[PATCH] ASoC: sunxi: sun4i-spdif: Implement IEC958 control

[Mark Brown]

On Mon, Nov 15, 2021 at 09:08:33PM +0100, Jernej Skrabec wrote:

> +	regmap_update_bits(host->regmap, SUN4I_SPDIF_TXCFG,
> +			   SUN4I_SPDIF_TXCFG_CHSTMODE |
> +			   SUN4I_SPDIF_TXCFG_NONAUDIO, reg);
> +
> +	return 0;

This should return 1 if the status changed, _update_bits_check() can
help here.
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