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author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2014-03-17 19:29:55 -0700 |
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committer | Mark Brown <broonie@linaro.org> | 2014-03-21 18:14:56 +0000 |
commit | 90e8e50fce3585d6f9902701de08389b027dadc6 (patch) | |
tree | 67971cdae1de6d546e530d05ba3964f553cf9c24 /sound/soc/sh/rcar/src.c | |
parent | ba9c949f797aa3af56303445812a452144c61c35 (diff) | |
download | lwn-90e8e50fce3585d6f9902701de08389b027dadc6.tar.gz lwn-90e8e50fce3585d6f9902701de08389b027dadc6.zip |
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>
Diffstat (limited to 'sound/soc/sh/rcar/src.c')
-rw-r--r-- | sound/soc/sh/rcar/src.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index ea6a214985d0..eee75ebf961c 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -628,7 +628,41 @@ struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id) 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 @@ int rsnd_src_probe(struct platform_device *pdev, char name[RSND_SRC_NAME_SIZE]; int i, nr; + rsnd_of_parse_src(pdev, of_data, priv); + /* * init SRC */ |