JZ_ADC_REG_CFG
cfg = readl(adc->base + JZ_ADC_REG_CFG) & ~mask;
writel(cfg, adc->base + JZ_ADC_REG_CFG);
cfg = readl(adc->base + JZ_ADC_REG_CFG);
writel(cfg & ~JZ_ADC_REG_CFG_CMD_SEL, adc->base + JZ_ADC_REG_CFG);
writel(cfg, adc->base + JZ_ADC_REG_CFG);