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topology: Add C API support for BE and CC Links.

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Adding BE and CC Link support for C API reference. This will be used
to populate the .hw_params element for BE and .params for CC, enabling
us to update already existing DAI Links created by the kernel.

Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Vedang Patel 2015-11-05 20:49:23 +08:00 • committed by Jaroslav Kysela
parent ed5ee7ec2e
commit 2286a6fd4d
4 changed files with 74 additions and 2 deletions
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46
src/topology/pcm.c
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@ -480,3 +480,49 @@ int tplg_parse_cc(snd_tplg_t *tplg,
return 0;
}
/* copy stream object */
static void tplg_add_stream_object(struct snd_soc_tplg_stream *strm,
struct snd_tplg_stream_template *strm_tpl)
{
elem_copy_text(strm->name, strm_tpl->name,
SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
strm->format = strm_tpl->format;
strm->rate = strm_tpl->rate;
strm->period_bytes = strm_tpl->period_bytes;
strm->buffer_bytes = strm_tpl->buffer_bytes;
strm->channels = strm_tpl->channels;
}
int tplg_add_link_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
{
struct snd_tplg_link_template *link = t->link;
struct snd_soc_tplg_link_config *lk;
struct tplg_elem *elem;
int i;
if (t->type != SND_TPLG_TYPE_BE && t->type != SND_TPLG_TYPE_CC)
return -EINVAL;
/* here type can be either BE or CC. */
elem = tplg_elem_new_common(tplg, NULL, link->name, t->type);
if (!elem)
return -ENOMEM;
if (t->type == SND_TPLG_TYPE_BE) {
tplg_dbg("BE Link: %s", link->name);
lk = elem->be;
} else {
tplg_dbg("CC Link: %s", link->name);
lk = elem->cc;
}
lk->size = elem->size;
lk->id = link->id;
lk->num_streams = link->num_streams;
for (i = 0; i < lk->num_streams; i++)
tplg_add_stream_object(&lk->stream[i], &link->stream[i]);
return 0;
}