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-rw-r--r--include/sound/soc-topology.h7
-rw-r--r--sound/soc/soc-topology.c13
2 files changed, 20 insertions, 0 deletions
diff --git a/include/sound/soc-topology.h b/include/sound/soc-topology.h
index e1f265e21ee1..401ef2c45d6c 100644
--- a/include/sound/soc-topology.h
+++ b/include/sound/soc-topology.h
@@ -32,6 +32,7 @@ struct snd_kcontrol_new;
struct snd_soc_dai_link;
struct snd_soc_dai_driver;
struct snd_soc_dai;
+struct snd_soc_dapm_route;
/* object scan be loaded and unloaded in groups with identfying indexes */
#define SND_SOC_TPLG_INDEX_ALL 0 /* ID that matches all FW objects */
@@ -116,6 +117,12 @@ struct snd_soc_tplg_ops {
int (*control_unload)(struct snd_soc_component *,
struct snd_soc_dobj *);
+ /* DAPM graph route element loading and unloading */
+ int (*dapm_route_load)(struct snd_soc_component *, int index,
+ struct snd_soc_dapm_route *route);
+ int (*dapm_route_unload)(struct snd_soc_component *,
+ struct snd_soc_dobj *);
+
/* external widget init - used for any driver specific init */
int (*widget_load)(struct snd_soc_component *, int index,
struct snd_soc_dapm_widget *,
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 9b33260fd537..05d177d689e2 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1105,6 +1105,17 @@ static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
return 0;
}
+/* optionally pass new dynamic kcontrol to component driver. */
+static int soc_tplg_add_route(struct soc_tplg *tplg,
+ struct snd_soc_dapm_route *route)
+{
+ if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load)
+ return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
+ route);
+
+ return 0;
+}
+
static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
@@ -1153,6 +1164,8 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
else
route.control = elem->control;
+ soc_tplg_add_route(tplg, &route);
+
/* add route, but keep going if some fail */
snd_soc_dapm_add_routes(dapm, &route, 1);
}