Implement changes to read GPIO device for cooling type.

Change-Id: If40a54510fb05d67ee0bfdf24026c1d7470897ca
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>

1 files changed, 19 insertions, 8 deletions

diff --git a/cooling-type/cooling_type.hpp b/cooling-type/cooling_type.hpp
index 8775a42..aa02bfa 100644
--- a/cooling-type/cooling_type.hpp
+++ b/cooling-type/cooling_type.hpp
@@ -1,5 +1,6 @@
 #pragma once
 #include "utility.hpp"
+#include <libevdev/libevdev.h>
 
 namespace phosphor
 {
@@ -11,6 +12,14 @@ namespace type
 constexpr auto INVENTORY_PATH = "/xyz/openbmc_project/inventory";
 constexpr auto INVENTORY_INTF = "xyz.openbmc_project.Inventory.Manager";
 
+struct FreeEvDev
+{
+    void operator()(struct libevdev* device) const
+    {
+        libevdev_free(device);
+    }
+};
+
 class CoolingType
 {
         using Property = std::string;
@@ -39,6 +48,7 @@ class CoolingType
          */
         CoolingType(sdbusplus::bus::bus& bus) : bus(bus)
         {
+            //TODO: Issue openbmc/openbmc#1531 - means to default properties.
         }
 
         /**
@@ -52,15 +62,16 @@ class CoolingType
         /**
          * @brief Updates the inventory properties for CoolingType.
          *
-         * @param[in] path - D-Bus path
+         * @param[in] path - Path to object to update
          */
-        void updateInventory(const std::string&);
+        void updateInventory(const std::string& path);
         /**
-         * @brief Setup the GPIO device for reading cooling type.
+         * @brief Setup and read the GPIO device for reading cooling type.
          *
-         * @param[in] - Path to object to update
+         * @param[in] path - Path to the GPIO device file to read
+         * @param[in] pin  - Event/key code to read (pin)
          */
-        void setupGpio(const std::string&);
+        void readGpio(const std::string& path, unsigned int pin);
 
     private:
         /** @brief Connection for sdbusplus bus */
@@ -73,11 +84,11 @@ class CoolingType
         /**
          * @brief Construct the inventory object map for CoolingType.
          *
-         * @param[in] - Path to object to update
+         * @param[in] objpath - Path to object to update
          *
          * @return The inventory object map to update inventory
-        */
-        ObjectMap getObjectMap(const std::string&);
+         */
+        ObjectMap getObjectMap(const std::string& objpath);
 
 };