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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2014-06-23 02:59:28 +0200
committerMark Brown <broonie@linaro.org>2014-07-02 13:35:56 +0200
commit34cb6123f90d264d63bdcd3ee0df0d2cb4b36aab (patch)
tree201069d465c2f0c7144933e9f995b192c99d8f9c /sound/soc/sh
parentASoC: rsnd: DMA start address is properly used for each DMAC (diff)
downloadlinux-34cb6123f90d264d63bdcd3ee0df0d2cb4b36aab.tar.xz
linux-34cb6123f90d264d63bdcd3ee0df0d2cb4b36aab.zip
ASoC: rsnd: add DT support to DVC
Now, DVC can use DT Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/sh')
-rw-r--r--sound/soc/sh/rcar/core.c13
-rw-r--r--sound/soc/sh/rcar/dvc.c38
2 files changed, 49 insertions, 2 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 49d9b31b185c..907d4802fd5c 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -286,7 +286,13 @@ static void rsnd_dma_of_path(struct rsnd_dma *dma,
mod[i] = src;
src = NULL;
} else {
- mod[i] = dvc;
+ if ((!is_play) && (this == src))
+ this = dvc;
+
+ mod[i] = (is_play) ? src : dvc;
+ i++;
+ mod[i] = (is_play) ? dvc : src;
+ src = NULL;
dvc = NULL;
}
@@ -719,12 +725,13 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
struct device_node *dai_node, *dai_np;
struct device_node *ssi_node, *ssi_np;
struct device_node *src_node, *src_np;
+ struct device_node *dvc_node, *dvc_np;
struct device_node *playback, *capture;
struct rsnd_dai_platform_info *dai_info;
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct device *dev = &pdev->dev;
int nr, i;
- int dai_i, ssi_i, src_i;
+ int dai_i, ssi_i, src_i, dvc_i;
if (!of_data)
return;
@@ -750,6 +757,7 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
+ dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
#define mod_parse(name) \
if (name##_node) { \
@@ -785,6 +793,7 @@ if (name##_node) { \
mod_parse(ssi);
mod_parse(src);
+ mod_parse(dvc);
if (playback)
of_node_put(playback);
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index deef310c75dc..9096fb03d001 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -235,6 +235,42 @@ struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)
return &((struct rsnd_dvc *)(priv->dvc) + id)->mod;
}
+static void rsnd_of_parse_dvc(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv)
+{
+ struct device_node *node;
+ struct rsnd_dvc_platform_info *dvc_info;
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct device *dev = &pdev->dev;
+ int nr;
+
+ if (!of_data)
+ return;
+
+ node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
+ if (!node)
+ return;
+
+ nr = of_get_child_count(node);
+ if (!nr)
+ goto rsnd_of_parse_dvc_end;
+
+ dvc_info = devm_kzalloc(dev,
+ sizeof(struct rsnd_dvc_platform_info) * nr,
+ GFP_KERNEL);
+ if (!dvc_info) {
+ dev_err(dev, "dvc info allocation error\n");
+ goto rsnd_of_parse_dvc_end;
+ }
+
+ info->dvc_info = dvc_info;
+ info->dvc_info_nr = nr;
+
+rsnd_of_parse_dvc_end:
+ of_node_put(node);
+}
+
int rsnd_dvc_probe(struct platform_device *pdev,
const struct rsnd_of_data *of_data,
struct rsnd_priv *priv)
@@ -246,6 +282,8 @@ int rsnd_dvc_probe(struct platform_device *pdev,
char name[RSND_DVC_NAME_SIZE];
int i, nr;
+ rsnd_of_parse_dvc(pdev, of_data, priv);
+
nr = info->dvc_info_nr;
if (!nr)
return 0;