CONFIG1_POWERDOWN
lanai->conf1 &= ~CONFIG1_POWERDOWN;
lanai->conf1 |= CONFIG1_POWERDOWN;
if (lanai->conf1 & CONFIG1_POWERDOWN)
if (unlikely(lanai->conf1 & CONFIG1_POWERDOWN))
lanai->conf1 &= ~(CONFIG1_GPOUT1 | CONFIG1_POWERDOWN |
lanai->conf1 |= CONFIG1_POWERDOWN;
lanai->conf1 = reg_read(lanai, Config1_Reg) | CONFIG1_POWERDOWN;
lanai->conf1 = reg_read(lanai, Config1_Reg) & ~CONFIG1_POWERDOWN;
lanai->conf1 |= CONFIG1_POWERDOWN;
if (unlikely((lanai->conf1 & CONFIG1_POWERDOWN) != 0))