VT1724_PRODIGY192_CCLK
gpio &= ~VT1724_PRODIGY192_CCLK;
gpio |= VT1724_PRODIGY192_CCLK;
gpio &= ~VT1724_PRODIGY192_CCLK;
gpio |= VT1724_PRODIGY192_CCLK;
tmp |= VT1724_PRODIGY192_CCLK; /* high at init */