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topology: Support configuring physical DAIs by C API

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In addition to text conf file, physical DAIs can also be configured
by C API. This patch defines the template to add physical DAI
configurations from C API.

Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Guneshwor Singh 2016-11-16 14:42:41 +08:00 • committed by Takashi Iwai
parent 0b6bd6c19a
commit 9117715371
4 changed files with 75 additions and 0 deletions
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55
src/topology/pcm.c
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@ -1201,3 +1201,58 @@ int tplg_add_link_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
return 0;
}
int tplg_add_dai_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
{
struct snd_tplg_dai_template *dai_tpl = t->dai;
struct snd_soc_tplg_dai *dai, *_dai;
struct tplg_elem *elem;
int i;
tplg_dbg("DAI %s\n", dai_tpl->dai_name);
elem = tplg_elem_new_common(tplg, NULL, dai_tpl->dai_name,
SND_TPLG_TYPE_DAI);
if (!elem)
return -ENOMEM;
dai = elem->dai;
dai->size = elem->size;
elem_copy_text(dai->dai_name, dai_tpl->dai_name,
SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
dai->dai_id = dai_tpl->dai_id;
/* stream caps */
dai->playback = dai_tpl->playback;
dai->capture = dai_tpl->capture;
for (i = 0; i < 2; i++) {
if (dai_tpl->caps[i])
tplg_add_stream_caps(&dai->caps[i], dai_tpl->caps[i]);
}
/* flags */
dai->flag_mask = dai_tpl->flag_mask;
dai->flags = dai_tpl->flags;
/* private data */
if (dai_tpl->priv != NULL) {
_dai = realloc(dai,
elem->size + dai_tpl->priv->size);
if (!_dai) {
tplg_elem_free(elem);
return -ENOMEM;
}
dai = _dai;
dai->priv.size = dai_tpl->priv->size;
elem->dai = dai;
elem->size += dai->priv.size;
memcpy(dai->priv.data, dai_tpl->priv->data,
dai->priv.size);
}
return 0;
}