iio: light: bh1750: Convert to use sysfs_emit_at() API

Message ID 202212071541387812582@zte.com.cn
State New
Headers
Series iio: light: bh1750: Convert to use sysfs_emit_at() API |

Commit Message

ye.xingchen@zte.com.cn Dec. 7, 2022, 7:41 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/bh1750.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
  

Patch

diff --git a/drivers/iio/light/bh1750.c b/drivers/iio/light/bh1750.c
index 390c5b3ad4f6..ab682865885d 100644
--- a/drivers/iio/light/bh1750.c
+++ b/drivers/iio/light/bh1750.c
@@ -194,8 +194,7 @@  static ssize_t bh1750_show_int_time_available(struct device *dev,
 	const struct bh1750_chip_info *chip_info = data->chip_info;

 	for (i = chip_info->mtreg_min; i <= chip_info->mtreg_max; i += chip_info->inc)
-		len += scnprintf(buf + len, PAGE_SIZE - len, "0.%06d ",
-				 chip_info->mtreg_to_usec * i);
+		len += sysfs_emit_at(buf, len, "0.%06d ", chip_info->mtreg_to_usec * i);

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