iio: adc: sc27xx_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>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.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-v3-17-88d1338c4cca@baylibre.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/sc27xx_adc.c

@@ -508,13 +508,13 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel,
 		}
 	}
 
-	ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL,
-				 SC27XX_ADC_EN, SC27XX_ADC_EN);
+	ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_CTL,
+			      SC27XX_ADC_EN);
 	if (ret)
 		goto regulator_restore;
 
-	ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_INT_CLR,
-				 SC27XX_ADC_IRQ_CLR, SC27XX_ADC_IRQ_CLR);
+	ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_INT_CLR,
+			      SC27XX_ADC_IRQ_CLR);
 	if (ret)
 		goto disable_adc;
 
@@ -537,8 +537,8 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel,
 	if (ret)
 		goto disable_adc;
 
-	ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL,
-				 SC27XX_ADC_CHN_RUN, SC27XX_ADC_CHN_RUN);
+	ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_CTL,
+			      SC27XX_ADC_CHN_RUN);
 	if (ret)
 		goto disable_adc;
 
@@ -559,8 +559,8 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel,
 	value &= SC27XX_ADC_DATA_MASK;
 
 disable_adc:
-	regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL,
-			   SC27XX_ADC_EN, 0);
+	regmap_clear_bits(data->regmap, data->base + SC27XX_ADC_CTL,
+			  SC27XX_ADC_EN);
 regulator_restore:
 	if ((data->var_data->set_volref) && (channel == 30 || channel == 31)) {
 		ret_volref = regulator_set_voltage(data->volref,
@@ -765,14 +765,13 @@ static int sc27xx_adc_enable(struct sc27xx_adc_data *data)
 {
 	int ret;
 
-	ret = regmap_update_bits(data->regmap, data->var_data->module_en,
-				 SC27XX_MODULE_ADC_EN, SC27XX_MODULE_ADC_EN);
+	ret = regmap_set_bits(data->regmap, data->var_data->module_en,
+			      SC27XX_MODULE_ADC_EN);
 	if (ret)
 		return ret;
 
 	/* Enable ADC work clock and controller clock */
-	ret = regmap_update_bits(data->regmap, data->var_data->clk_en,
-				 SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN,
+	ret = regmap_set_bits(data->regmap, data->var_data->clk_en,
 			      SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN);
 	if (ret)
 		goto disable_adc;
@@ -789,11 +788,11 @@ static int sc27xx_adc_enable(struct sc27xx_adc_data *data)
 	return 0;
 
 disable_clk:
-	regmap_update_bits(data->regmap, data->var_data->clk_en,
-			   SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN, 0);
+	regmap_clear_bits(data->regmap, data->var_data->clk_en,
+			  SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN);
 disable_adc:
-	regmap_update_bits(data->regmap, data->var_data->module_en,
-			   SC27XX_MODULE_ADC_EN, 0);
+	regmap_clear_bits(data->regmap, data->var_data->module_en,
+			  SC27XX_MODULE_ADC_EN);
 
 	return ret;
 }
@@ -803,11 +802,11 @@ static void sc27xx_adc_disable(void *_data)
 	struct sc27xx_adc_data *data = _data;
 
 	/* Disable ADC work clock and controller clock */
-	regmap_update_bits(data->regmap, data->var_data->clk_en,
-			   SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN, 0);
+	regmap_clear_bits(data->regmap, data->var_data->clk_en,
+			  SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN);
 
-	regmap_update_bits(data->regmap, data->var_data->module_en,
-			   SC27XX_MODULE_ADC_EN, 0);
+	regmap_clear_bits(data->regmap, data->var_data->module_en,
+			  SC27XX_MODULE_ADC_EN);
 }
 
 static const struct sc27xx_adc_variant_data sc2731_data = {