diff options
| -rw-r--r-- | sound/soc/sh/rcar/core.c | 22 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/rsnd.h | 1 |
2 files changed, 23 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 0ca6d0268b56..a3637b92b187 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -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 */ diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index 224a4a9eabd7..1296b3525fa6 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -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); |