drivers: misc: therm_est: enable run-time trip point change

Enabled trip point change through sysFs during run-time.

Change-Id: Ibbdd8759cf24033575eda1d5f49b4d736060dab5
Signed-off-by: Hyungwoo Yang <hyungwooy@nvidia.com>
Reviewed-on: http://git-master/r/188136

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/misc/therm_est.c b/drivers/misc/therm_est.c
index 654b0f675..553764d66 100644
--- a/drivers/misc/therm_est.c
+++ b/drivers/misc/therm_est.c
@@ -1,7 +1,7 @@
 /*
  * drivers/misc/therm_est.c
  *
- * Copyright (C) 2010-2012 NVIDIA Corporation.
+ * Copyright (C) 2010-2013 NVIDIA Corporation.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -129,6 +129,17 @@ static int therm_est_get_trip_temp(struct thermal_zone_device *thz,
         return 0;
 }
 
+static int therm_est_set_trip_temp(struct thermal_zone_device *thz,
+                                        int trip,
+                                        unsigned long temp)
+{
+        struct therm_estimator *est = thz->devdata;
+
+        est->trip_temp = temp;
+
+        return 0;
+}
+
 static int therm_est_get_temp(struct thermal_zone_device *thz,
                                 unsigned long *temp)
 {
@@ -142,6 +153,7 @@ static struct thermal_zone_device_ops therm_est_ops = {
         .unbind = therm_est_unbind,
         .get_trip_type = therm_est_get_trip_type,
         .get_trip_temp = therm_est_get_trip_temp,
+        .set_trip_temp = therm_est_set_trip_temp,
         .get_temp = therm_est_get_temp,
 };