ASoC: Add multiple CPU DAI support in DAPM
DAPM handles DAIs during soc_dapm_stream_event() and during addition and creation of DAI widgets i.e., dapm_add_valid_dai_widget() and dapm_connect_dai_link_widgets(). Extend these functions to handle multiple cpu dai. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Shreyas NC <shreyas.nc@intel.com> Signed-off-by: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20200225133917.21314-5-yung-chuan.liao@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -4361,9 +4361,19 @@ static void dapm_connect_dai_link_widgets(struct snd_soc_card *card,
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struct snd_soc_dai *codec_dai;
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int i;
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for_each_rtd_codec_dai(rtd, i, codec_dai)
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dapm_add_valid_dai_widget(card, rtd,
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codec_dai, rtd->cpu_dais[0]);
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if (rtd->num_cpus == 1) {
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for_each_rtd_codec_dai(rtd, i, codec_dai)
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dapm_add_valid_dai_widget(card, rtd, codec_dai,
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rtd->cpu_dais[0]);
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} else if (rtd->num_codecs == rtd->num_cpus) {
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for_each_rtd_codec_dai(rtd, i, codec_dai)
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dapm_add_valid_dai_widget(card, rtd, codec_dai,
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rtd->cpu_dais[i]);
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} else {
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dev_err(card->dev,
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"N cpus to M codecs link is not supported yet\n");
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}
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}
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static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream,
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@ -4424,9 +4434,11 @@ static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
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int event)
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{
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struct snd_soc_dai *codec_dai;
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struct snd_soc_dai *cpu_dai;
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int i;
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soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event);
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for_each_rtd_cpu_dai(rtd, i, cpu_dai)
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soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event);
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for_each_rtd_codec_dai(rtd, i, codec_dai)
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soc_dapm_dai_stream_event(codec_dai, stream, event);
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