HWA742_NDP_CTRL
b = hwa742_read_reg(HWA742_NDP_CTRL);
hwa742_write_reg(HWA742_NDP_CTRL, b);
b = hwa742_read_reg(HWA742_NDP_CTRL);
hwa742_write_reg(HWA742_NDP_CTRL, b);
b = hwa742_read_reg(HWA742_NDP_CTRL);
hwa742_write_reg(HWA742_NDP_CTRL, b);