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topology: Add support for widget byte controls

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Add support for DAPM widgets to include bytes controls.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Liam Girdwood 2016-03-14 08:07:38 +00:00 • committed by Takashi Iwai
parent f5e0062258
commit 8372062357
1 changed files with 30 additions and 0 deletions
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30
src/topology/dapm.c
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@ -103,6 +103,28 @@ static int tplg_parse_dapm_enums(snd_config_t *cfg, struct tplg_elem *elem)
return 0;
}
static int tplg_parse_dapm_bytes(snd_config_t *cfg, struct tplg_elem *elem)
{
snd_config_iterator_t i, next;
snd_config_t *n;
const char *value = NULL;
tplg_dbg(" DAPM Bytes Controls: %s\n", elem->id);
snd_config_for_each(i, next, cfg) {
n = snd_config_iterator_entry(i);
/* get value */
if (snd_config_get_string(n, &value) < 0)
continue;
tplg_ref_add(elem, SND_TPLG_TYPE_BYTES, value);
tplg_dbg("\t\t %s\n", value);
}
return 0;
}
/* move referenced controls to the widget */
static int copy_dapm_control(struct tplg_elem *elem, struct tplg_elem *ref)
{
@ -567,6 +589,14 @@ int tplg_parse_dapm_widget(snd_tplg_t *tplg,
continue;
}
if (strcmp(id, "bytes") == 0) {
err = tplg_parse_dapm_bytes(n, elem);
if (err < 0)
return err;
continue;
}
if (strcmp(id, "data") == 0) {
if (snd_config_get_string(n, &val) < 0)
return -EINVAL;