Unverified Commit 503e79b7 authored by Liam Girdwood's avatar Liam Girdwood Committed by Mark Brown
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ASoC: topology: Add callback for DAPM route load/unload 



Add a callback fro clients for notification about DAPM route loading and
unloading.

Signed-off-by: default avatarLiam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c60b613a

include/sound/soc-topology.h

+7 −0
Original line number Diff line number Diff line
@@ -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 *,

sound/soc/soc-topology.c

+13 −0
Original line number Diff line number Diff line
@@ -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);

	}