X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Fi2c%2Fsysfs-interface;h=346400519d0da697612341c0b8cb3cb79cba135b;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=3e74daeb901d11750d9c2349e6902ca0063315b3;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git

diff --git a/Documentation/i2c/sysfs-interface b/Documentation/i2c/sysfs-interface
index 3e74daeb9..346400519 100644
--- 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 *