MAX8998_ALARM0_CONF
ret = max8998_read_reg(info->rtc, MAX8998_ALARM0_CONF, &val);
int ret = max8998_write_reg(info->rtc, MAX8998_ALARM0_CONF, 0);
ret = max8998_write_reg(info->rtc, MAX8998_ALARM0_CONF, alarm0_conf);