ASoC: rsnd: add missing TDM Split mode support for simple-card (538a4ffe) · Commits · 戴 / test

sound/soc/sh/rcar/core.c

+51 −2

Original line number	Diff line number	Diff line
		@@ -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;