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: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -32,6 +32,7 @@ struct snd_kcontrol_new;
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struct snd_soc_dai_link;
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struct snd_soc_dai_driver;
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struct snd_soc_dai;
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struct snd_soc_dapm_route;
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/* object scan be loaded and unloaded in groups with identfying indexes */
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#define SND_SOC_TPLG_INDEX_ALL 0 /* ID that matches all FW objects */
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@ -116,6 +117,12 @@ struct snd_soc_tplg_ops {
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int (*control_unload)(struct snd_soc_component *,
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struct snd_soc_dobj *);
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/* DAPM graph route element loading and unloading */
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int (*dapm_route_load)(struct snd_soc_component *, int index,
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struct snd_soc_dapm_route *route);
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int (*dapm_route_unload)(struct snd_soc_component *,
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struct snd_soc_dobj *);
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/* external widget init - used for any driver specific init */
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int (*widget_load)(struct snd_soc_component *, int index,
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struct snd_soc_dapm_widget *,
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@ -1105,6 +1105,17 @@ static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
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return 0;
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}
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/* optionally pass new dynamic kcontrol to component driver. */
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static int soc_tplg_add_route(struct soc_tplg *tplg,
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struct snd_soc_dapm_route *route)
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{
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if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load)
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return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
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route);
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return 0;
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}
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static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
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struct snd_soc_tplg_hdr *hdr)
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{
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@ -1153,6 +1164,8 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
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else
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route.control = elem->control;
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soc_tplg_add_route(tplg, &route);
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/* add route, but keep going if some fail */
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snd_soc_dapm_add_routes(dapm, &route, 1);
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}
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