49 lines
1.1 KiB
YAML
49 lines
1.1 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/nvidia,tegra210-peq.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Tegra210 PEQ
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description:
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The Parametric Equalizer (PEQ) is a cascade of biquad filters with
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each filter tuned based on certain parameters. It can be used to
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equalize the irregularities in the speaker frequency response.
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PEQ sits inside Output Processing Engine (OPE) which interfaces
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with Audio Hub (AHUB) via Audio Client Interface (ACIF).
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maintainers:
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- Jon Hunter <jonathanh@nvidia.com>
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- Mohan Kumar <mkumard@nvidia.com>
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- Sameer Pujar <spujar@nvidia.com>
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properties:
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compatible:
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oneOf:
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- const: nvidia,tegra210-peq
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- items:
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- enum:
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- nvidia,tegra234-peq
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- nvidia,tegra194-peq
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- nvidia,tegra186-peq
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- const: nvidia,tegra210-peq
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reg:
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maxItems: 1
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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equalizer@702d8100 {
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compatible = "nvidia,tegra210-peq";
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reg = <0x702d8100 0x100>;
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};
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...
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