diff options
| author | Angela Czubak <aczubak@google.com> | 2025-08-18 23:08:44 +0000 |
|---|---|---|
| committer | Benjamin Tissoires <bentiss@kernel.org> | 2025-09-15 14:32:54 +0200 |
| commit | 7075ae4ac9db93a3e762f3c2793ad57dbbf8a120 (patch) | |
| tree | 8644077b366e875c8d07bff45b45de24adc6fb0c /Documentation/input | |
| parent | 08a72a220e960e7f153a810fb633638afd0b7563 (diff) | |
Input: add INPUT_PROP_HAPTIC_TOUCHPAD
INPUT_PROP_HAPTIC_TOUCHPAD property is to be set for a device with simple
haptic capabilities.
Signed-off-by: Angela Czubak <aczubak@google.com>
Co-developed-by: Jonathan Denose <jdenose@google.com>
Signed-off-by: Jonathan Denose <jdenose@google.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Diffstat (limited to 'Documentation/input')
| -rw-r--r-- | Documentation/input/event-codes.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/input/event-codes.rst b/Documentation/input/event-codes.rst index b4557462edd7..1ead9bb8d9c6 100644 --- a/Documentation/input/event-codes.rst +++ b/Documentation/input/event-codes.rst @@ -400,6 +400,20 @@ can report through the rotational axes (absolute and/or relative rx, ry, rz). All other axes retain their meaning. A device must not mix regular directional axes and accelerometer axes on the same event node. +INPUT_PROP_HAPTIC_TOUCHPAD +-------------------------- + +The INPUT_PROP_HAPTIC_TOUCHPAD property indicates that device: +- supports simple haptic auto and manual triggering +- can differentiate between at least 5 fingers +- uses correct resolution for the X/Y (units and value) +- reports correct force per touch, and correct units for them (newtons or grams) +- follows the MT protocol type B + +Summing up, such devices follow the MS spec for input devices in +Win8 and Win8.1, and in addition support the Simple haptic controller HID table, +and report correct units for the pressure. + Guidelines ========== |