W_B_FIFO_THRESH
W_B_FIFO_THRESH);
count = W_B_FIFO_THRESH;
if (count > W_B_FIFO_THRESH)
count = W_B_FIFO_THRESH;
(W_B_FIFO_THRESH - 1);
count = W_B_FIFO_THRESH;
W6692_empty_Bfifo(wch, W_B_FIFO_THRESH);