SUN6I_LOSC_CTRL_EXT_OSC
reg |= SUN6I_LOSC_CTRL_EXT_OSC | sc->sc_conf->ext_losc_en;
if (RTC_READ(sc, SUN6I_LOSC_CTRL_REG) & SUN6I_LOSC_CTRL_EXT_OSC)
reg |= SUN6I_LOSC_CTRL_EXT_OSC | sc->sc_conf->ext_losc_en;
reg &= ~(SUN6I_LOSC_CTRL_EXT_OSC | sc->sc_conf->ext_losc_en);
if (reg & SUN6I_LOSC_CTRL_EXT_OSC)