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# Copyright 2023 Google LLC
# SPDX-License-Identifier: Apache-2.0
description: |
Input longpress pseudo-device
Listens for key events as an input and produces key events as output
corresponding to short and long press.
Can be optionally be associated to a specific device to listen for events
only from that device.
Example configuration:
#include <zephyr/dt-bindings/input/input-event-codes.h>
longpress {
input = <&buttons>;
compatible = "zephyr,input-longpress";
input-codes = <INPUT_KEY_0>, <INPUT_KEY_1>;
short-codes = <INPUT_KEY_A>, <INPUT_KEY_B>;
long-codes = <INPUT_KEY_X>, <INPUT_KEY_Y>;
long-delay-ms = <1000>;
};
Example output:
# short press
input event: dev=buttons SYN type= 1 code= 11 value=1 # INPUT_KEY_0 press
# release before one second
input event: dev=buttons SYN type= 1 code= 11 value=0 # INPUT_KEY_0 release
input event: dev=longpress SYN type= 1 code= 30 value=1 # INPUT_KEY_A press
input event: dev=longpress SYN type= 1 code= 30 value=0 # INPUT_KEY_A release
# long press
input event: dev=buttons SYN type= 1 code= 11 value=1 # INPUT_KEY_0 press
# hold for more than one second
input event: dev=longpress SYN type= 1 code= 45 value=1 # INPUT_KEY_X press
# wait for release
input event: dev=buttons SYN type= 1 code= 11 value=0 # INPUT_KEY_0 release
input event: dev=longpress SYN type= 1 code= 45 value=0 # INPUT_KEY_X release
compatible: "zephyr,input-longpress"
properties:
input:
type: phandle
description: |
Input device phandle, if not specified listen for input from all devices.
input-codes:
type: array
required: true
description: |
Array of input event key codes (INPUT_KEY_* or INPUT_BTN_*).
short-codes:
type: array
description: |
Optional array of key codes to be generated for short press (INPUT_KEY_* or
INPUT_BTN_*).
long-codes:
type: array
required: true
description: |
Array of key codes to be generated for long press (INPUT_KEY_* or
INPUT_BTN_*).
long-delay-ms:
type: int
required: true
description: Time delay to register a long press in milliseconds.