Thermal: Provide option to choose default thermal governor

This patch provides option to choose the default thermal
governor. If no option is provided, the step_wise
governor is selected by default.

Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index f679eea2addb..266c15eb89ea 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -73,3 +73,34 @@ config USER_SPACE
         depends on THERMAL
         help
           Enable this to let the user space manage the platform thermals.
+
+choice
+        prompt "Default Thermal governor"
+        depends on THERMAL
+        default THERMAL_DEFAULT_GOV_STEP_WISE
+        help
+          This option sets which thermal governor shall be loaded at
+          startup. If in doubt, select 'step_wise'.
+
+config THERMAL_DEFAULT_GOV_STEP_WISE
+        bool "step_wise"
+        select STEP_WISE
+        help
+          Use the step_wise governor as default. This throttles the
+          devices one step at a time.
+
+config THERMAL_DEFAULT_GOV_FAIR_SHARE
+        bool "fair_share"
+        select FAIR_SHARE
+        help
+          Use the fair_share governor as default. This throttles the
+          devices based on their 'contribution' to a zone. The
+          contribution should be provided through platform data.
+
+config THERMAL_DEFAULT_GOV_USER_SPACE
+        bool "user_space"
+        select USER_SPACE
+        help
+          Select this if you want to let the user space manage the
+          platform thermals.
+endchoice