diff options
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/soc-core.c | 1 | ||||
| -rw-r--r-- | sound/soc/soc-dapm.c | 49 |
2 files changed, 50 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 4e53d87e881d..7d9c0660ab24 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1728,6 +1728,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card) } snd_soc_dapm_link_dai_widgets(card); + snd_soc_dapm_connect_dai_link_widgets(card); if (card->controls) snd_soc_add_card_controls(card, card->controls, card->num_controls); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 67e63ab1f11e..51b4c192f41a 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -3634,6 +3634,55 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) return 0; } +void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd = card->rtd; + struct snd_soc_dai *cpu_dai, *codec_dai; + struct snd_soc_dapm_route r; + int i; + + memset(&r, 0, sizeof(r)); + + /* for each BE DAI link... */ + for (i = 0; i < card->num_rtd; i++) { + rtd = &card->rtd[i]; + cpu_dai = rtd->cpu_dai; + codec_dai = rtd->codec_dai; + + /* dynamic FE links have no fixed DAI mapping */ + if (rtd->dai_link->dynamic) + continue; + + /* there is no point in connecting BE DAI links with dummies */ + if (snd_soc_dai_is_dummy(codec_dai) || + snd_soc_dai_is_dummy(cpu_dai)) + continue; + + /* connect BE DAI playback if widgets are valid */ + if (codec_dai->playback_widget && cpu_dai->playback_widget) { + r.source = cpu_dai->playback_widget->name; + r.sink = codec_dai->playback_widget->name; + dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", + cpu_dai->codec->name, r.source, + codec_dai->platform->name, r.sink); + + snd_soc_dapm_add_route(&card->dapm, &r); + } + + /* connect BE DAI capture if widgets are valid */ + if (codec_dai->capture_widget && cpu_dai->capture_widget) { + r.source = codec_dai->capture_widget->name; + r.sink = cpu_dai->capture_widget->name; + dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", + codec_dai->codec->name, r.source, + cpu_dai->platform->name, r.sink); + + snd_soc_dapm_add_route(&card->dapm, &r); + } + + } +} + static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, int event) { |