ST1202_MILLIS_PATTERN_DUR_MIN
ret = st1202_duration_pattern_write(chip, patt, ST1202_MILLIS_PATTERN_DUR_MIN);
if (pattern[patt].delta_t < ST1202_MILLIS_PATTERN_DUR_MIN ||
return value / ST1202_MILLIS_PATTERN_DUR_MIN - 1;