bindings/sound/audio-iio-aux.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/audio-iio-aux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Audio IIO auxiliary
10   - Herve Codina <herve.codina@bootlin.com>
16   - $ref: dai-common.yaml#
20     const: audio-iio-aux
22   io-channels:
26   io-channel-names:
28       Industrial I/O channel names related to io-channels.
31   snd-control-invert-range:
32     $ref: /schemas/types.yaml#/definitions/uint32-array
34       A list of 0/1 flags defining whether or not the related channel is
40         Invert the sound control value compared to the IIO channel raw value.
41           - 1: The related sound control value is inverted meaning that the
42                minimum sound control value correspond to the maximum IIO channel
44                minimum IIO channel raw value.
45           - 0: The related sound control value is not inverted meaning that the
47                minimum (resp maximum) IIO channel raw value.
50   - compatible
51   - io-channels
52   - io-channel-names
57   - |
58     iio-aux {
59         compatible = "audio-iio-aux";
60         io-channels = <&iio 0>, <&iio 1>, <&iio 2>, <&iio 3>;
61         io-channel-names = "CH0", "CH1", "CH2", "CH3";
63         snd-control-invert-range = <0 1 1 0>;