[alsa-devel] [PATCH] ASoC: ak4642: Implement suspend callback

[Peter Ujfalusi]

Mark,

On 05/31/16 13:14, Peter Ujfalusi wrote:
> Add the suspend callback to accompany the existing resume operation.
> With the suspend/resume callbacks the regmap (regcache) state handling can
> follow the recommended sequence.

Please ignore this patch. I have sent v2 which will take the suspend callback
into use.

-- 
Péter

> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
> ---
>  sound/soc/codecs/ak4642.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
> index 4d8b9e49e8d6..ca9e82568b3c 100644
> --- a/sound/soc/codecs/ak4642.c
> +++ b/sound/soc/codecs/ak4642.c
> @@ -523,15 +523,23 @@ static struct snd_soc_dai_driver ak4642_dai = {
>  	.symmetric_rates = 1,
>  };
>  
> -static int ak4642_resume(struct snd_soc_codec *codec)
> +static int ak4642_suspend(struct snd_soc_codec *codec)
>  {
>  	struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
>  
> +	regcache_cache_only(regmap, true);
>  	regcache_mark_dirty(regmap);
> -	regcache_sync(regmap);
>  	return 0;
>  }
>  
> +static int ak4642_resume(struct snd_soc_codec *codec)
> +{
> +	struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
> +
> +	regcache_cache_only(regmap, false);
> +	regcache_sync(regmap);
> +	return 0;
> +}
>  static int ak4642_probe(struct snd_soc_codec *codec)
>  {
>  	struct ak4642_priv *priv = snd_soc_codec_get_drvdata(codec);
>