vserver 1.9.5.x5

[linux-2.6.git] / Documentation / i2c / sysfs-interface

diff --git a/Documentation/i2c/sysfs-interface b/Documentation/i2c/sysfs-interface
index 3e74dae..3464005 100644 (file)
--- a/Documentation/i2c/sysfs-interface
+++ b/Documentation/i2c/sysfs-interface
@@ -135,18 +135,44 @@ fan[1-3]_div      Fan divisor.
                Note that this is actually an internal clock divisor, which
                affects the measurable speed range, not the read value.
 
-fan[1-3]_pwm   Pulse width modulation fan control.
+*******
+* PWM *
+*******
+
+pwm[1-3]       Pulse width modulation fan control.
                Integer value in the range 0 to 255
                Read/Write
                255 is max or 100%.
 
-fan[1-3]_pwm_enable
+pwm[1-3]_enable
                Switch PWM on and off.
                Not always present even if fan*_pwm is.
                0 to turn off
-               1 to turn on
+               1 to turn on in manual mode
+               2 to turn on in automatic mode
                Read/Write
 
+pwm[1-*]_auto_channels_temp
+               Select which temperature channels affect this PWM output in
+               auto mode. Bitfield, 1 is temp1, 2 is temp2, 4 is temp3 etc...
+               Which values are possible depend on the chip used.
+
+pwm[1-*]_auto_point[1-*]_pwm
+pwm[1-*]_auto_point[1-*]_temp
+pwm[1-*]_auto_point[1-*]_temp_hyst
+               Define the PWM vs temperature curve. Number of trip points is
+               chip-dependent. Use this for chips which associate trip points
+               to PWM output channels.
+
+OR
+
+temp[1-*]_auto_point[1-*]_pwm
+temp[1-*]_auto_point[1-*]_temp
+temp[1-*]_auto_point[1-*]_temp_hyst
+               Define the PWM vs temperature curve. Number of trip points is
+               chip-dependent. Use this for chips which associate trip points
+               to temperature channels.
+
 
 ****************
 * Temperatures *