iio: adc: berlin2-adc: make use of regmap_clear_bits(), regmap_set_bits()

Instead of using regmap_update_bits() and passing the mask twice, use
regmap_set_bits().

Instead of using regmap_update_bits() and passing val = 0, use
regmap_clear_bits().
Suggested-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240617-review-v3-8-88d1338c4cca@baylibre.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/berlin2-adc.c

@@ -129,8 +129,8 @@ static int berlin2_adc_read(struct iio_dev *indio_dev, int channel)
 					       msecs_to_jiffies(1000));
 
 	/* Disable the interrupts */
-	regmap_update_bits(priv->regmap, BERLIN2_SM_ADC_STATUS,
-			   BERLIN2_SM_ADC_STATUS_INT_EN(channel), 0);
+	regmap_clear_bits(priv->regmap, BERLIN2_SM_ADC_STATUS,
+			  BERLIN2_SM_ADC_STATUS_INT_EN(channel));
 
 	if (ret == 0)
 		ret = -ETIMEDOUT;
@@ -139,8 +139,8 @@ static int berlin2_adc_read(struct iio_dev *indio_dev, int channel)
 		return ret;
 	}
 
-	regmap_update_bits(priv->regmap, BERLIN2_SM_CTRL,
-			   BERLIN2_SM_CTRL_ADC_START, 0);
+	regmap_clear_bits(priv->regmap, BERLIN2_SM_CTRL,
+			  BERLIN2_SM_CTRL_ADC_START);
 
 	data = priv->data;
 	priv->data_available = false;
@@ -180,8 +180,8 @@ static int berlin2_adc_tsen_read(struct iio_dev *indio_dev)
 					       msecs_to_jiffies(1000));
 
 	/* Disable interrupts */
-	regmap_update_bits(priv->regmap, BERLIN2_SM_TSEN_STATUS,
-			   BERLIN2_SM_TSEN_STATUS_INT_EN, 0);
+	regmap_clear_bits(priv->regmap, BERLIN2_SM_TSEN_STATUS,
+			  BERLIN2_SM_TSEN_STATUS_INT_EN);
 
 	if (ret == 0)
 		ret = -ETIMEDOUT;
@@ -190,8 +190,8 @@ static int berlin2_adc_tsen_read(struct iio_dev *indio_dev)
 		return ret;
 	}
 
-	regmap_update_bits(priv->regmap, BERLIN2_SM_TSEN_CTRL,
-			   BERLIN2_SM_TSEN_CTRL_START, 0);
+	regmap_clear_bits(priv->regmap, BERLIN2_SM_TSEN_CTRL,
+			  BERLIN2_SM_TSEN_CTRL_START);
 
 	data = priv->data;
 	priv->data_available = false;
@@ -284,8 +284,7 @@ static const struct iio_info berlin2_adc_info = {
 
 static void berlin2_adc_powerdown(void *regmap)
 {
-	regmap_update_bits(regmap, BERLIN2_SM_CTRL,
-			   BERLIN2_SM_CTRL_ADC_POWER, 0);
+	regmap_clear_bits(regmap, BERLIN2_SM_CTRL, BERLIN2_SM_CTRL_ADC_POWER);
 
 }
 
@@ -339,8 +338,7 @@ static int berlin2_adc_probe(struct platform_device *pdev)
 	indio_dev->num_channels = ARRAY_SIZE(berlin2_adc_channels);
 
 	/* Power up the ADC */
-	regmap_update_bits(priv->regmap, BERLIN2_SM_CTRL,
-			   BERLIN2_SM_CTRL_ADC_POWER,
+	regmap_set_bits(priv->regmap, BERLIN2_SM_CTRL,
 			BERLIN2_SM_CTRL_ADC_POWER);
 
 	ret = devm_add_action_or_reset(&pdev->dev, berlin2_adc_powerdown,