drm_hwcomposer: Change return type of DrmProperty::value() to tuple

To keep consistent with other functions

Change-Id: I11ba07eabcee08f3db09b3a5422bc480482a62c1
Signed-off-by: Sean Paul <seanpaul@chromium.org>

3 files changed, 11 insertions, 16 deletions

diff --git a/drmplane.cpp b/drmplane.cpp
index 35f91b4..6f1bf9b 100644
--- a/drmplane.cpp
+++ b/drmplane.cpp
@@ -42,7 +42,7 @@ int DrmPlane::Init() {
   }
 
   uint64_t type;
-  ret = p.value(&type);
+  std::tie(ret, type) = p.value();
   if (ret) {
     ALOGE("Failed to get plane type property value");
     return ret;
diff --git a/drmproperty.cpp b/drmproperty.cpp
index 9faa37e..9a28374 100644
--- a/drmproperty.cpp
+++ b/drmproperty.cpp
@@ -70,33 +70,28 @@ std::string DrmProperty::name() const {
   return name_;
 }
 
-int DrmProperty::value(uint64_t *value) const {
-  if (type_ == DRM_PROPERTY_TYPE_BLOB) {
-    *value = value_;
-    return 0;
-  }
+std::tuple<int, uint64_t> DrmProperty::value() const {
+  if (type_ == DRM_PROPERTY_TYPE_BLOB)
+    return std::make_tuple(0, value_);
 
   if (values_.size() == 0)
-    return -ENOENT;
+    return std::make_tuple(-ENOENT, 0);
 
   switch (type_) {
     case DRM_PROPERTY_TYPE_INT:
-      *value = value_;
-      return 0;
+      return std::make_tuple(0, value_);
 
     case DRM_PROPERTY_TYPE_ENUM:
       if (value_ >= enums_.size())
-        return -ENOENT;
+        return std::make_tuple(-ENOENT, 0);
 
-      *value = enums_[value_].value_;
-      return 0;
+      return std::make_tuple(0, enums_[value_].value_);
 
     case DRM_PROPERTY_TYPE_OBJECT:
-      *value = value_;
-      return 0;
+      return std::make_tuple(0, value_);
 
     default:
-      return -EINVAL;
+      return std::make_tuple(-EINVAL, 0);
   }
 }
 
diff --git a/drmproperty.h b/drmproperty.h
index f1328fe..36cd63d 100644
--- a/drmproperty.h
+++ b/drmproperty.h
@@ -45,7 +45,7 @@ class DrmProperty {
   uint32_t id() const;
   std::string name() const;
 
-  int value(uint64_t *value) const;
+  std::tuple<int, uint64_t> value() const;
   bool immutable() const;
 
  private: