ASoC: topology: Allow bespoke configuration post widget creation

Current topology only allows for widget configuration before the widget
is registered. This patch also allows further configuration and usage
after registration is complete.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 002772e3ba2cb5f193ef35b4b96c8ee6eadc46d1..273a374e741c12765a6a8d52b4df4374dc5b8c07 100644 (file)
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -344,12 +344,24 @@ static int soc_tplg_widget_load(struct soc_tplg *tplg,
        return 0;
 }
 
+/* optionally pass new dynamic widget to component driver. This is mainly for
+ * external widgets where we can assign private data/ops */
+static int soc_tplg_widget_ready(struct soc_tplg *tplg,
+       struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
+{
+       if (tplg->comp && tplg->ops && tplg->ops->widget_ready)
+               return tplg->ops->widget_ready(tplg->comp, w, tplg_w);
+
+       return 0;
+}
+
 /* pass DAI configurations to component driver for extra initialization */
 static int soc_tplg_dai_load(struct soc_tplg *tplg,
-       struct snd_soc_dai_driver *dai_drv)
+       struct snd_soc_dai_driver *dai_drv,
+       struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
 {
        if (tplg->comp && tplg->ops && tplg->ops->dai_load)
-               return tplg->ops->dai_load(tplg->comp, dai_drv);
+               return tplg->ops->dai_load(tplg->comp, dai_drv, pcm, dai);
 
        return 0;
 }
@@ -1580,8 +1592,16 @@ widget:
        kfree(template.sname);
        kfree(template.name);
        list_add(&widget->dobj.list, &tplg->comp->dobj_list);
+
+       ret = soc_tplg_widget_ready(tplg, widget, w);
+       if (ret < 0)
+               goto ready_err;
+
        return 0;
 
+ready_err:
+       snd_soc_tplg_widget_remove(widget);
+       snd_soc_dapm_free_widget(widget);
 hdr_err:
        kfree(template.sname);
 err: