On Mon, Jan 27, 2014 at 09:48:54AM +0100, Jean-Francois Moine wrote:

> +             /* change the snd_soc_pcm_stream values of the driver */
> +             stream->rates = rate_mask;
> +             stream->channels_max = max_channels;
> +             stream->formats = formats;

> +     /* copy the DAI driver to a writable area */
> +     dai_drv = devm_kzalloc(&pdev->dev, sizeof(tda998x_dai), GFP_KERNEL);
> +     if (!dai_drv)
> +             return -ENOMEM;
> +     memcpy(dai_drv, tda998x_dai, sizeof(tda998x_dai));
> +

The code should be doing this by setting constraints based on the
current setup rather than by editing the data structure - the expecation
is very much that the data won't change so this prevents surprises with
future work on the core.

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