ASoC: axi-i2s: make both "rx" and "tx" optional

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Both the capture and playback channels are optional in the axi_i2s IP
block. Document how to tell the driver which channels are
instantiated.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Luca Ceresoli 2019-03-07 22:44:56 +01:00 • committed by Mark Brown

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Documentation/devicetree/bindings/sound/adi,axi-i2s.txt

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