NPHY_IqestCmd_iqstart
mod_phy_reg(pi, 0x129, NPHY_IqestCmd_iqstart, NPHY_IqestCmd_iqstart);
SPINWAIT(((read_phy_reg(pi, 0x129) & NPHY_IqestCmd_iqstart) != 0),
if (WARN(read_phy_reg(pi, 0x129) & NPHY_IqestCmd_iqstart,
if ((read_phy_reg(pi, 0x129) & NPHY_IqestCmd_iqstart) == 0) {