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https://github.com/alsa-project/alsa-utils
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topology: pre-process-object: expand variables before validating attributes
With the introduction of variables in the topology files, validation of attributes values must be done after they are expanded to their defined values. Also, since valid values for attributes in the class definition can also be variables, they need to be expanded as well. So, first expand the attribute values and then check them against expanded valid values. Fixes: https://github.com/alsa-project/alsa-utils/pull/138 Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Ranjani Sridharan
Jaroslav Kysela
parent
1f1cbab235
commit
c47188f258
1 changed files with 100 additions and 25 deletions
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@ -287,6 +287,58 @@ static bool tplg_is_attribute_valid_value(snd_config_t *valid_values, const char
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return false;
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}
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#if SND_LIB_VER(1, 2, 5) < SND_LIB_VERSION
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static int pre_process_find_variable(snd_config_t **dst, const char *str, snd_config_t *config);
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/* check is attribute value belongs in the set of valid values after expanding the valid values */
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static bool tplg_is_attribute_valid_expanded_value(struct tplg_pre_processor *tplg_pp,
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snd_config_t *valid_values, int value)
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{
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snd_config_iterator_t i, next;
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snd_config_t *n, *var, *conf_defines;
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int ret;
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ret = snd_config_search(tplg_pp->input_cfg, "Define", &conf_defines);
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if (ret < 0)
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return false;
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snd_config_for_each(i, next, valid_values) {
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const char *s, *id;
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long v;
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n = snd_config_iterator_entry(i);
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if (snd_config_get_id(n, &id) < 0)
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continue;
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if (snd_config_get_string(n, &s) < 0)
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continue;
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if (s[0] != '$')
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continue;
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/* find the variable definition */
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ret = pre_process_find_variable(&var, s + 1, conf_defines);
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if (ret < 0) {
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SNDERR("No definition for variable %s\n", s + 1);
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return false;
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}
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if (snd_config_get_integer(var, &v) < 0) {
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SNDERR("Invalid definition for %s\n", s);
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snd_config_delete(var);
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return false;
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}
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snd_config_delete(var);
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if (value == v)
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return true;
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}
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return false;
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}
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#endif
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/* check if attribute value passes the min/max value constraints */
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static bool tplg_object_is_attribute_min_max_valid(snd_config_t *attr, snd_config_t *obj_attr,
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bool min_check)
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@ -372,10 +424,10 @@ static bool tplg_object_is_attribute_min_max_valid(snd_config_t *attr, snd_confi
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/* check for min/max and valid value constraints */
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static bool tplg_object_is_attribute_valid(struct tplg_pre_processor *tplg_pp,
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snd_config_t *attr, snd_config_t *object)
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snd_config_t *attr, snd_config_t *obj_attr)
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{
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snd_config_iterator_t i, next;
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snd_config_t *valid, *obj_attr, *n;
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snd_config_t *valid, *n;
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snd_config_type_t type;
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const char *attr_name, *obj_value;
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int ret;
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@ -383,11 +435,6 @@ static bool tplg_object_is_attribute_valid(struct tplg_pre_processor *tplg_pp,
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if (snd_config_get_id(attr, &attr_name) < 0)
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return false;
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ret = snd_config_search(object, attr_name, &obj_attr);
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if (ret < 0) {
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SNDERR("attr %s not found \n", attr_name);
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return false;
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}
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type = snd_config_get_type(obj_attr);
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/* check if attribute has valid values */
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@ -421,6 +468,21 @@ static bool tplg_object_is_attribute_valid(struct tplg_pre_processor *tplg_pp,
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}
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}
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return true;
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#if SND_LIB_VER(1, 2, 5) < SND_LIB_VERSION
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case SND_CONFIG_TYPE_INTEGER:
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{
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long v;
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if (snd_config_get_integer(obj_attr, &v) < 0)
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return false;
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if (!tplg_is_attribute_valid_expanded_value(tplg_pp, valid, v)) {
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tplg_attribute_print_valid_values(valid, attr_name);
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return false;
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}
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return true;
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}
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#endif
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default:
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break;
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}
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@ -1185,7 +1247,7 @@ static int tplg_object_update(struct tplg_pre_processor *tplg_pp, snd_config_t *
