iio: adc: ad7192: Use sysfs_emit_at

Replace scnprintf with sysfs_emit_at which is the preferred alternative.

Also make sure each fractional digit is in its place by padding with
zeros up to 3 digits: "...%03d...".

Signed-off-by: Alisa Roman <alisa.roman@analog.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20230620163135.93780-1-alisa.roman@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Alisa Roman 2023-06-20 19:31:35 +03:00 committed by Jonathan Cameron
parent e85f46433a
commit 1cbf2c4bea
1 changed files with 2 additions and 3 deletions

View File

@ -561,9 +561,8 @@ static ssize_t ad7192_show_filter_avail(struct device *dev,
ad7192_get_available_filter_freq(st, freq_avail);
for (i = 0; i < ARRAY_SIZE(freq_avail); i++)
len += scnprintf(buf + len, PAGE_SIZE - len,
"%d.%d ", freq_avail[i] / 1000,
freq_avail[i] % 1000);
len += sysfs_emit_at(buf, len, "%d.%03d ", freq_avail[i] / 1000,
freq_avail[i] % 1000);
buf[len - 1] = '\n';