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ASoC: rsnd: add rsnd_get_adinr_chan() 

Current rsnd driver has rsnd_get_adinr_bit() to get bit settings for
ADINR (= Audio Information Register) of SSIU/SRC/DVC.
This patch adds rsnd_get_adinr_chan() to get channel settings for
ADINR (= Audio Information Register) of CTU/MIX.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2015-07-15 07:14:29 +00:00 committed by Mark Brown
parent 3023b384d0
commit bfe1360d79
2 changed files with 23 additions and 0 deletions
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22
sound/soc/sh/rcar/core.c
View File

@ -227,6 +227,28 @@ u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
return adinr;
}
u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct device *dev = rsnd_priv_to_dev(priv);
u32 chan = runtime->channels;
switch (chan) {
case 1:
case 2:
case 4:
case 6:
case 8:
break;
default:
dev_warn(dev, "not supported channel\n");
chan = 0;
break;
}
return chan;
}
/*
* rsnd_dai functions
*/

1
sound/soc/sh/rcar/rsnd.h
View File

@ -170,6 +170,7 @@ void rsnd_force_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
u32 mask, u32 data);
u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
void rsnd_path_parse(struct rsnd_priv *priv,
struct rsnd_dai_stream *io);