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topology: Add element ID so we can look up references by name.

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Add support to lookup elements by name. This is in preparation for adding
some new API calls that will allow building topology data using a C API. This
will allow applications to build their own topology data directly.

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Jin Yao 2015-08-04 18:09:12 +01:00 • committed by Takashi Iwai
parent 1bb4c2fc30
commit 120b3b8ead
7 changed files with 24 additions and 18 deletions
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9
src/topology/ctl.c
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@ -264,7 +264,7 @@ int tplg_parse_tlv(snd_tplg_t *tplg, snd_config_t *cfg,
int err = 0;
struct tplg_elem *elem;
elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_TLV);
elem = tplg_elem_new_common(tplg, cfg, NULL, OBJECT_TYPE_TLV);
if (!elem)
return -ENOMEM;
@ -298,7 +298,7 @@ int tplg_parse_control_bytes(snd_tplg_t *tplg,
const char *id, *val = NULL;
int err;
elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_BYTES);
elem = tplg_elem_new_common(tplg, cfg, NULL, OBJECT_TYPE_BYTES);
if (!elem)
return -ENOMEM;
@ -403,11 +403,10 @@ int tplg_parse_control_enum(snd_tplg_t *tplg, snd_config_t *cfg,
const char *id, *val = NULL;
int err, j;
elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_ENUM);
elem = tplg_elem_new_common(tplg, cfg, NULL, OBJECT_TYPE_ENUM);
if (!elem)
return -ENOMEM;
/* init new mixer */
ec = elem->enum_ctrl;
elem_copy_text(ec->hdr.name, elem->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
ec->hdr.type = SND_SOC_TPLG_TYPE_ENUM;
@ -501,7 +500,7 @@ int tplg_parse_control_mixer(snd_tplg_t *tplg,
const char *id, *val = NULL;
int err, j;
elem = tplg_elem_new_common(tplg, cfg, OBJECT_TYPE_MIXER);
elem = tplg_elem_new_common(tplg, cfg, NULL, OBJECT_TYPE_MIXER);
if (!elem)
return -ENOMEM;