Add a callback fro clients for notification about DAPM route loading and unloading.
Signed-off-by: Liam Girdwood liam.r.girdwood@linux.intel.com --- include/sound/soc-topology.h | 7 +++++++ sound/soc/soc-topology.c | 13 +++++++++++++ 2 files changed, 20 insertions(+)
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 c43515d218ea..b1970a05ba44 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1161,6 +1161,17 @@ 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) { @@ -1209,6 +1220,8 @@ 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); }