From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
commit f69f452243e4e1 ("ASoC: rsnd: add TDM Split mode support") added TDM Split mode support for rsnd driver. But, it cares audio-graph-card style only. We can't use TDM Split mode on simple-card style now. This patch fixup this issue.
Fixes: f69f452243e4e1 ("ASoC: rsnd: add TDM Split mode support") Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/sh/rcar/core.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 51 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 031cd5b..59e250c 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -1031,6 +1031,49 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { .prepare = rsnd_soc_dai_prepare, };
+static void rsnd_parse_connect_simple(struct rsnd_priv *priv, + struct device_node *dai_np, + int dai_i, int is_play) +{ + struct device *dev = rsnd_priv_to_dev(priv); + struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i); + struct rsnd_dai_stream *io = is_play ? + &rdai->playback : + &rdai->capture; + struct device_node *ssiu_np = rsnd_ssiu_of_node(priv); + struct device_node *np; + int i, j; + + if (!ssiu_np) + return; + + if (!rsnd_io_to_mod_ssi(io)) + return; + + /* + * This driver assumes that it is TDM Split mode + * if it includes ssiu node + */ + for (i = 0;; i++) { + struct device_node *node = is_play ? + of_parse_phandle(dai_np, "playback", i) : + of_parse_phandle(dai_np, "capture", i); + + if (!node) + break; + + j = 0; + for_each_child_of_node(ssiu_np, np) { + if (np == node) { + rsnd_flags_set(io, RSND_STREAM_TDM_SPLIT); + dev_dbg(dev, "%s is part of TDM Split\n", io->name); + } + j++; + } + + } +} + static void rsnd_parse_connect_graph(struct rsnd_priv *priv, struct rsnd_dai_stream *io, struct device_node *endpoint) @@ -1246,8 +1289,14 @@ static int rsnd_dai_probe(struct rsnd_priv *priv) dai_i++; } } else { - for_each_child_of_node(dai_node, dai_np) - __rsnd_dai_probe(priv, dai_np, dai_i++); + for_each_child_of_node(dai_node, dai_np) { + __rsnd_dai_probe(priv, dai_np, dai_i); + if (rsnd_is_gen3(priv)) { + rsnd_parse_connect_simple(priv, dai_np, dai_i, 1); + rsnd_parse_connect_simple(priv, dai_np, dai_i, 0); + } + dai_i++; + } }
return 0;