iio: ad7606: Convert to use sysfs_emit_at() API

Message ID 202212071530024612241@zte.com.cn
State New
Headers
Series iio: ad7606: Convert to use sysfs_emit_at() API |

Commit Message

ye.xingchen@zte.com.cn Dec. 7, 2022, 7:30 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/adc/ad7606.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
  

Patch

diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index dd6b603f65ea..8d462b66fb21 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -205,8 +205,7 @@  static ssize_t ad7606_show_avail(char *buf, const unsigned int *vals,
 	int i;

 	for (i = 0; i < n; i++) {
-		len += scnprintf(buf + len, PAGE_SIZE - len,
-			micros ? "0.%06u " : "%u ", vals[i]);
+		len += sysfs_emit_at(buf, len, micros ? "0.%06u " : "%u ", vals[i]);
 	}
 	buf[len - 1] = '\n';