Changeset 4454 for lm-sensors/trunk/kernel/chips/w83627ehf.c

Timestamp:

06/17/07 20:52:53 (6 years ago)

Author:

khali

Message:

Really preserve the fan speed reading when changing the fan clock divider.
Changeset r4452 was incomplete.

Files:

• lm-sensors/trunk/kernel/chips/w83627ehf.c (modified) (1 diff)

lm-sensors/trunk/kernel/chips/w83627ehf.c

@@ -590 +590 @@
         if (new_div != data->fan_div[nr]) {
                 /* Preserve the fan speed reading */
-                if (new_div > data->fan_div[nr])
-                        data->fan[nr] >>= new_div - data->fan_div[nr];
-                else
-                        data->fan[nr] <<= data->fan_div[nr] - new_div;
+                if (data->fan[nr] != 0xff) {
+                        if (new_div > data->fan_div[nr])
+                                data->fan[nr] >>= new_div - data->fan_div[nr];
+                        else if (data->fan[nr] & 0x80)
+                                data->fan[nr] = 0xff;
+                        else
+                                data->fan[nr] <<= data->fan_div[nr] - new_div;
+                }
 
 #ifdef DEBUG