2022-12-07 07:58:18

by ye.xingchen

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

From: ye xingchen <[email protected]>

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 <[email protected]>
---
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