C++ (Cpp) snd_soc_of_parse_audio_simple_widgets Examples

Example #1

File: simple-card.c Project: c4dsouza/linux

static int asoc_simple_card_parse_of(struct device_node *node,
				     struct simple_card_data *priv)
{
	struct device *dev = simple_priv_to_dev(priv);
	enum of_gpio_flags flags;
	u32 val;
	int ret;

	if (!node)
		return -EINVAL;

	/* Parse the card name from DT */
	snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name");

	/* The off-codec widgets */
	if (of_property_read_bool(node, "simple-audio-card,widgets")) {
		ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card,
					"simple-audio-card,widgets");
		if (ret)
			return ret;
	}

	/* DAPM routes */
	if (of_property_read_bool(node, "simple-audio-card,routing")) {
		ret = snd_soc_of_parse_audio_routing(&priv->snd_card,
					"simple-audio-card,routing");
		if (ret)
			return ret;
	}

	/* Factor to mclk, used in hw_params() */
	ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val);
	if (ret == 0)
		priv->mclk_fs = val;

	dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ?
		priv->snd_card.name : "");

	/* Single/Muti DAI link(s) & New style of DT node */
	if (of_get_child_by_name(node, "simple-audio-card,dai-link")) {
		struct device_node *np = NULL;
		int i = 0;

		for_each_child_of_node(node, np) {
			dev_dbg(dev, "\tlink %d:\n", i);
			ret = asoc_simple_card_dai_link_of(np, priv,
							   i, false);
			if (ret < 0) {
				of_node_put(np);
				return ret;
			}
			i++;
		}
	} else {

Example #2

File: simple-card.c Project: Ayokunle/linux

static int asoc_simple_card_parse_of(struct device_node *node,
				     struct simple_card_data *priv)
{
	struct device *dev = simple_priv_to_dev(priv);
	struct device_node *dai_link;
	int ret;

	if (!node)
		return -EINVAL;

	dai_link = of_get_child_by_name(node, PREFIX "dai-link");

	/* The off-codec widgets */
	if (of_property_read_bool(node, PREFIX "widgets")) {
		ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card,
					PREFIX "widgets");
		if (ret)
			goto card_parse_end;
	}

	/* DAPM routes */
	if (of_property_read_bool(node, PREFIX "routing")) {
		ret = snd_soc_of_parse_audio_routing(&priv->snd_card,
					PREFIX "routing");
		if (ret)
			goto card_parse_end;
	}

	/* Factor to mclk, used in hw_params() */
	of_property_read_u32(node, PREFIX "mclk-fs", &priv->mclk_fs);

	/* Single/Muti DAI link(s) & New style of DT node */
	if (dai_link) {
		struct device_node *np = NULL;
		int i = 0;

		for_each_child_of_node(node, np) {
			dev_dbg(dev, "\tlink %d:\n", i);
			ret = asoc_simple_card_dai_link_of(np, priv,
							   i, false);
			if (ret < 0) {
				of_node_put(np);
				goto card_parse_end;
			}
			i++;
		}
	} else {

Example #3

File: simple-card-utils.c Project: tdaven/linux

int asoc_simple_card_of_parse_widgets(struct snd_soc_card *card,
				      char *prefix)
{
	struct device_node *node = card->dev->of_node;
	char prop[128];

	if (!prefix)
		prefix = "";

	snprintf(prop, sizeof(prop), "%s%s", prefix, "widgets");

	if (of_property_read_bool(node, prop))
		return snd_soc_of_parse_audio_simple_widgets(card, prop);

	/* no widgets is not error */
	return 0;
}