Replace ICryptoPlugin's detailed error message
It had been removed since it didn't appear to be needed,
but was found to be necessary for functionality.
Test: gtests pass
Change-Id: Ib716a04218e8d5c81f5d7889a53dfa17beccecef
related-to-bug: 32815560
diff --git a/drm/crypto/1.0/ICryptoPlugin.hal b/drm/crypto/1.0/ICryptoPlugin.hal
index e892e3c..2f7fd87 100644
--- a/drm/crypto/1.0/ICryptoPlugin.hal
+++ b/drm/crypto/1.0/ICryptoPlugin.hal
@@ -83,9 +83,12 @@
* 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);
+ generates(Status status, uint32_t bytesWritten, string detailedError);
};