VF610_REG_ADC_GC
writel(gc_data, info->regs + VF610_REG_ADC_GC);
adc_gc = readl(info->regs + VF610_REG_ADC_GC);
writel(adc_gc | VF610_ADC_CAL, info->regs + VF610_REG_ADC_GC);
gc_data = readl(info->regs + VF610_REG_ADC_GC);
writel(gc_data, info->regs + VF610_REG_ADC_GC);
val = readl(info->regs + VF610_REG_ADC_GC);
writel(val, info->regs + VF610_REG_ADC_GC);
val = readl(info->regs + VF610_REG_ADC_GC);
writel(val, info->regs + VF610_REG_ADC_GC);