Input: Add INPUT_PROP_TOPBUTTONPAD device property
commit f37c013409
upstream.
On some newer laptops with a trackpoint the physical buttons for the
trackpoint have been removed to allow for a larger touchpad. On these
laptops the buttonpad has clearly marked areas on the top which are to be
used as trackpad buttons.
Users of the event device-node need to know about this, so that they can
properly interpret BTN_LEFT events as being a left / right / middle click
depending on where on the button pad the clicking finger is.
This commits adds a INPUT_PROP_TOPBUTTONPAD device property which drivers
for such buttonpads will use to signal to the user that this buttonpad not
only has the normal bottom button area, but also a top button area.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -164,6 +164,7 @@ struct input_keymap_entry {
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#define INPUT_PROP_DIRECT 0x01 /* direct input devices */
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#define INPUT_PROP_BUTTONPAD 0x02 /* has button(s) under pad */
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#define INPUT_PROP_SEMI_MT 0x03 /* touch rectangle only */
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#define INPUT_PROP_TOPBUTTONPAD 0x04 /* softbuttons at top of pad */
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#define INPUT_PROP_MAX 0x1f
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#define INPUT_PROP_CNT (INPUT_PROP_MAX + 1)
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