[alsa-devel] [PATCH 3/3] ASoC: codecs: adau1701: add support for pin muxing

[Lars-Peter Clausen]

On 06/20/2013 07:29 PM, Daniel Mack wrote:
> [...]
>  static int adau1701_probe(struct snd_soc_codec *codec)
>  {
> -	int ret;
> +	int ret, i;
> +	unsigned int val;
>  	struct i2c_client *client = to_i2c_client(codec->dev);
>  	struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(codec);
>  
> @@ -576,6 +584,19 @@ static int adau1701_probe(struct snd_soc_codec *codec)
>  	regmap_write(adau1701->regmap, ADAU1701_DACSET, ADAU1701_DACSET_DACINIT);
>  	regmap_write(adau1701->regmap, ADAU1701_DSPCTRL, ADAU1701_DSPCTRL_CR);
>  
> +	/* set up pin config */
> +	val = 0;
> +	for (i = 0; i < 6; i++)
> +		val |= adau1701->pin_config[i] << (i * 4);
> +
> +	regmap_write(adau1701->regmap, ADAU1701_PINCONF_0, val);
> +
> +	val = 0;
> +	for (i = 0; i < 6; i++)
> +		val |= adau1701->pin_config[i + 6] << (i * 4);
> +
> +	regmap_write(adau1701->regmap, ADAU1701_PINCONF_1, val);

Will the config survive a reset?