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Commit 503ae5e0 authored by Misael Lopez Cruz's avatar Misael Lopez Cruz Committed by Mark Brown
Browse files

ASoC: core: Add helpers for dai link and aux dev init 



Separate DAI link and aux dev initialization in preparation for
DAI multicodec support.
Since aux dev will remain using single codecs but DAI links
will be able to support multiple codecs.

No functional change.

Signed-off-by: default avatarMisael Lopez Cruz <misael.lopez@ti.com>
[fparent@baylibre.com: Adapt to 3.14+]
Signed-off-by: default avatarFabien Parent <fparent@baylibre.com>
Signed-off-by: default avatarBenoit Cousson <bcousson@baylibre.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 02c9c7b9

sound/soc/soc-core.c

+59 −8
Original line number Diff line number Diff line
@@ -1268,6 +1268,63 @@ static void rtd_release(struct device *dev) 
	kfree(dev);

}



static int soc_aux_dev_init(struct snd_soc_card *card,

			    struct snd_soc_codec *codec,

			    int num)

{

	struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];

	struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];

	const char *temp;

	int ret;



	rtd->card = card;



	temp = codec->name_prefix;

	codec->name_prefix = NULL;



	/* do machine specific initialization */

	if (aux_dev->init) {

		ret = aux_dev->init(&codec->dapm);

		if (ret < 0)

			return ret;

	}



	codec->name_prefix = temp;



	rtd->codec = codec;



	return 0;

}



static int soc_dai_link_init(struct snd_soc_card *card,

			     struct snd_soc_codec *codec,

			     int num)

{

	struct snd_soc_dai_link *dai_link =  &card->dai_link[num];

	struct snd_soc_pcm_runtime *rtd = &card->rtd[num];

	const char *temp;

	int ret;



	rtd->card = card;



	/* machine controls, routes and widgets are not prefixed */

	temp = codec->name_prefix;

	codec->name_prefix = NULL;



	/* do machine specific initialization */

	if (dai_link->init) {

		ret = dai_link->init(rtd);

		if (ret < 0)

			return ret;

	}



	codec->name_prefix = temp;



	rtd->codec = codec;



	return 0;

}



static int soc_post_component_init(struct snd_soc_card *card,

				   struct snd_soc_codec *codec,

				   int num, int dailess)
@@ -1282,26 +1339,20 @@ static int soc_post_component_init(struct snd_soc_card *card, 
		dai_link = &card->dai_link[num];

		rtd = &card->rtd[num];

		name = dai_link->name;

		ret = soc_dai_link_init(card, codec, num);

	} else {

		aux_dev = &card->aux_dev[num];

		rtd = &card->rtd_aux[num];

		name = aux_dev->name;

		ret = soc_aux_dev_init(card, codec, num);

	}

	rtd->card = card;



	/* do machine specific initialization */

	if (!dailess && dai_link->init)

		ret = dai_link->init(rtd);

	else if (dailess && aux_dev->init)

		ret = aux_dev->init(&codec->dapm);

	if (ret < 0) {

		dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret);

		return ret;

	}



	/* register the rtd device */

	rtd->codec = codec;



	rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL);

	if (!rtd->dev)

		return -ENOMEM;