Bug 38082

Summary:	Fan sensor/controls not working in Thinkpad Edge E220s
Product:	Drivers	Reporter:	Chow Loong Jin (hyperair)
Component:	Platform_x86	Assignee:	drivers_platform_x86 (drivers_platform_x86)
Status:	NEW ---
Severity:	normal	CC:	alan, copycat, enrico.tagliavini, tommy.trussell
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	3.1	Subsystem:
Regression:	No	Bisected commit-id:

Description Chow Loong Jin 2011-06-23 14:54:23 UTC

Eventhough I can hear the fan running, every userspace interface I have poked seems to say it's at 0RPM.

/proc/acpi/ibm:
status:         disabled
speed:          0
level:          0

/sys/devices/platform/thinkpad_hwmon/fan1_input:
0

Comment 1 Enrico Tagliavini 2012-07-27 16:14:30 UTC

This is true also for Thinkpad edge 530. They changed once again the EC config it seems. This bug is likely a dup of bug #43048 

If someone want a tester or would just mind to explain me the basis of this stuff so I can just write it myself, make a whistle.

Comment 2 Alan 2012-08-24 14:54:45 UTC

*** Bug 43048 has been marked as a duplicate of this bug. ***

Comment 3 Tommy Trussell 2015-02-27 03:17:18 UTC

Also affects Thinkpad E540.