On Mon, Feb 21, 2022 at 04:05:12PM +0100, Sascha Hauer wrote: > 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? That's the right way to go - the CODEC will have some constraints on what it supports that need to be advertised, sometimes there's GPIOs for a control interface and someone might want to hook up a clock or some regulators. There's several existing drivers like this.
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