BM_SAIF_CTRL_BITCLK_EDGE
scr0 = scr0 & ~BM_SAIF_CTRL_BITCLK_EDGE & ~BM_SAIF_CTRL_LRCLK_POLARITY \
scr |= BM_SAIF_CTRL_BITCLK_EDGE;
scr |= BM_SAIF_CTRL_BITCLK_EDGE;
scr &= ~BM_SAIF_CTRL_BITCLK_EDGE;
scr &= ~BM_SAIF_CTRL_BITCLK_EDGE;