From: Shreyas NC shreyas.nc@intel.com
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: Shreyas NC shreyas.nc@intel.com Signed-off-by: Vinod Koul vkoul@kernel.org --- sound/soc/soc-dapm.c | 71 ++++++++++++++++++++++++++++++++++------------------ 1 file changed, 46 insertions(+), 25 deletions(-)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 2d9709104ec5..79f5f611f548 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -4108,38 +4108,57 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) return 0; }
-static void dapm_connect_dai_link_widgets(struct snd_soc_card *card, - struct snd_soc_pcm_runtime *rtd) +static void dapm_add_valid_dai_widget(struct snd_soc_card *card, + struct snd_soc_pcm_runtime *rtd, + struct snd_soc_dai *codec_dai, + struct snd_soc_dai *cpu_dai) { - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dapm_widget *sink, *source; - int i;
- for (i = 0; i < rtd->num_codecs; i++) { - struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; + /* connect BE DAI playback if widgets are valid */ + if (codec_dai->playback_widget && cpu_dai->playback_widget) { + source = cpu_dai->playback_widget; + sink = codec_dai->playback_widget; + dev_err(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", + cpu_dai->component->name, + source->name, + codec_dai->component->name, + sink->name); + + snd_soc_dapm_add_path(&card->dapm, source, sink, + NULL, NULL); + }
- /* connect BE DAI playback if widgets are valid */ - if (codec_dai->playback_widget && cpu_dai->playback_widget) { - source = cpu_dai->playback_widget; - sink = codec_dai->playback_widget; - dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", - cpu_dai->component->name, source->name, - codec_dai->component->name, sink->name); + /* connect BE DAI capture if widgets are valid */ + if (codec_dai->capture_widget && cpu_dai->capture_widget) { + source = codec_dai->capture_widget; + sink = cpu_dai->capture_widget; + dev_err(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", + codec_dai->component->name, + source->name, + cpu_dai->component->name, + sink->name);
- snd_soc_dapm_add_path(&card->dapm, source, sink, + snd_soc_dapm_add_path(&card->dapm, source, sink, NULL, NULL); - } + } + +}
- /* connect BE DAI capture if widgets are valid */ - if (codec_dai->capture_widget && cpu_dai->capture_widget) { - source = codec_dai->capture_widget; - sink = cpu_dai->capture_widget; - dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", - codec_dai->component->name, source->name, - cpu_dai->component->name, sink->name); +static void dapm_connect_dai_link_widgets(struct snd_soc_card *card, + struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *cpu_dai; + int i, j;
- snd_soc_dapm_add_path(&card->dapm, source, sink, - NULL, NULL); + for (i = 0; i < rtd->num_codecs; i++) { + struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; + + for (j = 0; j < rtd->num_cpu_dai; j++) { + cpu_dai = rtd->cpu_dais[j]; + + dapm_add_valid_dai_widget(card, rtd, + codec_dai, cpu_dai); } } } @@ -4206,7 +4225,9 @@ static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, { int i;
- soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event); + for (i = 0; i < rtd->num_cpu_dai; i++) + soc_dapm_dai_stream_event(rtd->cpu_dais[i], stream, event); + for (i = 0; i < rtd->num_codecs; i++) soc_dapm_dai_stream_event(rtd->codec_dais[i], stream, event);