iio:chemical:sps30: Convert sysfs sprintf/snprintf family to sysfs_emit

Fix the following coccicheck warning:
./drivers/iio/chemical/sps30.c:414:8-16: WARNING:
use scnprintf or sprintf

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1618216751-1678-2-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c
index 2ea9a5c..7486591 100644 (file)
--- a/drivers/iio/chemical/sps30.c
+++ b/drivers/iio/chemical/sps30.c
@@ -411,9 +411,9 @@ static ssize_t cleaning_period_available_show(struct device *dev,
                                              struct device_attribute *attr,
                                              char *buf)
 {
-       return snprintf(buf, PAGE_SIZE, "[%d %d %d]\n",
-                       SPS30_AUTO_CLEANING_PERIOD_MIN, 1,
-                       SPS30_AUTO_CLEANING_PERIOD_MAX);
+       return sysfs_emit(buf, "[%d %d %d]\n",
+                         SPS30_AUTO_CLEANING_PERIOD_MIN, 1,
+                         SPS30_AUTO_CLEANING_PERIOD_MAX);
 }
 
 static IIO_DEVICE_ATTR_WO(start_cleaning, 0);