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

Update the 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>
This commit is contained in:
Nuno Sá 2025-09-30 16:33:13 +01:00 • committed by Jonathan Cameron
commit f24a5ef74c