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Subject[PATCH] iio: ad7192: Convert to use sysfs emit at() API
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/ad7192.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index 55a6ab591016..0ba32dca634b 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -561,9 +561,9 @@ static ssize_t ad7192_show_filter_avail(struct device *dev,
ad7192_get_available_filter_freq(st, freq_avail);

for (i = 0; i < ARRAY_SIZE(freq_avail); i++)
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "%d.%d ", freq_avail[i] / 1000,
- freq_avail[i] % 1000);
+ len += sysfs_emit_at(buf, len, "%d.%d ",
+ freq_avail[i] / 1000,
+ freq_avail[i] % 1000);

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

--
2.25.1
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