* [PATCH] iio: chemical: scd30: Convert to use sysfs_emit_at() API
@ 2022-12-07 7:36 ye.xingchen
0 siblings, 0 replies; only message in thread
From: ye.xingchen @ 2022-12-07 7:36 UTC (permalink / raw)
To: jic23; +Cc: tomasz.duszynski, lars, andriy.shevchenko, linux-iio, linux-kernel
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/chemical/scd30_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/chemical/scd30_core.c b/drivers/iio/chemical/scd30_core.c
index 682fca39d14d..76a48dbdfe2e 100644
--- a/drivers/iio/chemical/scd30_core.c
+++ b/drivers/iio/chemical/scd30_core.c
@@ -354,7 +354,7 @@ static ssize_t sampling_frequency_available_show(struct device *dev, struct devi
ssize_t len = 0;
do {
- len += scnprintf(buf + len, PAGE_SIZE - len, "0.%09u ", 1000000000 / i);
+ len += sysfs_emit_at(buf, len, "0.%09u ", 1000000000 / i);
/*
* Not all values fit PAGE_SIZE buffer hence print every 6th
* (each frequency differs by 6s in time domain from the
--
2.25.1
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2022-12-07 7:36 [PATCH] iio: chemical: scd30: Convert to use sysfs_emit_at() API ye.xingchen
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