STK1160_SICTL
rc = stk1160_write_reg(dev, STK1160_SICTL, 0x20);
rc = stk1160_write_reg(dev, STK1160_SICTL, 0x20);
stk1160_read_reg(dev, STK1160_SICTL+1, &flag);
rc = stk1160_write_reg(dev, STK1160_SICTL, 0x01);