FBC_CTRL_TIME
fbc |= FBC_CTRL_VENAB | FBC_CTRL_TIME;
fbc &= ~FBC_CTRL_TIME;
if (ctrl & FBC_CTRL_TIME) {
FBC_CTRL_TIME;
fbc |= FBC_CTRL_VENAB | FBC_CTRL_TIME;
fbc &= ~FBC_CTRL_TIME;