1 files changed, 8 insertions, 2 deletions
diff --git a/fastboot/device/variables.cpp b/fastboot/device/variables.cpp
index 9ac2ddab6..75352489e 100644
--- a/fastboot/device/variables.cpp
+++ b/fastboot/device/variables.cpp
@@ -142,7 +142,7 @@ bool GetSlotUnbootable(FastbootDevice* device, const std::vector<std::string>& a
 
 bool GetMaxDownloadSize(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
                         std::string* message) {
-    *message = std::to_string(kMaxDownloadSizeDefault);
+    *message = android::base::StringPrintf("0x%X", kMaxDownloadSizeDefault);
     return true;
 }
 
@@ -194,7 +194,7 @@ bool GetPartitionSize(FastbootDevice* device, const std::vector<std::string>& ar
         return false;
     }
     uint64_t size = get_block_device_size(handle.fd());
-    *message = android::base::StringPrintf("%" PRIX64, size);
+    *message = android::base::StringPrintf("0x%" PRIX64, size);
     return true;
 }
 
@@ -300,3 +300,9 @@ std::vector<std::vector<std::string>> GetAllPartitionArgsNoSlot(FastbootDevice*
     }
     return args;
 }
+
+bool GetHardwareRevision(FastbootDevice* /* device */, const std::vector<std::string>& /* args */,
+                         std::string* message) {
+    *message = android::base::GetProperty("ro.revision", "");
+    return true;
+}