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

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Message-ID: <YZLAJi12yBLgYSCD@sirena.org.uk>
Date:   Mon, 15 Nov 2021 20:16:38 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     mripard@...nel.org, wens@...e.org, lgirdwood@...il.com,
        perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: sunxi: sun4i-spdif: Implement IEC958 control

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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