ADC_CON_EN_START
writel(con1 | ADC_CON_EN_START, ADC_V1_CON(info->regs));
writel(con1 | ADC_CON_EN_START, ADC_V1_CON(info->regs));
con &= ~ADC_CON_EN_START;
writel(con1 | ADC_CON_EN_START, ADC_V2_CON1(info->regs));