diff --git a/drm/crypto/1.0/ICryptoFactory.hal b/drm/crypto/1.0/ICryptoFactory.hal
index 0ac7828..4b60ccc 100644
--- a/drm/crypto/1.0/ICryptoFactory.hal
+++ b/drm/crypto/1.0/ICryptoFactory.hal
@@ -40,8 +40,9 @@
      * @param uuid uniquely identifies the drm scheme. See
      * http://dashif.org/identifiers/protection for uuid assignments
      * @param initData scheme-specific init data.
-     * @return status the status of the call. If the plugin can't
-     * be created, the HAL implementation must return ERROR_DRM_CANNOT_HANDLE.
+     * @return status the status of the call. The HAL implementation must return
+     * OK if the plugin is created and ERROR_DRM_CANNOT_HANDLE if the plugin
+     * cannot be created.
      * @return cryptoPlugin the created ICryptoPlugin
      */
     createPlugin(uint8_t[16] uuid, vec<uint8_t> initData)
diff --git a/drm/crypto/1.0/ICryptoPlugin.hal b/drm/crypto/1.0/ICryptoPlugin.hal
index e86c9f2..e892e3c 100644
--- a/drm/crypto/1.0/ICryptoPlugin.hal
+++ b/drm/crypto/1.0/ICryptoPlugin.hal
@@ -74,8 +74,8 @@
      * call to operate on a range of subsamples in a single call
      * @param source the input buffer for the decryption
      * @param destination the output buffer for the decryption
-     * @return status the status of the call. The status must be one of
-     * the following: ERROR_DRM_NO_LICENSE if no license keys have been
+     * @return status the status of the call. The status must be OK or one of
+     * the following errors: ERROR_DRM_NO_LICENSE if no license keys have been
      * loaded, ERROR_DRM_LICENSE_EXPIRED if the license keys have expired,
      * ERROR_DRM_RESOURCE_BUSY if the resources required to perform the
      * decryption are not available, ERROR_DRM_INSUFFICIENT_OUTPUT_PROTECTION
@@ -83,12 +83,9 @@
      * ERROR_DRM_SESSION_NOT_OPENED if the decrypt session is not opened, or
      * ERROR_DRM_CANNOT_HANDLE in other failure cases.
      * @return bytesWritten the number of bytes output from the decryption
-     * @return detailedError if the error is a vendor-specific error, the
-     * vendor's crypto HAL may provide a detailed error string to help
-     * describe the error.
      */
     decrypt(bool secure, uint8_t[16] keyId, uint8_t[16] iv, Mode mode,
         Pattern pattern, vec<SubSample> subSamples,
             memory source, DestinationBuffer destination)
-        generates(Status status, uint32_t bytesWritten, string detailedError);
+        generates(Status status, uint32_t bytesWritten);
 };
diff --git a/drm/crypto/1.0/default/CryptoPlugin.cpp b/drm/crypto/1.0/default/CryptoPlugin.cpp
index 9173d5b..7921852 100644
--- a/drm/crypto/1.0/default/CryptoPlugin.cpp
+++ b/drm/crypto/1.0/default/CryptoPlugin.cpp
@@ -119,7 +119,7 @@
             bytesWritten = 0;
         }
 
-        _hidl_cb(toStatus(status), bytesWritten, detailMessage.c_str());
+        _hidl_cb(toStatus(status), bytesWritten);
         return Void();
     }
 
diff --git a/drm/crypto/1.0/default/TypeConvert.cpp b/drm/crypto/1.0/default/TypeConvert.cpp
index d9cca6b..ed95d15 100644
--- a/drm/crypto/1.0/default/TypeConvert.cpp
+++ b/drm/crypto/1.0/default/TypeConvert.cpp
@@ -26,6 +26,9 @@
 Status toStatus(status_t legacyStatus) {
     Status status;
     switch(legacyStatus) {
+    case android::OK:
+        status = Status::OK;
+        break;
     case android::ERROR_DRM_NO_LICENSE:
         status = Status::ERROR_DRM_NO_LICENSE;
         break;
diff --git a/drm/crypto/1.0/types.hal b/drm/crypto/1.0/types.hal
index 7e853b8..e71d73a 100644
--- a/drm/crypto/1.0/types.hal
+++ b/drm/crypto/1.0/types.hal
@@ -18,6 +18,12 @@
 
 enum Status : uint32_t {
     /**
+     * The Crypto plugin must return OK when an operation completes without any
+     * errors.
+     */
+    OK,
+
+    /**
      * The Crypto Plugin must return ERROR_DRM_NO_LICENSE if decryption is
      * attempted when the license keys have not been loaded into the crypto
      * session.