1 files changed, 43 insertions, 0 deletions

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 84c795fb9b1e..9adfd180df6a 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -769,6 +769,47 @@ static void acpi_thermal_run(unsigned long data)
                 acpi_os_execute(OSL_GPE_HANDLER, acpi_thermal_check, (void *)data);
 }
 
+static void acpi_thermal_active_off(void *data)
+{
+        int result = 0;
+        struct acpi_thermal *tz = data;
+        int i = 0;
+        int j = 0;
+        struct acpi_thermal_active *active = NULL;
+
+        if (!tz) {
+                printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
+                return;
+        }
+
+        result = acpi_thermal_get_temperature(tz);
+        if (result)
+                return;
+
+        for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
+                active = &(tz->trips.active[i]);
+                if (!active || !active->flags.valid)
+                        break;
+                if (tz->temperature >= active->temperature) {
+                        /*
+                         * If the thermal temperature is greater than the
+                         * active threshod, unnecessary to turn off the
+                         * the active cooling device.
+                         */
+                        continue;
+                }
+                /*
+                 * Below Threshold?
+                 * ----------------
+                 * Turn OFF all cooling devices associated with this
+                 * threshold.
+                 */
+                for (j = 0; j < active->devices.count; j++)
+                        result = acpi_bus_set_power(active->devices.handles[j],
+                                                    ACPI_STATE_D3);
+        }
+}
+
 static void acpi_thermal_check(void *data)
 {
         int result = 0;
@@ -1624,6 +1665,8 @@ static int acpi_thermal_add(struct acpi_device *device)
 
         init_timer(&tz->timer);
 
+        acpi_thermal_active_off(tz);
+
         acpi_thermal_check(tz);
 
         status = acpi_install_notify_handler(device->handle,