staging: iio: adt7136: Remove unnecessary blank lines

This was reported by checkpatch.pl
Signed-off-by: Narcisa Ana Maria Vasile <narcisaanamaria12@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/staging/iio/addac/adt7316.c

@@ -244,7 +244,6 @@ static ssize_t _adt7316_store_enabled(struct adt7316_chip_info *chip,
 	chip->config1 = config1;
 
 	return ret;
-
 }
 
 static ssize_t adt7316_store_enabled(struct device *dev,
@@ -434,7 +433,6 @@ static ssize_t adt7316_store_ad_channel(struct device *dev,
 		config2 = chip->config2 & (~ADT7316_AD_SINGLE_CH_MASK);
 	}
 
-
 	config2 |= data;
 
 	ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG2, config2);
@@ -725,7 +723,6 @@ static IIO_DEVICE_ATTR(AIN_internal_Vref, 0644,
 		adt7316_store_AIN_internal_Vref,
 		0);
 
-
 static ssize_t adt7316_show_enable_prop_DACA(struct device *dev,
 		struct device_attribute *attr,
 		char *buf)
@@ -925,7 +922,6 @@ static ssize_t adt7316_show_all_DAC_update_modes(struct device *dev,
 static IIO_DEVICE_ATTR(all_DAC_update_modes, 0444,
 		adt7316_show_all_DAC_update_modes, NULL, 0);
 
-
 static ssize_t adt7316_store_update_DAC(struct device *dev,
 		struct device_attribute *attr,
 		const char *buf,