From: Mengdong Lin mengdong.lin@linux.intel.com
After opening a card, this command can show the name of the actually loaded configuration file, either matches the card name or card long name. So developers can check if there is a device-sepcific configuration file available for a given card.
Signed-off-by: Mengdong Lin mengdong.lin@linux.intel.com
diff --git a/include/use-case.h b/include/use-case.h index 8911645..ae22bde 100644 --- a/include/use-case.h +++ b/include/use-case.h @@ -230,6 +230,7 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, * Known identifiers: * - NULL - return current card * - _verb - return current verb + * - _file - return configuration file loaded for current card * * - [=]{NAME}[/[{modifier}|{/device}][/{verb}]] * - value identifier {NAME} diff --git a/src/ucm/main.c b/src/ucm/main.c index 38a5e81..2d33886 100644 --- a/src/ucm/main.c +++ b/src/ucm/main.c @@ -1528,6 +1528,20 @@ int snd_use_case_get(snd_use_case_mgr_t *uc_mgr, goto __end; } err = 0; + } else if (strcmp(identifier, "_file") == 0) { + /* get the conf file name of the opened card */ + if ((uc_mgr->card_name == NULL) + || (uc_mgr->conf_file_name[0] == '\0')) { + err = -ENOENT; + goto __end; + } + *value = strndup(uc_mgr->conf_file_name, MAX_FILE); + if (*value == NULL) { + err = -ENOMEM; + goto __end; + } + err = 0; + } else if (identifier[0] == '_') { err = -ENOENT; goto __end;