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>
This commit is contained in:
Nuno Sá 2025-09-30 16:33:10 +01:00 • committed by Jonathan Cameron
commit ed1a82401b