diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2016-03-07 05:08:33 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-03-07 14:41:54 +0700 |
| commit | cbf1494fbcc80d363477af1efefb2380e7660a24 (patch) | |
| tree | 0aa10c9ece476f52c5bd08a391f4c8e7d94c4c4d /sound/soc | |
| parent | ab2049f9de72c901c07eec25eff74dae2e82df7e (diff) | |
| download | linux-stable-cbf1494fbcc80d363477af1efefb2380e7660a24.tar.gz linux-stable-cbf1494fbcc80d363477af1efefb2380e7660a24.tar.bz2 linux-stable-cbf1494fbcc80d363477af1efefb2380e7660a24.zip | |
ASoC: rsnd: add rsnd_src_get_in/out_rate()
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>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/sh/rcar/rsnd.h | 10 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/src.c | 20 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/ssi.c | 5 |
3 files changed, 27 insertions, 8 deletions
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index ff53f96e5006..4b77f33358fb 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -627,9 +627,13 @@ void rsnd_ssiu_remove(struct rsnd_priv *priv); int rsnd_src_probe(struct rsnd_priv *priv); void rsnd_src_remove(struct rsnd_priv *priv); struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id); -unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, - struct rsnd_dai_stream *io, - struct snd_pcm_runtime *runtime); + +#define rsnd_src_get_in_rate(priv, io) rsnd_src_get_rate(priv, io, 1) +#define rsnd_src_get_out_rate(priv, io) rsnd_src_get_rate(priv, io, 0) +unsigned int rsnd_src_get_rate(struct rsnd_priv *priv, + struct rsnd_dai_stream *io, + int is_in); + #define rsnd_src_of_node(priv) \ of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src") #define rsnd_parse_connect_src(rdai, playback, capture) \ diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index 1d5aedb50213..d1a8741cc446 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -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, diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 540489755367..5f848f054745 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -190,7 +190,6 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod, struct rsnd_dai_stream *io) { struct rsnd_priv *priv = rsnd_io_to_priv(io); - struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); struct device *dev = rsnd_priv_to_dev(priv); struct rsnd_dai *rdai = rsnd_io_to_rdai(io); struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); @@ -201,7 +200,9 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod, 1, 2, 4, 8, 16, 6, 12, }; unsigned int main_rate; - unsigned int rate = rsnd_src_get_ssi_rate(priv, io, runtime); + unsigned int rate = rsnd_io_is_play(io) ? + rsnd_src_get_out_rate(priv, io) : + rsnd_src_get_in_rate(priv, io); if (!rsnd_rdai_is_clk_master(rdai)) return 0; |