DEV_OFF
bit = DEV_OFF;
bit = DEV_OFF;
bit = DEV_OFF;
bit = DEV_OFF;
bit = DEV_OFF;
ret = regmap_update_bits(rk817, RK817_SYS_CFG(3), DEV_OFF, DEV_OFF);
ret = regmap_update_bits(rk818, RK818_DEVCTRL_REG, DEV_OFF, DEV_OFF);