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ucm: fill missing device entries (conflicting / supported)

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It is not necessary to maintain this information in sync in the configuration
files. Fill the missing entries to the complementary devices.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2020-02-07 16:18:11 +01:00
parent 251bc204a1
commit fdf96312fa
3 changed files with 75 additions and 1 deletions
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50
src/ucm/parser.c
View file

@ -1112,6 +1112,52 @@ static int parse_modifier_name(snd_use_case_mgr_t *uc_mgr,
return parse_compound(uc_mgr, cfg, parse_modifier, data1, data2);
}
static int verb_dev_list_add(struct use_case_verb *verb,
enum dev_list_type dst_type,
const char *dst,
const char *src)
{
struct use_case_device *device;
struct list_head *pos;
list_for_each(pos, &verb->device_list) {
device = list_entry(pos, struct use_case_device, list);
if (strcmp(device->name, dst) != 0)
continue;
if (device->dev_list.type != dst_type) {
if (list_empty(&device->dev_list.list)) {
device->dev_list.type = dst_type;
} else {
uc_error("error: incompatible device list type ('%s', '%s')",
device->name, src);
return -EINVAL;
}
}
return uc_mgr_put_to_dev_list(&device->dev_list, src);
}
return -ENOENT;
}
static int verb_dev_list_check(struct use_case_verb *verb)
{
struct list_head *pos, *pos2;
struct use_case_device *device;
struct dev_list_node *dlist;
int err;
list_for_each(pos, &verb->device_list) {
device = list_entry(pos, struct use_case_device, list);
list_for_each(pos2, &device->dev_list.list) {
dlist = list_entry(pos2, struct dev_list_node, list);
err = verb_dev_list_add(verb, device->dev_list.type,
dlist->name, device->name);
if (err < 0)
return err;
}
}
return 0;
}
static int verb_device_management(struct use_case_verb *verb)
{
struct list_head *pos;
@ -1141,7 +1187,9 @@ static int verb_device_management(struct use_case_verb *verb)
/* those lists are no longer used */
uc_mgr_free_dev_name_list(&verb->rename_list);
uc_mgr_free_dev_name_list(&verb->remove_list);
return 0;
/* handle conflicting/supported lists */
return verb_dev_list_check(verb);
}
/*

1
src/ucm/ucm_local.h
View file

@ -262,6 +262,7 @@ int uc_mgr_config_load(int format, const char *file, snd_config_t **cfg);
int uc_mgr_import_master_config(snd_use_case_mgr_t *uc_mgr);
int uc_mgr_scan_master_configs(const char **_list[]);
int uc_mgr_put_to_dev_list(struct dev_list *dev_list, const char *name);
int uc_mgr_remove_device(struct use_case_verb *verb, const char *name);
int uc_mgr_rename_device(struct use_case_verb *verb, const char *src,
const char *dst);

25
src/ucm/utils.c
View file

@ -328,6 +328,31 @@ void uc_mgr_free_dev_list(struct dev_list *dev_list)
}
}
int uc_mgr_put_to_dev_list(struct dev_list *dev_list, const char *name)
{
struct list_head *pos;
struct dev_list_node *dlist;
char *n;
list_for_each(pos, &dev_list->list) {
dlist = list_entry(pos, struct dev_list_node, list);
if (strcmp(dlist->name, name) == 0)
return 0;
}
dlist = calloc(1, sizeof(*dlist));
if (dlist == NULL)
return -ENOMEM;
n = strdup(name);
if (n == NULL) {
free(dlist);
return -ENOMEM;
}
dlist->name = n;
list_add(&dlist->list, &dev_list->list);
return 0;
}
int uc_mgr_rename_in_dev_list(struct dev_list *dev_list, const char *src,
const char *dst)
{