Commit 64ee2528 authored by ye xingchen's avatar ye xingchen Committed by Rafael J. Wysocki
Browse files

ACPI: fan: Convert to use sysfs_emit_at() API 



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: default avatarye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent f2ae44ae

drivers/acpi/fan_attr.c

+8 −8
Original line number Diff line number Diff line
@@ -27,24 +27,24 @@ static ssize_t show_state(struct device *dev, struct device_attribute *attr, cha 
		count = scnprintf(buf, PAGE_SIZE, "%lld:", fps->control);



	if (fps->trip_point == 0xFFFFFFFF || fps->trip_point > 9)

		count += scnprintf(&buf[count], PAGE_SIZE - count, "not-defined:");

		count += sysfs_emit_at(buf, count, "not-defined:");

	else

		count += scnprintf(&buf[count], PAGE_SIZE - count, "%lld:", fps->trip_point);

		count += sysfs_emit_at(buf, count, "%lld:", fps->trip_point);



	if (fps->speed == 0xFFFFFFFF)

		count += scnprintf(&buf[count], PAGE_SIZE - count, "not-defined:");

		count += sysfs_emit_at(buf, count, "not-defined:");

	else

		count += scnprintf(&buf[count], PAGE_SIZE - count, "%lld:", fps->speed);

		count += sysfs_emit_at(buf, count, "%lld:", fps->speed);



	if (fps->noise_level == 0xFFFFFFFF)

		count += scnprintf(&buf[count], PAGE_SIZE - count, "not-defined:");

		count += sysfs_emit_at(buf, count, "not-defined:");

	else

		count += scnprintf(&buf[count], PAGE_SIZE - count, "%lld:", fps->noise_level * 100);

		count += sysfs_emit_at(buf, count, "%lld:", fps->noise_level * 100);



	if (fps->power == 0xFFFFFFFF)

		count += scnprintf(&buf[count], PAGE_SIZE - count, "not-defined\n");

		count += sysfs_emit_at(buf, count, "not-defined\n");

	else

		count += scnprintf(&buf[count], PAGE_SIZE - count, "%lld\n", fps->power);

		count += sysfs_emit_at(buf, count, "%lld\n", fps->power);



	return count;

}