- if (fan_speed != -1) {
- int lastvar = 0; /* for iBook */
- for (i = 1; i < 3; i++) { /* we don't care about local sensor */
- int started = 0;
- int fan_number = (therm_type == ADT7460 && i == 2);
- int var = temps[i] - lims[i];
- if (var > 8) {
- if (th->overriding[fan_number] == 0)
- printk(KERN_INFO "adt746x: Limit exceeded by %d°C, overriding specified fan speed for %s.\n",
- var, fan_number?"GPU":"CPU");
- th->overriding[fan_number] = 1;
- write_fan_speed(th, 255, fan_number);
- started = 1;
- } else if ((!th->overriding[fan_number] || var < 6) && var > 0) {
- if (th->overriding[fan_number] == 1)
- printk(KERN_INFO "adt746x: Limit exceeded by %d°C, setting speed to specified for %s.\n",
- var, fan_number?"GPU":"CPU");
- th->overriding[fan_number] = 0;
- write_fan_speed(th, fan_speed, fan_number);
- started = 1;
- } else if (var < -1) {
- /* don't stop iBook fan if GPU is cold and CPU is not
- * so cold (lastvar >= -1) */
- if (therm_type == ADT7460 || lastvar < -1 || i == 1) {
- if (th->last_speed[fan_number] != 0)
- printk(KERN_INFO "adt746x: Stopping %s fan.\n",
- fan_number?"GPU":"CPU");
- write_fan_speed(th, 0, fan_number);
- }
- }
-
- lastvar = var;
-
- if (started && therm_type == ADT7467)
- break; /* we don't want to re-stop the fan
- * if CPU is heating and GPU is not */
- }
- }