New device flag for broken PTP_OPC_DateModified
diff --git a/src/device-flags.h b/src/device-flags.h
index 47852f7..66746b4 100644
--- a/src/device-flags.h
+++ b/src/device-flags.h
@@ -183,3 +183,10 @@
* to be stored, per playlist.
*/
#define DEVICE_FLAG_PLAYLIST_SPL_V2 0x00002000
+/**
+ * The Sansa E250 is know to have this problem which is actually
+ * that the device claims that property PTP_OPC_DateModified
+ * is read/write but will still fail to update it. It can only
+ * be set properly the first time a file is sent.
+ */
+#define DEVICE_FLAG_CANNOT_UPDATE_DATEMODIFIED 0x00004000