[PATCH 1/4] Input: Add trackpoint doubletap and system debug info keycodes

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Add support for new input events on Lenovo laptops that need exporting to
user space.

Lenovo trackpoints are adding the ability to generate a doubletap event.
Add a new keycode to allow this to be used by userspace.

Lenovo support is using FN+N with Windows to collect needed details for
support cases. Add a keycode so that we'll be able to provide similar
support on Linux.

Suggested-by: Peter Hutterer <peter.hutterer@xxxxxxxxxx>

Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
Signed-off-by: Nitin Joshi <njoshi1@xxxxxxxxxx>
Signed-off-by: Vishnu Sankar <vsankar@xxxxxxxxxx>
 include/uapi/linux/input-event-codes.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 03edf2ccdf6c..bd3baca95749 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -686,6 +686,8 @@
 #define KEY_SIDEVU_SONAR               0x287
 #define KEY_NAV_INFO                   0x288
 #define KEY_BRIGHTNESS_MENU            0x289
+#define KEY_DOUBLECLICK                0x28a
+#define KEY_SYS_DEBUG_INFO             0x28b
  * Some keyboards have keys which do not have a defined meaning, these keys

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