diff options
Diffstat (limited to 'sound/soc/sh/rcar/core.c')
-rw-r--r-- | sound/soc/sh/rcar/core.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 9f48d75..d460d2a 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -170,6 +170,14 @@ void rsnd_mod_quit(struct rsnd_mod *mod) clk_unprepare(mod->clk); } +int rsnd_mod_is_working(struct rsnd_mod *mod) +{ + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); + + /* see rsnd_dai_stream_init/quit() */ + return !!io->substream; +} + /* * settting function */ @@ -272,9 +280,10 @@ struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) return priv->rdai + id; } +#define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) { - struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai); + struct rsnd_priv *priv = rsnd_dai_to_priv(dai); return rsnd_rdai_get(priv, dai->id); } @@ -314,7 +323,7 @@ void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) } } -static int rsnd_dai_stream_init(struct rsnd_dai_stream *io, +static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -326,8 +335,11 @@ static int rsnd_dai_stream_init(struct rsnd_dai_stream *io, runtime->channels * samples_to_bytes(runtime, 1); io->next_period_byte = io->byte_per_period; +} - return 0; +static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) +{ + io->substream = NULL; } static @@ -351,20 +363,18 @@ struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai); + struct rsnd_priv *priv = rsnd_dai_to_priv(dai); struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); int ret; unsigned long flags; - rsnd_lock(priv, flags); + spin_lock_irqsave(&priv->lock, flags); switch (cmd) { case SNDRV_PCM_TRIGGER_START: - ret = rsnd_dai_stream_init(io, substream); - if (ret < 0) - goto dai_trigger_end; + rsnd_dai_stream_init(io, substream); ret = rsnd_platform_call(priv, dai, start, ssi_id); if (ret < 0) @@ -390,13 +400,15 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, ret = rsnd_platform_call(priv, dai, stop, ssi_id); if (ret < 0) goto dai_trigger_end; + + rsnd_dai_stream_quit(io); break; default: ret = -EINVAL; } dai_trigger_end: - rsnd_unlock(priv, flags); + spin_unlock_irqrestore(&priv->lock, flags); return ret; } @@ -833,12 +845,14 @@ static int __rsnd_kctrl_new(struct rsnd_mod *mod, struct rsnd_kctrl_cfg *cfg, void (*update)(struct rsnd_mod *mod)) { + struct snd_soc_card *soc_card = rtd->card; struct snd_card *card = rtd->card->snd_card; struct snd_kcontrol *kctrl; struct snd_kcontrol_new knew = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = name, .info = rsnd_kctrl_info, + .index = rtd - soc_card->rtd, .get = rsnd_kctrl_get, .put = rsnd_kctrl_put, .private_value = (unsigned long)cfg, |