SILI_PREG_PSS
if (!sili_pwait_eq(sp, SILI_PREG_PSS, (1 << 0), 0, 1000)) {
rc = sili_pwait_eq(sp, SILI_PREG_PSS, (1 << 0), 0, 1000);
pss_saved = sili_pread(sp, SILI_PREG_PSS); /* reading acks CMDCOMP */