[PATCH v3 03/11] iio: light: lm3533-als: Remove redundant pdata helpers

[Svyatoslav Ryhel]

The lm3533_als_set_input_mode and lm3533_als_set_resistor functions are
used only in lm3533_als_setup. Incorporate their code into
lm3533_als_setup directly to simplify driver readability.

Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
---
 drivers/iio/light/lm3533-als.c | 61 +++++++++-------------------------
 1 file changed, 16 insertions(+), 45 deletions(-)

diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
index fb61904f110f..52136ca1abc9 100644
--- a/drivers/iio/light/lm3533-als.c
+++ b/drivers/iio/light/lm3533-als.c
@@ -716,61 +716,32 @@ static const struct attribute_group lm3533_als_attribute_group = {
 	.attrs = lm3533_als_attributes
 };
 
-static int lm3533_als_set_input_mode(struct lm3533_als *als, bool pwm_mode)
-{
-	u8 mask = LM3533_ALS_INPUT_MODE_MASK;
-	u8 val;
-	int ret;
-
-	if (pwm_mode)
-		val = mask;	/* pwm input */
-	else
-		val = 0;	/* analog input */
-
-	ret = regmap_update_bits(als->lm3533->regmap, LM3533_REG_ALS_CONF,
-				 mask, val);
-	if (ret) {
-		dev_err(&als->pdev->dev, "failed to set input mode %d\n",
-								pwm_mode);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int lm3533_als_set_resistor(struct lm3533_als *als, u8 val)
-{
-	int ret;
-
-	if (val < LM3533_ALS_RESISTOR_MIN || val > LM3533_ALS_RESISTOR_MAX) {
-		dev_err(&als->pdev->dev, "invalid resistor value\n");
-		return -EINVAL;
-	}
-
-	ret = regmap_write(als->lm3533->regmap, LM3533_REG_ALS_RESISTOR_SELECT,
-			   val);
-	if (ret) {
-		dev_err(&als->pdev->dev, "failed to set resistor\n");
-		return ret;
-	}
-
-	return 0;
-}
-
 static int lm3533_als_setup(struct lm3533_als *als,
 			    const struct lm3533_als_platform_data *pdata)
 {
+	struct device *dev = &als->pdev->dev;
 	int ret;
 
-	ret = lm3533_als_set_input_mode(als, pdata->pwm_mode);
+	ret = regmap_update_bits(als->lm3533->regmap, LM3533_REG_ALS_CONF,
+				 LM3533_ALS_INPUT_MODE_MASK,
+				 pdata->pwm_mode ? LM3533_ALS_INPUT_MODE_MASK : 0);
 	if (ret)
-		return ret;
+		return dev_err_probe(dev, ret, "failed to set input mode %d\n",
+				     pdata->pwm_mode);
+
 
 	/* ALS input is always high impedance in PWM-mode. */
 	if (!pdata->pwm_mode) {
-		ret = lm3533_als_set_resistor(als, pdata->r_select);
+		if (pdata->r_select < LM3533_ALS_RESISTOR_MIN ||
+		    pdata->r_select > LM3533_ALS_RESISTOR_MAX) {
+			dev_err(&als->pdev->dev, "invalid resistor value\n");
+			return -EINVAL;
+		}
+
+		ret = regmap_write(als->lm3533->regmap, LM3533_REG_ALS_RESISTOR_SELECT,
+				   pdata->r_select);
 		if (ret)
-			return ret;
+			return dev_err_probe(dev, ret, "failed to set resistor\n");
 	}
 
 	return 0;
-- 
2.51.0