ASoC: rsnd: add DeviceTree support
Support for loading the Renesas R-Car sound driver via DeviceTree.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index ea6a214..eee75eb 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -628,7 +628,41 @@
return &((struct rsnd_src *)(priv->src) + id)->mod;
}
+static void rsnd_of_parse_src(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct device_node *src_node;
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct rsnd_src_platform_info *src_info;
+ struct device *dev = &pdev->dev;
+ int nr;
+
+ if (!of_data)
+ return;
+
+ src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
+ if (!src_node)
+ return;
+
+ nr = of_get_child_count(src_node);
+ if (!nr)
+ return;
+
+ src_info = devm_kzalloc(dev,
+ sizeof(struct rsnd_src_platform_info) * nr,
+ GFP_KERNEL);
+ if (!src_info) {
+ dev_err(dev, "src info allocation error\n");
+ return;
+ }
+
+ info->src_info = src_info;
+ info->src_info_nr = nr;
+}
+
int rsnd_src_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
struct rsnd_priv *priv)
{
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
@@ -639,6 +673,8 @@
char name[RSND_SRC_NAME_SIZE];
int i, nr;
+ rsnd_of_parse_src(pdev, of_data, priv);
+
/*
* init SRC
*/