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ASoC: rsnd: add rsnd_src_get_in/out_rate()

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SRC will convert rate, and then, CMD and SSI want to know its
rate (= SRC.in / SRC.out) for each purpose.
Current driver is supporting only Playback, but SRC+Capture support
needs more flexibility.
This patch adds rsnd_src_get_in/out_rate() for it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
2016-03-07 05:08:33 +00:00
committed by Mark Brown
parent ab2049f9de
commit cbf1494fbc
3 changed files with 27 additions and 8 deletions
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20
sound/soc/sh/rcar/src.c
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@@ -116,12 +116,26 @@ static u32 rsnd_src_convert_rate(struct rsnd_dai_stream *io,
return convert_rate;
}
unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
struct rsnd_dai_stream *io,
struct snd_pcm_runtime *runtime)
unsigned int rsnd_src_get_rate(struct rsnd_priv *priv,
struct rsnd_dai_stream *io,
int is_in)
{
struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
unsigned int rate = 0;
int is_play = rsnd_io_is_play(io);
/*
*
* Playback
* runtime_rate -> [SRC] -> convert_rate
*
* Capture
* convert_rate -> [SRC] -> runtime_rate
*/
if (is_play == is_in)
return runtime->rate;
/*
* return convert rate if SRC is used,