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path: root/drivers/thermal
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Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/thermal_sys.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 2ab31e4f02cc..dc4044b682a1 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -1059,6 +1059,7 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
enum thermal_trip_type trip_type;
struct thermal_cooling_device_instance *instance;
struct thermal_cooling_device *cdev;
+ unsigned long cur_state, max_state;
mutex_lock(&tz->lock);
@@ -1098,10 +1099,17 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
cdev = instance->cdev;
+ cdev->ops->get_cur_state(cdev, &cur_state);
+ cdev->ops->get_max_state(cdev, &max_state);
+
if (temp >= trip_temp)
- cdev->ops->set_cur_state(cdev, 1);
+ cur_state = cur_state < max_state ?
+ (cur_state + 1) : max_state;
else
- cdev->ops->set_cur_state(cdev, 0);
+ cur_state = cur_state > 0 ?
+ (cur_state - 1) : 0;
+
+ cdev->ops->set_cur_state(cdev, cur_state);
}
break;
case THERMAL_TRIP_PASSIVE: