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ucm: save the whole ctl info to the ctl_list structure

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-11-05 10:06:37 +01:00
parent 0dd89f3892
commit d8dfe4dac7
4 changed files with 47 additions and 37 deletions
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26
src/ucm/utils.c
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@ -49,6 +49,21 @@ void uc_mgr_stdout(const char *fmt,...)
va_end(va);
}
struct ctl_list *uc_mgr_get_one_ctl(snd_use_case_mgr_t *uc_mgr)
{
struct list_head *pos;
struct ctl_list *ctl_list = NULL;
list_for_each(pos, &uc_mgr->ctl_list) {
if (ctl_list) {
uc_error("multiple control device names were found!");
return NULL;
}
ctl_list = list_entry(pos, struct ctl_list, list);
}
return ctl_list;
}
static void uc_mgr_free_ctl(struct ctl_list *ctl_list)
{
struct list_head *pos, *npos;
@ -59,7 +74,7 @@ static void uc_mgr_free_ctl(struct ctl_list *ctl_list)
free(ctl_dev->device);
free(ctl_dev);
}
free(ctl_list->ctl_id);
snd_ctl_card_info_free(ctl_list->ctl_info);
free(ctl_list);
}
@ -103,7 +118,8 @@ static int uc_mgr_ctl_add_dev(struct ctl_list *ctl_list, const char *device)
static int uc_mgr_ctl_add(snd_use_case_mgr_t *uc_mgr,
struct ctl_list *ctl_list,
snd_ctl_t *ctl, int card, snd_ctl_card_info_t *info,
snd_ctl_t *ctl, int card,
snd_ctl_card_info_t *info,
const char *device)
{
struct ctl_list *cl = NULL;
@ -119,11 +135,11 @@ static int uc_mgr_ctl_add(snd_use_case_mgr_t *uc_mgr,
return -ENOMEM;
INIT_LIST_HEAD(&cl->dev_list);
cl->ctl = ctl;
cl->ctl_id = strdup(id);
if (cl->ctl_id == NULL) {
if (snd_ctl_card_info_malloc(&cl->ctl_info) < 0) {
free(cl);
return -ENOMEM;
}
snd_ctl_card_info_copy(cl->ctl_info, info);
ctl_list = cl;
}
if (card >= 0) {
@ -197,7 +213,7 @@ int uc_mgr_open_ctl(snd_use_case_mgr_t *uc_mgr,
/* insert to cache, if just name differs */
list_for_each(pos1, &uc_mgr->ctl_list) {
ctl_list = list_entry(pos1, struct ctl_list, list);
if (strcmp(id, ctl_list->ctl_id) == 0) {
if (strcmp(id, snd_ctl_card_info_get_id(ctl_list->ctl_info)) == 0) {
card = snd_card_get_index(id);
err = uc_mgr_ctl_add(uc_mgr, ctl_list, *ctl, card, info, device);
if (err < 0)