iio: adc: ad4030: replace sprintf() with sysfs_emit()

Update the ad4030_read_label() function to use sysfs_emit() for generating
labels.

Signed-off-by: Nuno Sá <nuno.sal@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad4030.c b/drivers/iio/adc/ad4030.c
index 1bc2f9a2247081e166680232aa6d4aebc5f41b89..4393160c7c77981729d8e43bbf1aa573616e4d40 100644 (file)
--- a/drivers/iio/adc/ad4030.c
+++ b/drivers/iio/adc/ad4030.c
@@ -852,8 +852,8 @@ static int ad4030_read_label(struct iio_dev *indio_dev,
                             char *label)
 {
        if (chan->differential)
-               return sprintf(label, "differential%lu\n", chan->address);
-       return sprintf(label, "common-mode%lu\n", chan->address);
+               return sysfs_emit(label, "differential%lu\n", chan->address);
+       return sysfs_emit(label, "common-mode%lu\n", chan->address);
 }
 
 static int ad4030_get_current_scan_type(const struct iio_dev *indio_dev,