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

Nicolin Chen b42378 at freescale.com
Fri Dec 6 15:31:39 CET 2013


On Fri, Dec 06, 2013 at 02:34:33PM +0000, Mark Brown wrote:
> 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?

Thank you for the advice, I will revise it.

Best regards,
Nicolin Chen




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