staging: iio: isl29028: change newlines to improve readability

Add and remove newlines to improve code readability in preparation for
moving the driver out of staging.
Signed-off-by: NBrian Masney <masneyb@onstation.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

drivers/staging/iio/light/isl29028.c

@@ -69,10 +69,8 @@ enum isl29028_als_ir_mode {
 struct isl29028_chip {
 	struct mutex			lock;
 	struct regmap			*regmap;
-
 	unsigned int			prox_sampling;
 	bool				enable_prox;
-
 	int				lux_scale;
 	enum isl29028_als_ir_mode	als_ir_mode;
 };
@@ -88,6 +86,7 @@ static int isl29028_set_proxim_sampling(struct isl29028_chip *chip,
 		if (period >= prox_period[sel])
 			break;
 	}
+
 	return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
 				  ISL29028_CONF_PROX_SLP_MASK,
 				  sel << ISL29028_CONF_PROX_SLP_SH);
@@ -107,6 +106,7 @@ static int isl29028_enable_proximity(struct isl29028_chip *chip, bool enable)
 
 	/* Wait for conversion to be complete for first sample */
 	mdelay(DIV_ROUND_UP(1000, chip->prox_sampling));
+
 	return 0;
 }
 
@@ -139,13 +139,11 @@ static int isl29028_set_als_ir_mode(struct isl29028_chip *chip,
 					 ISL29028_CONF_ALS_RANGE_MASK,
 					 ISL29028_CONF_ALS_RANGE_HIGH_LUX);
 		break;
-
 	case ISL29028_MODE_IR:
 		ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
 					 ISL29028_CONF_ALS_IR_MODE_MASK,
 					 ISL29028_CONF_ALS_IR_MODE_IR);
 		break;
-
 	case ISL29028_MODE_NONE:
 		return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
 					  ISL29028_CONF_ALS_EN_MASK,
@@ -192,6 +190,7 @@ static int isl29028_read_als_ir(struct isl29028_chip *chip, int *als_ir)
 	}
 
 	*als_ir = ((msb & 0xF) << 8) | (lsb & 0xFF);
+
 	return 0;
 }
 
@@ -205,6 +204,7 @@ static int isl29028_read_proxim(struct isl29028_chip *chip, int *prox)
 		ret = isl29028_enable_proximity(chip, true);
 		if (ret < 0)
 			return ret;
+
 		chip->enable_prox = true;
 	}
 
@@ -214,7 +214,9 @@ static int isl29028_read_proxim(struct isl29028_chip *chip, int *prox)
 			ISL29028_REG_PROX_DATA, ret);
 		return ret;
 	}
+
 	*prox = data;
+
 	return 0;
 }
 
@@ -245,6 +247,7 @@ static int isl29028_als_get(struct isl29028_chip *chip, int *als_data)
 		als_ir_data = (als_ir_data * 49) / 100;
 
 	*als_data = als_ir_data;
+
 	return 0;
 }
 
@@ -258,6 +261,7 @@ static int isl29028_ir_get(struct isl29028_chip *chip, int *ir_data)
 		dev_err(dev, "Error in enabling IR mode err %d\n", ret);
 		return ret;
 	}
+
 	return isl29028_read_als_ir(chip, ir_data);
 }
 
@@ -279,11 +283,13 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
 				mask);
 			break;
 		}
+
 		if (val < 1 || val > 100) {
 			dev_err(dev,
 				"Samp_freq %d is not in range[1:100]\n", val);
 			break;
 		}
+
 		ret = isl29028_set_proxim_sampling(chip, val);
 		if (ret < 0) {
 			dev_err(dev,
@@ -291,9 +297,9 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
 				ret);
 			break;
 		}
+
 		chip->prox_sampling = val;
 		break;
-
 	case IIO_LIGHT:
 		if (mask != IIO_CHAN_INFO_SCALE) {
 			dev_err(dev,
@@ -301,25 +307,29 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
 				mask);
 			break;
 		}
+
 		if ((val != 125) && (val != 2000)) {
 			dev_err(dev,
 				"lux scale %d is invalid [125, 2000]\n", val);
 			break;
 		}
+
 		ret = isl29028_set_als_scale(chip, val);
 		if (ret < 0) {
 			dev_err(dev,
 				"Setting lux scale fail with error %d\n", ret);
 			break;
 		}
+
 		chip->lux_scale = val;
 		break;
-
 	default:
 		dev_err(dev, "Unsupported channel type\n");
 		break;
 	}
+
 	mutex_unlock(&chip->lock);
+
 	return ret;
 }
 
@@ -348,30 +358,32 @@ static int isl29028_read_raw(struct iio_dev *indio_dev,
 		default:
 			break;
 		}
+
 		if (ret < 0)
 			break;
+
 		ret = IIO_VAL_INT;
 		break;
-
 	case IIO_CHAN_INFO_SAMP_FREQ:
 		if (chan->type != IIO_PROXIMITY)
 			break;
+
 		*val = chip->prox_sampling;
 		ret = IIO_VAL_INT;
 		break;
-
 	case IIO_CHAN_INFO_SCALE:
 		if (chan->type != IIO_LIGHT)
 			break;
 		*val = chip->lux_scale;
 		ret = IIO_VAL_INT;
 		break;
-
 	default:
 		dev_err(dev, "mask value 0x%08lx not supported\n", mask);
 		break;
 	}
+
 	mutex_unlock(&chip->lock);
+
 	return ret;
 }
 
@@ -497,6 +509,7 @@ static int isl29028_probe(struct i2c_client *client,
 			ISL29028_REG_TEST1_MODE, ret);
 		return ret;
 	}
+
 	ret = regmap_write(chip->regmap, ISL29028_REG_TEST2_MODE, 0x0);
 	if (ret < 0) {
 		dev_err(&client->dev,
@@ -517,6 +530,7 @@ static int isl29028_probe(struct i2c_client *client,
 	indio_dev->name = id->name;
 	indio_dev->dev.parent = &client->dev;
 	indio_dev->modes = INDIO_DIRECT_MODE;
+
 	ret = devm_iio_device_register(indio_dev->dev.parent, indio_dev);
 	if (ret < 0) {
 		dev_err(&client->dev,
@@ -524,6 +538,7 @@ static int isl29028_probe(struct i2c_client *client,
 			ret);
 		return ret;
 	}
+
 	return 0;
 }