Re: [PATCH 2/3] ASoC: fsl: imx-wm8962: Grant hw_params/free()permission to control FLL

From: Mark Brown
Date: Fri Dec 06 2013 - 09:35:07 EST


On Fri, Dec 06, 2013 at 05:47:43PM +0800, Nicolin Chen wrote:

> +static int imx_wm8962_enable_fll(struct snd_soc_dai *codec_dai, u32 sample_rate,
> + snd_pcm_format_t sample_format)
> +{
> + struct imx_priv *priv = &card_priv;
> + struct device *dev = &priv->pdev->dev;
> + struct imx_wm8962_data *data = platform_get_drvdata(priv->pdev);
> + u32 freq, ret;
> +
> + if (data->fll_lock)
> + return 0;

Don't we need an actual lock to protect this?

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