1 files changed, 17 insertions, 0 deletions

diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 53fbae27b280..ae366b87426a 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -708,6 +708,14 @@
 #define REL_DIAL                0x07
 #define REL_WHEEL               0x08
 #define REL_MISC                0x09
+/*
+ * 0x0a is reserved and should not be used in input drivers.
+ * It was used by HID as REL_MISC+1 and userspace needs to detect if
+ * the next REL_* event is correct or is just REL_MISC + n.
+ * We define here REL_RESERVED so userspace can rely on it and detect
+ * the situation described above.
+ */
+#define REL_RESERVED            0x0a
 #define REL_MAX                 0x0f
 #define REL_CNT                 (REL_MAX+1)
 
@@ -744,6 +752,15 @@
 
 #define ABS_MISC                0x28
 
+/*
+ * 0x2e is reserved and should not be used in input drivers.
+ * It was used by HID as ABS_MISC+6 and userspace needs to detect if
+ * the next ABS_* event is correct or is just ABS_MISC + n.
+ * We define here ABS_RESERVED so userspace can rely on it and detect
+ * the situation described above.
+ */
+#define ABS_RESERVED            0x2e
+
 #define ABS_MT_SLOT             0x2f    /* MT slot being modified */
 #define ABS_MT_TOUCH_MAJOR      0x30    /* Major axis of touching ellipse */
 #define ABS_MT_TOUCH_MINOR      0x31    /* Minor axis (omit if circular) */