thermal: add the support for building the generic thermal as a module

Build the generic thermal driver as module "thermal_sys".

Make ACPI thermal, video, processor and fan SELECT the generic
thermal driver, as these drivers rely on it to build the sysfs I/F.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index b4f5e8542829..c52fca833268 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -140,6 +140,7 @@ config ACPI_VIDEO
         tristate "Video"
         depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL
         depends on INPUT
+        select THERMAL
         help
           This driver implement the ACPI Extensions For Display Adapters
           for integrated graphics devices on motherboard, as specified in
@@ -151,6 +152,7 @@ config ACPI_VIDEO
 
 config ACPI_FAN
         tristate "Fan"
+        select THERMAL
         default y
         help
           This driver adds support for ACPI fan devices, allowing user-mode 
@@ -172,6 +174,7 @@ config ACPI_BAY
 
 config ACPI_PROCESSOR
         tristate "Processor"
+        select THERMAL
         default y
         help
           This driver installs ACPI as the idle handler for Linux, and uses