diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c
index 7da84224a292..4191b090ec74 100644
--- a/drivers/iio/adc/rzg2l_adc.c
+++ b/drivers/iio/adc/rzg2l_adc.c
@@ -208,7 +208,8 @@ static int rzg2l_adc_conversion(struct iio_dev *indio_dev, struct rzg2l_adc *adc
 	rzg2l_adc_start_stop(adc, false);
 
 rpm_put:
-	pm_runtime_put_sync(dev);
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
 	return ret;
 }
 
@@ -373,7 +374,8 @@ static int rzg2l_adc_hw_init(struct device *dev, struct rzg2l_adc *adc)
 	rzg2l_adc_writel(adc, RZG2L_ADM(3), reg);
 
 exit_hw_init:
-	pm_runtime_put_sync(dev);
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
 	return ret;
 }
 
@@ -411,6 +413,8 @@ static int rzg2l_adc_probe(struct platform_device *pdev)
 		return dev_err_probe(dev, PTR_ERR(adc->presetn),
 				     "failed to get/deassert presetn\n");
 
+	pm_runtime_set_autosuspend_delay(dev, 300);
+	pm_runtime_use_autosuspend(dev);
 	ret = devm_pm_runtime_enable(dev);
 	if (ret)
 		return ret;