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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>
This commit is contained in:
Shreyas NC 2020-02-25 21:39:15 +08:00 committed by Mark Brown
parent 6c4b13b51a
commit de6214a336
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 16 additions and 4 deletions
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20
sound/soc/soc-dapm.c
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@ -4361,9 +4361,19 @@ static void dapm_connect_dai_link_widgets(struct snd_soc_card *card,
struct snd_soc_dai *codec_dai;
int i;
for_each_rtd_codec_dai(rtd, i, codec_dai)
dapm_add_valid_dai_widget(card, rtd,
codec_dai, rtd->cpu_dais[0]);
if (rtd->num_cpus == 1) {
for_each_rtd_codec_dai(rtd, i, codec_dai)
dapm_add_valid_dai_widget(card, rtd, codec_dai,
rtd->cpu_dais[0]);
} else if (rtd->num_codecs == rtd->num_cpus) {
for_each_rtd_codec_dai(rtd, i, codec_dai)
dapm_add_valid_dai_widget(card, rtd, codec_dai,
rtd->cpu_dais[i]);
} else {
dev_err(card->dev,
"N cpus to M codecs link is not supported yet\n");
}
}
static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream,
@ -4424,9 +4434,11 @@ static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
int event)
{
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai;
int i;
soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event);
for_each_rtd_cpu_dai(rtd, i, cpu_dai)
soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event);
for_each_rtd_codec_dai(rtd, i, codec_dai)
soc_dapm_dai_stream_event(codec_dai, stream, event);