diff options
Diffstat (limited to 'sound/soc/sh/rcar/core.c')
-rw-r--r-- | sound/soc/sh/rcar/core.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 81a6bdb6848c..f990b4cb7192 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -191,6 +191,34 @@ int rsnd_io_is_working(struct rsnd_dai_stream *io) return !!io->substream; } +int rsnd_get_slot_rdai(struct rsnd_dai *rdai) +{ + return rdai->slots; +} + +int rsnd_get_slot_runtime(struct rsnd_dai_stream *io) +{ + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); + struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); + int chan = rsnd_get_slot_rdai(rdai); + + if (runtime->channels < chan) + chan = runtime->channels; + + return chan; +} + +int rsnd_get_slot_extend(struct rsnd_dai_stream *io) +{ + int chan = rsnd_get_slot_runtime(io); + + /* TDM Extend Mode needs 8ch */ + if (chan == 6) + chan = 8; + + return chan; +} + /* * ADINR function */ @@ -611,6 +639,7 @@ static int rsnd_dai_probe(struct rsnd_priv *priv) rdai->playback.rdai = rdai; rdai->capture.rdai = rdai; + rdai->slots = 2; /* default */ #define mod_parse(name) \ node = rsnd_##name##_of_node(priv); \ |