RTW_CONFIG1
cfg1 = RTW_READ8(regs, RTW_CONFIG1);
RTW_WRITE8(regs, RTW_CONFIG1, cfg1);
config1 = RTW_READ8(&sc->sc_regs, RTW_CONFIG1);
RTW_WRITE8(&sc->sc_regs, RTW_CONFIG1, config1 & ~RTW_CONFIG1_PMEN);