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ret = snd_config_search(obj_cfg, id, &attr);
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if (ret < 0)
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goto class;
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goto validate;
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continue;
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class:
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/* search for attributes value in class */
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ret = tplg_object_copy_and_add_param(tplg_pp, obj_cfg, n, class_cfg);
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@ -1199,7 +1261,7 @@ class:
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}
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else if (ret < 0)
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return ret;
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goto validate;
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continue;
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parent:
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/* search for attribute value in parent */
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if (!parent)
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@ -1215,7 +1277,7 @@ parent:
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goto parent_object;
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else if (ret < 0)
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return ret;
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goto validate;
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continue;
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parent_object:
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if (!parent)
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goto parent_class;
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@ -1230,7 +1292,7 @@ parent_object:
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goto parent_class;
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else if (ret < 0)
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return ret;
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goto validate;
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continue;
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parent_class:
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if (!parent)
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goto check;
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@ -1249,16 +1311,12 @@ parent_class:
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goto check;
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else if (ret < 0)
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return ret;
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goto validate;
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continue;
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check:
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if (tplg_class_is_attribute_mandatory(id, class_cfg)) {
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SNDERR("Mandatory attribute %s not set for class %s\n", id, class_name);
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return -EINVAL;
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}
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continue;
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validate:
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if (!tplg_object_is_attribute_valid(tplg_pp, n, obj_cfg))
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return -EINVAL;
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}
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return 0;
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@ -1594,20 +1652,14 @@ static int tplg_build_object(struct tplg_pre_processor *tplg_pp, snd_config_t *n
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return ret;
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}
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/* construct object name using class constructor */
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ret = tplg_construct_object_name(tplg_pp, obj_local, class_cfg);
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if (ret < 0) {
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SNDERR("Failed to construct object name for %s\n", id);
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return ret;
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}
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#if SND_LIB_VER(1, 2, 5) < SND_LIB_VERSION
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tplg_pp_config_debug(tplg_pp, obj_local);
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/* expand all non-compound type child configs in object */
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snd_config_for_each(i, next, obj_local) {
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snd_config_t *n, *new;
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snd_config_t *n, *new, *class_attr;
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const char *id, *s;
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char *attr_config_name;
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n = snd_config_iterator_entry(i);
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@ -1621,7 +1673,7 @@ static int tplg_build_object(struct tplg_pre_processor *tplg_pp, snd_config_t *n
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continue;
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if (*s != '$')
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continue;
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goto validate;
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tplg_pp->current_obj_cfg = obj_local;
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@ -1638,9 +1690,32 @@ static int tplg_build_object(struct tplg_pre_processor *tplg_pp, snd_config_t *n
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ret = snd_config_merge(n, new, true);
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if (ret < 0)
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return ret;
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validate:
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/* validate attribute value */
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snd_config_get_id(n, &id);
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attr_config_name = tplg_snprintf("DefineAttribute.%s", id);
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if (!attr_config_name)
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return -ENOMEM;
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ret = snd_config_search(class_cfg, attr_config_name, &class_attr);
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free(attr_config_name);
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if (ret < 0)
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continue;
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if (!tplg_object_is_attribute_valid(tplg_pp, class_attr, n)) {
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SNDERR("Failed to validate attribute %s in %s\n", id, class_id);
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return -EINVAL;
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}
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}
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#endif
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/* construct object name using class constructor */
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ret = tplg_construct_object_name(tplg_pp, obj_local, class_cfg);
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if (ret < 0) {
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SNDERR("Failed to construct object name for %s\n", id);
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return ret;
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}
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/*
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* Build objects if object type is supported.
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* If not, process object attributes and add to parent's data section
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