Staging: iio: remove multible blank lines

This patch removes extra blank lines to address checkpatch.pl warnings
regarding that.
Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/accel/adis16209_core.c

@@ -178,7 +178,6 @@ static const struct adis_data adis16209_data = {
 		BIT(ADIS16209_DIAG_STAT_POWER_LOW_BIT),
 };
 
-
 static int adis16209_probe(struct spi_device *spi)
 {
 	int ret;

drivers/staging/iio/accel/adis16220_core.c

@@ -138,7 +138,6 @@ static ssize_t adis16220_capture_buffer_read(struct iio_dev *indio_dev,
 	/* read count/2 values from capture buffer */
 	mutex_lock(&st->buf_lock);
 
-
 	for (i = 0; i < count; i += 2) {
 		st->tx[i] = ADIS_READ_REG(addr);
 		st->tx[i + 1] = 0;
@@ -147,7 +146,6 @@ static ssize_t adis16220_capture_buffer_read(struct iio_dev *indio_dev,
 
 	ret = spi_sync_transfer(st->adis.spi, xfers, ARRAY_SIZE(xfers));
 	if (ret) {
-
 		mutex_unlock(&st->buf_lock);
 		return -EIO;
 	}
@@ -213,7 +211,6 @@ static ssize_t adis16220_adc2_bin_read(struct file *filp, struct kobject *kobj,
 					ADIS16220_CAPT_BUF2);
 }
 
-
 static struct bin_attribute adc2_bin = {
 	.attr = {
 		.name = "in1_bin",

drivers/staging/iio/accel/lis3l02dq_core.c

@@ -558,13 +558,11 @@ static const struct iio_chan_spec lis3l02dq_channels[] = {
 	IIO_CHAN_SOFT_TIMESTAMP(3)
 };
 
-
 static int lis3l02dq_read_event_config(struct iio_dev *indio_dev,
 				       const struct iio_chan_spec *chan,
 				       enum iio_event_type type,
 				       enum iio_event_direction dir)
 {
-
 	u8 val;
 	int ret;
 	u8 mask = (1 << (chan->channel2*2 + (dir == IIO_EV_DIR_RISING)));