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authorIngo Molnar <mingo@kernel.org>2018-12-17 17:46:26 +0100
committerIngo Molnar <mingo@kernel.org>2018-12-17 17:46:26 +0100
commit76aea1eeb98d2d75d9297fda777efeffe3657aeb (patch)
tree18fdf94ec846b553f1e60438279a3b449897189b /include/uapi/linux/input-event-codes.h
parent43b9e4febc66b98d83cc1560196d56ac7fef3c32 (diff)
parent7566ec393f4161572ba6f11ad5171fd5d59b0fbd (diff)
Merge tag 'v4.20-rc7' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/uapi/linux/input-event-codes.h')
-rw-r--r--include/uapi/linux/input-event-codes.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 3eb5a4c3d60a..ae366b87426a 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -752,6 +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) */