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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-07-23 15:42:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-07-23 15:42:53 -0700 |
| commit | b292d6b5c4220d527c92316c0d11d16e9895f07e (patch) | |
| tree | da823cb677507c313643886b45dc3d03827c9d96 /Documentation/input | |
| parent | 7442cf9ac2de31b33311209476cd81398d3863cf (diff) | |
| parent | f62d14a8072b9756db36ba394e2b267470a40240 (diff) | |
| download | lwn-b292d6b5c4220d527c92316c0d11d16e9895f07e.tar.gz lwn-b292d6b5c4220d527c92316c0d11d16e9895f07e.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer fixes from Dmitry Torokhov:
"A few fixups for the input subsystem"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: document INPUT_PROP_TOPBUTTONPAD
Input: fix defuzzing logic
Input: sirfsoc-onkey - fix GPL v2 license string typo
Input: st-keyscan - fix 'defined but not used' compiler warnings
Input: synaptics - add min/max quirk for pnp-id LEN2002 (Edge E531)
Input: i8042 - add Acer Aspire 5710 to nomux blacklist
Input: ti_am335x_tsc - warn about incorrect spelling
Input: wacom - cleanup multitouch code when touch_max is 2
Diffstat (limited to 'Documentation/input')
| -rw-r--r-- | Documentation/input/event-codes.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/input/event-codes.txt b/Documentation/input/event-codes.txt index f1ea2c69648d..c587a966413e 100644 --- a/Documentation/input/event-codes.txt +++ b/Documentation/input/event-codes.txt @@ -281,6 +281,19 @@ gestures can normally be extracted from it. If INPUT_PROP_SEMI_MT is not set, the device is assumed to be a true MT device. +INPUT_PROP_TOPBUTTONPAD: +----------------------- +Some laptops, most notably the Lenovo *40 series provide a trackstick +device but do not have physical buttons associated with the trackstick +device. Instead, the top area of the touchpad is marked to show +visual/haptic areas for left, middle, right buttons intended to be used +with the trackstick. + +If INPUT_PROP_TOPBUTTONPAD is set, userspace should emulate buttons +accordingly. This property does not affect kernel behavior. +The kernel does not provide button emulation for such devices but treats +them as any other INPUT_PROP_BUTTONPAD device. + Guidelines: ========== The guidelines below ensure proper single-touch and multi-finger functionality. |