[PATCH] iio: light: ltr501: Convert to use sysfs_emit_at() API

[ye.xingchen]

From: ye xingchen <ye.xingchen@xxxxxxxxxx>

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx>
---
 drivers/iio/light/ltr501.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index bdbd918213e4..436f060a34e2 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -1116,9 +1116,9 @@ static ssize_t ltr501_show_proximity_scale_avail(struct device *dev,
 	for (i = 0; i < info->ps_gain_tbl_size; i++) {
 		if (info->ps_gain[i].scale == LTR501_RESERVED_GAIN)
 			continue;
-		len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%06d ",
-				 info->ps_gain[i].scale,
-				 info->ps_gain[i].uscale);
+		len += sysfs_emit_at(buf, len, "%d.%06d ",
+				     info->ps_gain[i].scale,
+				     info->ps_gain[i].uscale);
 	}

 	buf[len - 1] = '\n';
@@ -1138,9 +1138,9 @@ static ssize_t ltr501_show_intensity_scale_avail(struct device *dev,
 	for (i = 0; i < info->als_gain_tbl_size; i++) {
 		if (info->als_gain[i].scale == LTR501_RESERVED_GAIN)
 			continue;
-		len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%06d ",
-				 info->als_gain[i].scale,
-				 info->als_gain[i].uscale);
+		len += sysfs_emit_at(buf, len, "%d.%06d ",
+				     info->als_gain[i].scale,
+				     info->als_gain[i].uscale);
 	}

 	buf[len - 1] = '\n';
-- 
2.25.1