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#
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
43                raw value and the maximum sound control value correspond to the
44                minimum IIO channel raw value.
45           - 0: The related sound control value is not inverted meaning that the
46                minimum (resp maximum) sound control value correspond to 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>;