If CPU/Codec driver keeps its DAI node, we can directly identify actual DAI by using snd_soc_get_dai_via_args(). This means we can use multi Component.
This patch enables multi Component support on Audio Graph Card/Card2.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- include/sound/simple_card_utils.h | 5 ++--- sound/soc/generic/audio-graph-card.c | 2 +- sound/soc/generic/audio-graph-card2.c | 2 +- sound/soc/generic/simple-card-utils.c | 21 ++++++++++++++++++--- 4 files changed, 22 insertions(+), 8 deletions(-)
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index b450d5873227..d1a95bc33c56 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -192,9 +192,8 @@ int asoc_simple_remove(struct platform_device *pdev);
int asoc_graph_card_probe(struct snd_soc_card *card); int asoc_graph_is_ports0(struct device_node *port); -int asoc_graph_parse_dai(struct device_node *ep, - struct snd_soc_dai_link_component *dlc, - int *is_single_link); +int asoc_graph_parse_dai(struct device *dev, struct device_node *ep, + struct snd_soc_dai_link_component *dlc, int *is_single_link);
#ifdef DEBUG static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv, diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index c6e0f9132193..0b8258b6bd8e 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -126,7 +126,7 @@ static int graph_parse_node(struct asoc_simple_priv *priv,
graph_parse_mclk_fs(top, ep, dai_props);
- ret = asoc_graph_parse_dai(ep, dlc, cpu); + ret = asoc_graph_parse_dai(dev, ep, dlc, cpu); if (ret < 0) return ret;
diff --git a/sound/soc/generic/audio-graph-card2.c b/sound/soc/generic/audio-graph-card2.c index 542c4a114940..98732468a992 100644 --- a/sound/soc/generic/audio-graph-card2.c +++ b/sound/soc/generic/audio-graph-card2.c @@ -407,7 +407,7 @@ static int __graph_parse_node(struct asoc_simple_priv *priv,
graph_parse_mclk_fs(ep, dai_props);
- ret = asoc_graph_parse_dai(ep, dlc, &is_single_links); + ret = asoc_graph_parse_dai(dev, ep, dlc, &is_single_links); if (ret < 0) return ret;
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index c142571992a1..5b18a4af022f 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -1066,12 +1066,12 @@ static int graph_get_dai_id(struct device_node *ep) return id; }
-int asoc_graph_parse_dai(struct device_node *ep, - struct snd_soc_dai_link_component *dlc, - int *is_single_link) +int asoc_graph_parse_dai(struct device *dev, struct device_node *ep, + struct snd_soc_dai_link_component *dlc, int *is_single_link) { struct device_node *node; struct of_phandle_args args = {}; + struct snd_soc_dai *dai; int ret;
if (!ep) @@ -1079,6 +1079,20 @@ int asoc_graph_parse_dai(struct device_node *ep,
node = of_graph_get_port_parent(ep);
+ /* + * Try to find from DAI node + */ + args.np = ep; + dai = snd_soc_get_dai_via_args(&args); + if (dai) { + dlc->dai_name = snd_soc_dai_name_get(dai); + dlc->dai_args = snd_soc_copy_dai_args(dev, &args); + if (!dlc->dai_args) + return -ENOMEM; + + goto parse_dai_end; + } + /* Get dai->name */ args.np = node; args.args[0] = graph_get_dai_id(ep); @@ -1109,6 +1123,7 @@ int asoc_graph_parse_dai(struct device_node *ep, return ret; }
+parse_dai_end: if (is_single_link) *is_single_link = of_graph_get_endpoint_count(node) == 1;