65 lines
1.8 KiB
YAML
65 lines
1.8 KiB
YAML
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/sound/audio-iio-aux.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: Audio IIO auxiliary
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Herve Codina <herve.codina@bootlin.com>
|
||
|
|
|
||
|
|
description:
|
||
|
|
Auxiliary device based on Industrial I/O device channels
|
||
|
|
|
||
|
|
allOf:
|
||
|
|
- $ref: dai-common.yaml#
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
const: audio-iio-aux
|
||
|
|
|
||
|
|
io-channels:
|
||
|
|
description:
|
||
|
|
Industrial I/O device channels used
|
||
|
|
|
||
|
|
io-channel-names:
|
||
|
|
description:
|
||
|
|
Industrial I/O channel names related to io-channels.
|
||
|
|
These names are used to provides sound controls, widgets and routes names.
|
||
|
|
|
||
|
|
snd-control-invert-range:
|
||
|
|
$ref: /schemas/types.yaml#/definitions/uint32-array
|
||
|
|
description: |
|
||
|
|
A list of 0/1 flags defining whether or not the related channel is
|
||
|
|
inverted
|
||
|
|
items:
|
||
|
|
enum: [0, 1]
|
||
|
|
default: 0
|
||
|
|
description: |
|
||
|
|
Invert the sound control value compared to the IIO channel raw value.
|
||
|
|
- 1: The related sound control value is inverted meaning that the
|
||
|
|
minimum sound control value correspond to the maximum IIO channel
|
||
|
|
raw value and the maximum sound control value correspond to the
|
||
|
|
minimum IIO channel raw value.
|
||
|
|
- 0: The related sound control value is not inverted meaning that the
|
||
|
|
minimum (resp maximum) sound control value correspond to the
|
||
|
|
minimum (resp maximum) IIO channel raw value.
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- io-channels
|
||
|
|
- io-channel-names
|
||
|
|
|
||
|
|
unevaluatedProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
iio-aux {
|
||
|
|
compatible = "audio-iio-aux";
|
||
|
|
io-channels = <&iio 0>, <&iio 1>, <&iio 2>, <&iio 3>;
|
||
|
|
io-channel-names = "CH0", "CH1", "CH2", "CH3";
|
||
|
|
/* Invert CH1 and CH2 */
|
||
|
|
snd-control-invert-range = <0 1 1 0>;
|
||
|
|
};
|