Back out the fan control changes that were merged in revision 1.2.2.5.

The necessary changes to the driver haven't been merged yet, which won't
happen before 6.1-RELEASE.

Submitted by:	markus
Approved by:	re (scottl)

1 files changed, 2 insertions, 22 deletions

diff --git a/share/man/man4/man4.i386/acpi_ibm.4 b/share/man/man4/man4.i386/acpi_ibm.4
index c89201e..4375e41 100644
--- a/share/man/man4/man4.i386/acpi_ibm.4
+++ b/share/man/man4/man4.i386/acpi_ibm.4
@@ -281,28 +281,8 @@ Toggle Bluetooth chip activity.
 (read-only)
 Indicates whether the WLAN chip is active or not.
 .It Va dev.acpi_ibm.0.fan
-Indicates whether the fan is in automatic (1) or manual (0) mode.
-Default is automatic mode.
-This sysctl should be used with extreme precaution, since disabling automatic
-fan control might overheat the ThinkPad and lead to permanent damage if the
-.Va fan_level
-is not set accordingly.
-.It Va dev.acpi_ibm.0.fan_level
-Indicates at what speed the fan should run when being in manual mode.
-Values are ranging from 0 (off) to 7 (max).
-The resulting speed differs from model to model.
-On a T41p this is as follows:
-.Pp
-.Bl -tag -width indent-two -compact
-.It Li 0
-off
-.It Li 1, 2
-~3000 RPM
-.It Li 3, 4, 5
-~3600 RPM
-.It Li 6, 7
-~4300 RPM
-.El
+(read-only)
+Indicates whether the fan is on or off.
 .It Va dev.acpi_ibm.0.fan_speed
 (read-only)
 Fan speed in rounds per minute.