diff options
| author | Jeffy Chen <jeffy.chen@rock-chips.com> | 2018-03-09 03:03:27 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-03-14 20:13:22 +0300 |
| commit | 83fc580dcc2f0f36114477c4ac7adbe5c32329a3 (patch) | |
| tree | 848ad4e17ccb5afa3e056de894955b4b6efd28d2 /Documentation/devicetree/bindings/input | |
| parent | 7085123333e2ee2686086fc49bc3117bacd86105 (diff) | |
| download | linux-83fc580dcc2f0f36114477c4ac7adbe5c32329a3.tar.xz | |
Input: gpio-keys - add support for wakeup event action
Add support for specifying event actions to trigger wakeup when using
the gpio-keys input device as a wakeup source.
This would allow the device to configure when to wakeup the system. For
example a gpio-keys input device for pen insert, may only want to wakeup
the system when ejecting the pen.
Suggested-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/input')
| -rw-r--r-- | Documentation/devicetree/bindings/input/gpio-keys.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt index a94940481e55..996ce84352cb 100644 --- a/Documentation/devicetree/bindings/input/gpio-keys.txt +++ b/Documentation/devicetree/bindings/input/gpio-keys.txt @@ -26,6 +26,14 @@ Optional subnode-properties: If not specified defaults to 5. - wakeup-source: Boolean, button can wake-up the system. (Legacy property supported: "gpio-key,wakeup") + - wakeup-event-action: Specifies whether the key should wake the + system when asserted, when deasserted, or both. This property is + only valid for keys that wake up the system (e.g., when the + "wakeup-source" property is also provided). + Supported values are defined in linux-event-codes.h: + EV_ACT_ASSERTED - asserted + EV_ACT_DEASSERTED - deasserted + EV_ACT_ANY - both asserted and deasserted - linux,can-disable: Boolean, indicates that button is connected to dedicated (not shared) interrupt which can be disabled to suppress events from the button. |