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authorJean Delvare <khali@linux-fr.org>2007-06-27 21:26:08 +0200
committerMark M. Hoffman <mhoffman@lightlink.com>2007-07-19 20:22:16 +0200
commit875f25d5f553f7cf3e6a59c50b32e5fc06442945 (patch)
treea64c1ae5391df7c926d56a2c963eb155fbd893d4 /Documentation
parenthwmon/smsc47b397: Don't report missing fans as spinning at 82 RPM (diff)
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hwmon: Improve the pwmN_enable documentation
The documentation of the pwmN_enable interface file is not very clear, and has been confusing several driver authors already. Make it clearer. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/hwmon/sysfs-interface9
1 files changed, 4 insertions, 5 deletions
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index d131a56e52f8..b3a9e1b9dbda 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -172,11 +172,10 @@ pwm[1-*] Pulse width modulation fan control.
255 is max or 100%.
pwm[1-*]_enable
- Switch PWM on and off.
- Not always present even if pwmN is.
- 0: turn off
- 1: turn on in manual mode
- 2+: turn on in automatic mode
+ Fan speed control method:
+ 0: no fan speed control (i.e. fan at full speed)
+ 1: manual fan speed control enabled (using pwm[1-*])
+ 2+: automatic fan speed control enabled
Check individual chip documentation files for automatic mode
details.
RW