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[12/13] iio: scd4x: Use sysfs_emit()

Message ID 20211216185217.1054495-13-lars@metafoo.de (mailing list archive)
State Accepted
Headers show
Series iio: Use sysfs_emit() | expand

Commit Message

Lars-Peter Clausen Dec. 16, 2021, 6:52 p.m. UTC
sysfs_emit() is preferred over raw s*printf() for sysfs attributes since it
knows about the sysfs buffer specifics and has some built-in checks for
size and alignment.

Use sysfs_emit() to format the custom `calibration_auto_enable` device
attribute of the scd4x driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
---
 drivers/iio/chemical/scd4x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/iio/chemical/scd4x.c b/drivers/iio/chemical/scd4x.c
index 267bc3c05338..20d4e7584e92 100644
--- a/drivers/iio/chemical/scd4x.c
+++ b/drivers/iio/chemical/scd4x.c
@@ -423,7 +423,7 @@  static ssize_t calibration_auto_enable_show(struct device *dev,
 
 	val = (be16_to_cpu(bval) & SCD4X_READY_MASK) ? 1 : 0;
 
-	return sprintf(buf, "%d\n", val);
+	return sysfs_emit(buf, "%d\n", val);
 }
 
 static ssize_t calibration_auto_enable_store(struct device *dev,