iio: adc: pac1921: replace sprintf() with sysfs_emit()

Update the pac1921_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/pac1921.c b/drivers/iio/adc/pac1921.c
index 35433250b00872edfc9214c632917a8b8ae6e281..a0227b57f23883034f84ac2ada3d4f9319e5047d 100644 (file)
--- a/drivers/iio/adc/pac1921.c
+++ b/drivers/iio/adc/pac1921.c
@@ -672,13 +672,13 @@ static int pac1921_read_label(struct iio_dev *indio_dev,
 {
        switch (chan->channel) {
        case PAC1921_CHAN_VBUS:
-               return sprintf(label, "vbus\n");
+               return sysfs_emit(label, "vbus\n");
        case PAC1921_CHAN_VSENSE:
-               return sprintf(label, "vsense\n");
+               return sysfs_emit(label, "vsense\n");
        case PAC1921_CHAN_CURRENT:
-               return sprintf(label, "current\n");
+               return sysfs_emit(label, "current\n");
        case PAC1921_CHAN_POWER:
-               return sprintf(label, "power\n");
+               return sysfs_emit(label, "power\n");
        default:
                return -EINVAL;
        }