ASoC: intel: sof_rt5682: use separate route map for dmic

dmic map can only be added when dmic dai link is present.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190927201408.925-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index a437567..57b4ef7 100644 (file)
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -308,6 +308,9 @@ static const struct snd_soc_dapm_widget sof_widgets[] = {
        SND_SOC_DAPM_HP("Headphone Jack", NULL),
        SND_SOC_DAPM_MIC("Headset Mic", NULL),
        SND_SOC_DAPM_SPK("Spk", NULL),
+};
+
+static const struct snd_soc_dapm_widget dmic_widgets[] = {
        SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 };
 
@@ -318,10 +321,6 @@ static const struct snd_soc_dapm_route sof_map[] = {
 
        /* other jacks */
        { "IN1P", NULL, "Headset Mic" },
-
-       /* digital mics */
-       {"DMic", NULL, "SoC DMIC"},
-
 };
 
 static const struct snd_soc_dapm_route speaker_map[] = {
@@ -329,6 +328,11 @@ static const struct snd_soc_dapm_route speaker_map[] = {
        { "Spk", NULL, "Speaker" },
 };
 
+static const struct snd_soc_dapm_route dmic_map[] = {
+       /* digital mics */
+       {"DMic", NULL, "SoC DMIC"},
+};
+
 static int speaker_codec_init(struct snd_soc_pcm_runtime *rtd)
 {
        struct snd_soc_card *card = rtd->card;
@@ -342,6 +346,28 @@ static int speaker_codec_init(struct snd_soc_pcm_runtime *rtd)
        return ret;
 }
 
+static int dmic_init(struct snd_soc_pcm_runtime *rtd)
+{
+       struct snd_soc_card *card = rtd->card;
+       int ret;
+
+       ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
+                                       ARRAY_SIZE(dmic_widgets));
+       if (ret) {
+               dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
+               /* Don't need to add routes if widget addition failed */
+               return ret;
+       }
+
+       ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
+                                     ARRAY_SIZE(dmic_map));
+
+       if (ret)
+               dev_err(card->dev, "DMic map addition failed: %d\n", ret);
+
+       return ret;
+}
+
 /* sof audio machine driver for rt5682 codec */
 static struct snd_soc_card sof_audio_card_rt5682 = {
        .name = "sof_rt5682",
@@ -445,6 +471,7 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
                links[id].name = "dmic01";
                links[id].cpus = &cpus[id];
                links[id].cpus->dai_name = "DMIC01 Pin";
+               links[id].init = dmic_init;
                if (dmic_be_num > 1) {
                        /* set up 2 BE links at most */
                        links[id + 1].name = "dmic16k";