iio:adc:ti-ads8688:: remove redundant ret variable

Return value from ads8688_prog_write() directly instead
of taking this in another redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c
index 79c8035..2e24717 100644 (file)
--- a/drivers/iio/adc/ti-ads8688.c
+++ b/drivers/iio/adc/ti-ads8688.c
@@ -281,12 +281,10 @@ static int ads8688_write_reg_range(struct iio_dev *indio_dev,
                                   enum ads8688_range range)
 {
        unsigned int tmp;
-       int ret;
 
        tmp = ADS8688_PROG_REG_RANGE_CH(chan->channel);
-       ret = ads8688_prog_write(indio_dev, tmp, range);
 
-       return ret;
+       return ads8688_prog_write(indio_dev, tmp, range);
 }
 
 static int ads8688_write_raw(struct iio_dev *indio_dev,