HDA_SD_CTL_SRST
STR_WRITE_2(this, CTL, ctl | HDA_SD_CTL_SRST);
if (ctl & HDA_SD_CTL_SRST)
STR_WRITE_2(this, CTL, ctl & ~HDA_SD_CTL_SRST);
if ((ctl & HDA_SD_CTL_SRST) == 0)