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Subject[PATCH] iio: adc: vf610 adc: 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/vf610_adc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index ae31aafd2653..dbf80f5f674b 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -606,8 +606,7 @@ static ssize_t vf610_show_samp_freq_avail(struct device *dev,
int i;

for (i = 0; i < ARRAY_SIZE(info->sample_freq_avail); i++)
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "%u ", info->sample_freq_avail[i]);
+ len += sysfs_emit_at(buf, len, "%u ", info->sample_freq_avail[i]);

/* replace trailing space by newline */
buf[len - 1] = '\n';
--
2.25.1
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