOT_RESET, RTSX_PHASE_NOT_RESET);
rtsx_write(sc, RTSX_SD_VPCLK0_CTL, RTSX_PHASE_SELECT_MASK, sample_point);
rtsx_write(sc, RTSX_SD_VPCLK0_CTL, RTSX_PHASE_NOT_RESET, 0);
rtsx_write(sc, RTSX_SD_VPCLK0_CTL, RTSX_PHASE_NOT_RESET, RTSX_PHASE_NOT_RESET);