Codec without controls in device tree

[Sascha Hauer]

Hi,

I have several i.MX8 boards here which have codecs connected to them
which are really just plane D/A converters without any control interface
like a pcm1754 or a pcm4104 in hardware mode. Currently we use the
simple-audio-card OF driver with custom codec code in sound/soc/codecs/.
The codec does nothing except specifying desired rates, channels and
formats.
Is this the way to go or is there some device tree solution to get rid
of the codec?

Sascha

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