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ASoC: rt5640: Allow to describe how LOUT is wired

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Depending on HW design, som boards may expect mono differential output
on LOUT. Describe a property that enables it.

Signed-off-by: Ondrej Jirman <megi@xff.cz>
Signed-off-by: Jarrah Gosbell <kernel@undef.tools>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221209105621.39237-2-kernel@undef.tools
Signed-off-by: Mark Brown <broonie@kernel.org>
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Ondrej Jirman 2022-12-09 10:56:21 +00:00 committed by Mark Brown
parent 44b54f54b4
commit d8510532cc
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Documentation/devicetree/bindings/sound/rt5640.txt
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@ -20,6 +20,9 @@ Optional properties:
- realtek,in3-differential
Boolean. Indicate MIC1/2/3 input are differential, rather than single-ended.
- realtek,lout-differential
Boolean. Indicate LOUT output is differential, rather than stereo.
- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
- realtek,dmic1-data-pin