diff --git a/drivers/iio/adc/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c
index 913ea9e5d9c5..b487e577befb 100644
--- a/drivers/iio/adc/axp20x_adc.c
+++ b/drivers/iio/adc/axp20x_adc.c
@@ -991,9 +991,8 @@ static int axp20x_probe(struct platform_device *pdev)
 	regmap_write(info->regmap, AXP20X_ADC_EN1, info->data->adc_en1_mask);
 
 	if (info->data->adc_en2_mask)
-		regmap_update_bits(info->regmap, AXP20X_ADC_EN2,
-				   info->data->adc_en2_mask,
-				   info->data->adc_en2_mask);
+		regmap_set_bits(info->regmap, AXP20X_ADC_EN2,
+				info->data->adc_en2_mask);
 
 	/* Configure ADCs rate */
 	info->data->adc_rate(info, 100);