Commit 48d58281 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
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ASoC: rsnd: remove all modules when PIO fallback 



Current Renesas sound is supporting PIO fallback if it can't use DMA.
In such case, it should remove all attached modules, but current driver
is missing about CTU/MIX. Because current implement requests
specific mod for remove.
To avoid same things in future, this patch removes all mods,
and re-connects SSI when PIO fallback case.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 27924f32

sound/soc/sh/rcar/core.c

+8 −17
Original line number Diff line number Diff line
@@ -590,20 +590,6 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { 
	ret;							\

})



#define rsnd_path_remove(priv, io, _type)			\

{								\

	struct rsnd_mod *mod;					\

	int id = -1;						\

								\

	if (rsnd_is_enable_path(io, _type)) {			\

		id = rsnd_info_id(priv, io, _type);		\

		if (id >= 0) {					\

			mod = rsnd_##_type##_mod_get(priv, id);	\

			rsnd_dai_disconnect(mod, io, mod->type);\

		}						\

	}							\

}



void rsnd_path_parse(struct rsnd_priv *priv,

		     struct rsnd_dai_stream *io)

{
@@ -1163,6 +1149,9 @@ static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, 


	ret = rsnd_dai_call(probe, io, priv);

	if (ret == -EAGAIN) {

		struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);

		int i;



		/*

		 * Fallback to PIO mode

		 */
@@ -1177,10 +1166,12 @@ static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, 
		rsnd_dai_call(remove, io, priv);



		/*

		 * remove SRC/DVC from DAI,

		 * remove all mod from io

		 * and, re connect ssi

		 */

		rsnd_path_remove(priv, io, src);

		rsnd_path_remove(priv, io, dvc);

		for (i = 0; i < RSND_MOD_MAX; i++)

			rsnd_dai_disconnect((io)->mod[i], io, i);

		rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI);



		/*

		 * fallback