[alsa-devel] [PATCH v2 2/4] ASoC: davinci-evm: Add AM43xx-EPOS-EVM audio support
Lars-Peter Clausen
lars at metafoo.de
Tue Mar 4 15:12:17 CET 2014
> +static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
> + SND_SOC_DAPM_HP("Headphone Jack", NULL),
> + SND_SOC_DAPM_SPK("Speaker", NULL),
> + SND_SOC_DAPM_MIC("Mic Jack", NULL),
> +};
> +
> +/* Logic for EVMs with an aic31xx */
> +static int evm_aic31xx_init(struct snd_soc_pcm_runtime *rtd)
> +{
> + struct snd_soc_codec *codec = rtd->codec;
> + struct snd_soc_dapm_context *dapm = &codec->dapm;
Machine level DAPM elements should go into the card's DAPM context, not the
CODEC context. Also use rtd->card to get a pointer to the card instead of
rtd->codec->card.
> + struct device_node *np = codec->card->dev->of_node;
> + int ret;
> +
> + snd_soc_dapm_new_controls(dapm, aic31xx_dapm_widgets,
> + ARRAY_SIZE(aic31xx_dapm_widgets));
> +
> + if (np) {
> + ret = snd_soc_of_parse_audio_routing(codec->card,
> + "ti,audio-routing");
> + if (ret)
> + return ret;
> + }
> +
> + return 0;
> +}
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