ADCL_CFG_REG
adcl_cfg_reg = readl(port->membase + ADCL_CFG_REG);
port->membase + ADCL_CFG_REG);
writel(adcl_cfg_reg, port->membase + ADCL_CFG_REG);
writel(mode_cfg, port->membase + ADCL_CFG_REG);