ASoC: soc_bind_dai_link() directly returns success for a bound DAI link
This function will return success immediately for a bound DAI link. No need to look for the cpu/codec DAIs again. Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -960,6 +960,19 @@ static struct snd_soc_dai *snd_soc_find_dai(
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return NULL;
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}
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static bool soc_is_dai_link_bound(struct snd_soc_card *card,
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struct snd_soc_dai_link *dai_link)
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{
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struct snd_soc_pcm_runtime *rtd;
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list_for_each_entry(rtd, &card->rtd_list, list) {
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if (rtd->dai_link == dai_link)
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return true;
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}
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return false;
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}
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static int soc_bind_dai_link(struct snd_soc_card *card,
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struct snd_soc_dai_link *dai_link)
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{
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@ -977,6 +990,12 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
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if (!rtd)
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return -ENOMEM;
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if (soc_is_dai_link_bound(card, dai_link)) {
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dev_dbg(card->dev, "ASoC: dai link %s already bound\n",
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dai_link->name);
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return 0;
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}
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cpu_dai_component.name = dai_link->cpu_name;
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cpu_dai_component.of_node = dai_link->cpu_of_node;
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cpu_dai_component.dai_name = dai_link->cpu_dai_name;
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