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 `noise_level_tripped` device
attribute of the as3935 driver.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20211216185217.1054495-6-lars@metafoo.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
return ret;
val = (val & AS3935_AFE_MASK) >> 1;
- return sprintf(buf, "%d\n", val);
+ return sysfs_emit(buf, "%d\n", val);
}
static ssize_t as3935_sensor_sensitivity_store(struct device *dev,
int ret;
mutex_lock(&st->lock);
- ret = sprintf(buf, "%d\n", !time_after(jiffies, st->noise_tripped + HZ));
+ ret = sysfs_emit(buf, "%d\n", !time_after(jiffies, st->noise_tripped + HZ));
mutex_unlock(&st->lock);
return ret;