From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
Current ALSA SoC is directly using dai->driver->ops->xxx, thus, it has deep nested bracket, and it makes code unreadable. This patch adds new snd_soc_dai_prepare() and use it.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- include/sound/soc-dai.h | 2 ++ sound/soc/soc-dai.c | 11 +++++++++++ sound/soc/soc-pcm.c | 27 +++++++++++---------------- 3 files changed, 24 insertions(+), 16 deletions(-)
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 32545d4..c7dff6a 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -154,6 +154,8 @@ int snd_soc_dai_startup(struct snd_soc_dai *dai, struct snd_pcm_substream *substream); void snd_soc_dai_shutdown(struct snd_soc_dai *dai, struct snd_pcm_substream *substream); +int snd_soc_dai_prepare(struct snd_soc_dai *dai, + struct snd_pcm_substream *substream);
struct snd_soc_dai_ops { /* diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 67ff6cc..cb81088 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -307,3 +307,14 @@ void snd_soc_dai_shutdown(struct snd_soc_dai *dai, if (dai->driver->ops->shutdown) dai->driver->ops->shutdown(substream, dai); } + +int snd_soc_dai_prepare(struct snd_soc_dai *dai, + struct snd_pcm_substream *substream) +{ + int ret = 0; + + if (dai->driver->ops->prepare) + ret = dai->driver->ops->prepare(substream, dai); + + return ret; +} diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index ed5ae23..d7611af 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -814,27 +814,22 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) }
for_each_rtd_codec_dai(rtd, i, codec_dai) { - if (codec_dai->driver->ops->prepare) { - ret = codec_dai->driver->ops->prepare(substream, - codec_dai); - if (ret < 0) { - dev_err(codec_dai->dev, - "ASoC: codec DAI prepare error: %d\n", - ret); - goto out; - } - } - } - - if (cpu_dai->driver->ops->prepare) { - ret = cpu_dai->driver->ops->prepare(substream, cpu_dai); + ret = snd_soc_dai_prepare(codec_dai, substream); if (ret < 0) { - dev_err(cpu_dai->dev, - "ASoC: cpu DAI prepare error: %d\n", ret); + dev_err(codec_dai->dev, + "ASoC: codec DAI prepare error: %d\n", + ret); goto out; } }
+ ret = snd_soc_dai_prepare(cpu_dai, substream); + if (ret < 0) { + dev_err(cpu_dai->dev, + "ASoC: cpu DAI prepare error: %d\n", ret); + goto out; + } + /* cancel any delayed stream shutdown that is pending */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && rtd->pop_wait) {