2 files changed, 26 insertions, 3 deletions

diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index d584047b072b..76457eef172a 100644
--- a/include/uapi/linux/input.h
+++ b/include/uapi/linux/input.h
@@ -716,6 +716,14 @@ struct input_keymap_entry {
 #define BTN_DPAD_LEFT           0x222
 #define BTN_DPAD_RIGHT          0x223
 
+#define BTN_FRET_FAR_UP         0x224
+#define BTN_FRET_UP             0x225
+#define BTN_FRET_MID            0x226
+#define BTN_FRET_LOW            0x227
+#define BTN_FRET_FAR_LOW        0x228
+#define BTN_STRUM_BAR_UP        0x229
+#define BTN_STRUM_BAR_DOWN      0x22a
+
 #define BTN_TRIGGER_HAPPY               0x2c0
 #define BTN_TRIGGER_HAPPY1              0x2c0
 #define BTN_TRIGGER_HAPPY2              0x2c1
@@ -829,8 +837,21 @@ struct input_keymap_entry {
 #define ABS_MT_TOOL_X           0x3c    /* Center X tool position */
 #define ABS_MT_TOOL_Y           0x3d    /* Center Y tool position */
 
-
-#define ABS_MAX                 0x3f
+/* Drums and guitars (mostly toys) */
+#define ABS_TOM_FAR_LEFT        0x40
+#define ABS_TOM_LEFT            0x41
+#define ABS_TOM_RIGHT           0x42
+#define ABS_TOM_FAR_RIGHT       0x43
+#define ABS_CYMBAL_FAR_LEFT     0x44
+#define ABS_CYMBAL_LEFT         0x45
+#define ABS_CYMBAL_RIGHT        0x46
+#define ABS_CYMBAL_FAR_RIGHT    0x47
+#define ABS_BASS                0x48
+#define ABS_HI_HAT              0x49
+#define ABS_FRET_BOARD          0x4a    /* Guitar fret board, vertical pos */
+#define ABS_WHAMMY_BAR          0x4b    /* Guitar whammy bar (or vibrato) */
+
+#define ABS_MAX                 0x4f
 #define ABS_CNT                 (ABS_MAX+1)
 
 /*
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;