iio: adc: qcom-spmi-rradc: replace snprintf() with sysfs_emit()

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

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

diff --git a/drivers/iio/adc/qcom-spmi-rradc.c b/drivers/iio/adc/qcom-spmi-rradc.c
index f61ad0510f04c7760d3735020b5de854b0e31702..b245416bae12121e16033f0185d8d0d2ef28f7ee 100644 (file)
--- a/drivers/iio/adc/qcom-spmi-rradc.c
+++ b/drivers/iio/adc/qcom-spmi-rradc.c
@@ -769,7 +769,7 @@ static int rradc_read_raw(struct iio_dev *indio_dev,
 static int rradc_read_label(struct iio_dev *indio_dev,
                            struct iio_chan_spec const *chan, char *label)
 {
-       return snprintf(label, PAGE_SIZE, "%s\n",
+       return sysfs_emit(label, "%s\n",
                        rradc_chans[chan->address].label);
 }