From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
soc_pcm_apply_symmetry() want to call snd_pcm_hw_constraint_single() for rate/channel/sample_bits, but, it needs many condition checks. These are very similar but different, thus, it needs to have very verbose code. This patch use macro for it and make code more simple.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/soc-pcm.c | 67 ++++++++++++++------------------------------- 1 file changed, 20 insertions(+), 47 deletions(-)
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 1a5d0cb3dc69..57341a0fd67c 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -349,53 +349,26 @@ static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); int ret;
- if (soc_dai->rate && (soc_dai->driver->symmetric_rate || - rtd->dai_link->symmetric_rate)) { - dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %dHz rate\n", - soc_dai->rate); - - ret = snd_pcm_hw_constraint_single(substream->runtime, - SNDRV_PCM_HW_PARAM_RATE, - soc_dai->rate); - if (ret < 0) { - dev_err(soc_dai->dev, - "ASoC: Unable to apply rate constraint: %d\n", - ret); - return ret; - } - } - - if (soc_dai->channels && (soc_dai->driver->symmetric_channels || - rtd->dai_link->symmetric_channels)) { - dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %d channel(s)\n", - soc_dai->channels); - - ret = snd_pcm_hw_constraint_single(substream->runtime, - SNDRV_PCM_HW_PARAM_CHANNELS, - soc_dai->channels); - if (ret < 0) { - dev_err(soc_dai->dev, - "ASoC: Unable to apply channel symmetry constraint: %d\n", - ret); - return ret; - } - } - - if (soc_dai->sample_bits && (soc_dai->driver->symmetric_sample_bits || - rtd->dai_link->symmetric_sample_bits)) { - dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %d sample bits\n", - soc_dai->sample_bits); - - ret = snd_pcm_hw_constraint_single(substream->runtime, - SNDRV_PCM_HW_PARAM_SAMPLE_BITS, - soc_dai->sample_bits); - if (ret < 0) { - dev_err(soc_dai->dev, - "ASoC: Unable to apply sample bits symmetry constraint: %d\n", - ret); - return ret; - } - } +#define __soc_pcm_apply_symmetry(name, NAME) \ + if (soc_dai->name && (soc_dai->driver->symmetric_##name || \ + rtd->dai_link->symmetric_##name)) { \ + dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %s to %d\n",\ + #name, soc_dai->name); \ + \ + ret = snd_pcm_hw_constraint_single(substream->runtime, \ + SNDRV_PCM_HW_PARAM_##NAME,\ + soc_dai->name); \ + if (ret < 0) { \ + dev_err(soc_dai->dev, \ + "ASoC: Unable to apply %s constraint: %d\n",\ + #name, ret); \ + return ret; \ + } \ + } + + __soc_pcm_apply_symmetry(rate, RATE); + __soc_pcm_apply_symmetry(channels, CHANNELS); + __soc_pcm_apply_symmetry(sample_bits, SAMPLE_BITS);
return 0; }