diff mbox series

iio: light: lv0104cs: Convert to use sysfs_emit_at() API

Message ID 202212071545177462713@zte.com.cn
State New
Headers
Series iio: light: lv0104cs: Convert to use sysfs_emit_at() API |

Commit Message

ye.xingchen@zte.com.cn Dec. 7, 2022, 7:45 a.m. UTC 
  From: ye xingchen <ye.xingchen@zte.com.cn>

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@zte.com.cn>
---
 drivers/iio/light/lv0104cs.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iio/light/lv0104cs.c b/drivers/iio/light/lv0104cs.c
index c041fa0faa5d..c0e82ae12920 100644
--- a/drivers/iio/light/lv0104cs.c
+++ b/drivers/iio/light/lv0104cs.c
@@ -397,9 +397,9 @@  static ssize_t lv0104cs_show_calibscale_avail(struct device *dev,
 	int i;

 	for (i = 0; i < ARRAY_SIZE(lv0104cs_calibscales); i++) {
-		len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%06d ",
-				lv0104cs_calibscales[i].val,
-				lv0104cs_calibscales[i].val2);
+		len += sysfs_emit_at(buf, len, "%d.%06d ",
+				     lv0104cs_calibscales[i].val,
+				     lv0104cs_calibscales[i].val2);
 	}

 	buf[len - 1] = '\n';
@@ -414,9 +414,9 @@  static ssize_t lv0104cs_show_scale_avail(struct device *dev,
 	int i;

 	for (i = 0; i < ARRAY_SIZE(lv0104cs_scales); i++) {
-		len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%06d ",
-				lv0104cs_scales[i].val,
-				lv0104cs_scales[i].val2);
+		len += sysfs_emit_at(buf, len, "%d.%06d ",
+				     lv0104cs_scales[i].val,
+				     lv0104cs_scales[i].val2);
 	}

 	buf[len - 1] = '\n';
@@ -431,9 +431,9 @@  static ssize_t lv0104cs_show_int_time_avail(struct device *dev,
 	int i;

 	for (i = 0; i < ARRAY_SIZE(lv0104cs_int_times); i++) {
-		len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%06d ",
-				lv0104cs_int_times[i].val,
-				lv0104cs_int_times[i].val2);
+		len += sysfs_emit_at(buf, len, "%d.%06d ",
+				     lv0104cs_int_times[i].val,
+				     lv0104cs_int_times[i].val2);
 	}

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