iio: adc: cpcap-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://patch.msgid.link/20240617-review-v3-9-88d1338c4cca@baylibre.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/cpcap-adc.c

@@ -385,8 +385,7 @@ static irqreturn_t cpcap_adc_irq_thread(int irq, void *data)
 	struct cpcap_adc *ddata = iio_priv(indio_dev);
 	int error;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-				   CPCAP_BIT_ADTRIG_DIS,
+	error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
 				CPCAP_BIT_ADTRIG_DIS);
 	if (error)
 		return IRQ_NONE;
@@ -424,23 +423,19 @@ static void cpcap_adc_setup_calibrate(struct cpcap_adc *ddata,
 	if (error)
 		return;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
+	error = regmap_clear_bits(ddata->reg, CPCAP_REG_ADCC2,
 				  CPCAP_BIT_ATOX_PS_FACTOR |
 				  CPCAP_BIT_ADC_PS_FACTOR1 |
-				   CPCAP_BIT_ADC_PS_FACTOR0,
-				   0);
+				  CPCAP_BIT_ADC_PS_FACTOR0);
 	if (error)
 		return;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-				   CPCAP_BIT_ADTRIG_DIS,
+	error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
 				CPCAP_BIT_ADTRIG_DIS);
 	if (error)
 		return;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-				   CPCAP_BIT_ASC,
-				   CPCAP_BIT_ASC);
+	error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2, CPCAP_BIT_ASC);
 	if (error)
 		return;
 
@@ -455,8 +450,8 @@ static void cpcap_adc_setup_calibrate(struct cpcap_adc *ddata,
 		dev_err(ddata->dev,
 			"Timeout waiting for calibration to complete\n");
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC1,
-				   CPCAP_BIT_CAL_MODE, 0);
+	error = regmap_clear_bits(ddata->reg, CPCAP_REG_ADCC1,
+				  CPCAP_BIT_CAL_MODE);
 	if (error)
 		return;
 }
@@ -602,26 +597,23 @@ static void cpcap_adc_setup_bank(struct cpcap_adc *ddata,
 		return;
 
 	if (req->timing == CPCAP_ADC_TIMING_IMM) {
-		error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-					   CPCAP_BIT_ADTRIG_DIS,
+		error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
 					CPCAP_BIT_ADTRIG_DIS);
 		if (error)
 			return;
 
-		error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-					   CPCAP_BIT_ASC,
+		error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
 					CPCAP_BIT_ASC);
 		if (error)
 			return;
 	} else {
-		error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-					   CPCAP_BIT_ADTRIG_ONESHOT,
+		error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
 					CPCAP_BIT_ADTRIG_ONESHOT);
 		if (error)
 			return;
 
-		error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-					   CPCAP_BIT_ADTRIG_DIS, 0);
+		error = regmap_clear_bits(ddata->reg, CPCAP_REG_ADCC2,
+					  CPCAP_BIT_ADTRIG_DIS);
 		if (error)
 			return;
 	}