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-rw-r--r--Documentation/laptops/thinkpad-acpi.txt9
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index ba2e7d254842..00b6dfed573c 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -121,8 +121,9 @@ space, for 2.6.23+ this is /sys/devices/platform/thinkpad_acpi/.
Sysfs device attributes for the sensors and fan are on the
thinkpad_hwmon device's sysfs attribute space, but you should locate it
looking for a hwmon device with the name attribute of "thinkpad", or
-better yet, through libsensors.
-
+better yet, through libsensors. For 4.14+ sysfs attributes were moved to the
+hwmon device (/sys/bus/platform/devices/thinkpad_hwmon/hwmon/hwmon? or
+/sys/class/hwmon/hwmon?).
Driver version
--------------
@@ -1478,3 +1479,7 @@ Sysfs interface changelog:
0x020700: Support for mute-only mixers.
Volume control in read-only mode by default.
Marker for ALSA mixer support.
+
+0x030000: Thermal and fan sysfs attributes were moved to the hwmon
+ device instead of being attached to the backing platform
+ device.