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iio: chemical: scd30_core: use sysfs_emit() to instead of scnprintf()

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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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230113141117.23353-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko 2023-01-13 16:11:17 +02:00 committed by Jonathan Cameron
parent bfcae956d9
commit ebda75fbfa
1 changed files with 3 additions and 3 deletions
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6
drivers/iio/chemical/scd30_core.c
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@ -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
@ -380,7 +380,7 @@ static ssize_t calibration_auto_enable_show(struct device *dev, struct device_at
ret = scd30_command_read(state, CMD_ASC, &val);
mutex_unlock(&state->lock);
return ret ?: sprintf(buf, "%d\n", val);
return ret ?: sysfs_emit(buf, "%d\n", val);
}
static ssize_t calibration_auto_enable_store(struct device *dev, struct device_attribute *attr,
@ -414,7 +414,7 @@ static ssize_t calibration_forced_value_show(struct device *dev, struct device_a
ret = scd30_command_read(state, CMD_FRC, &val);
mutex_unlock(&state->lock);
return ret ?: sprintf(buf, "%d\n", val);
return ret ?: sysfs_emit(buf, "%d\n", val);
}
static ssize_t calibration_forced_value_store(struct device *dev, struct device_attribute *attr,