S2255_READ_IDLE
vc->buffer.frame[j].ulState = S2255_READ_IDLE;
if (frm->ulState == S2255_READ_IDLE) {
frm->ulState = S2255_READ_IDLE;
if (frm->ulState == S2255_READ_IDLE) {
frm->ulState = S2255_READ_IDLE;