1 files changed, 3 insertions, 1 deletions

diff --git a/include/uapi/linux/uhid.h b/include/uapi/linux/uhid.h
index e9ed951e2b09..414b74be4da1 100644
--- a/include/uapi/linux/uhid.h
+++ b/include/uapi/linux/uhid.h
@@ -30,7 +30,7 @@ enum uhid_event_type {
         UHID_OPEN,
         UHID_CLOSE,
         UHID_OUTPUT,
-        UHID_OUTPUT_EV,
+        UHID_OUTPUT_EV,                 /* obsolete! */
         UHID_INPUT,
         UHID_FEATURE,
         UHID_FEATURE_ANSWER,
@@ -69,6 +69,8 @@ struct uhid_output_req {
         __u8 rtype;
 } __attribute__((__packed__));
 
+/* Obsolete! Newer kernels will no longer send these events but instead convert
+ * it into raw output reports via UHID_OUTPUT. */
 struct uhid_output_ev_req {
         __u16 type;
         __u16 code;