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namehint: list card independent devices only once

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Card-independent devices such as "null" or "pulse" should only be
added once, not once for each card.

Signed-off-by: John Lindgren <john.lindgren@tds.net>\
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2009-11-03 16:44:51 +01:00
parent 0fcac21756
commit 407e98b4c3
1 changed files with 24 additions and 4 deletions
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28
src/control/namehint.c
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@ -457,10 +457,6 @@ static int add_card(struct hint_list *list, int card)
list->device = -1;
err = try_config(list, list->siface, str);
}
if (err < 0) {
list->card = -1;
err = try_config(list, list->siface, str);
}
if (err == -ENOMEM)
goto __error;
}
@ -486,6 +482,29 @@ static int get_card_name(struct hint_list *list, int card)
return 0;
}
static int add_software_devices(struct hint_list *list)
{
int err;
snd_config_t *conf, *n;
snd_config_iterator_t i, next;
const char *str;
err = snd_config_search(snd_config, list->siface, &conf);
if (err < 0)
return err;
snd_config_for_each(i, next, conf) {
n = snd_config_iterator_entry(i);
if (snd_config_get_id(n, &str) < 0)
continue;
list->card = -1;
list->device = -1;
err = try_config(list, list->siface, str);
if (err == -ENOMEM)
return -ENOMEM;
}
return 0;
}
/**
* \brief Return string list with device name hints.
* \param card Card number or -1 (means all cards)
@ -549,6 +568,7 @@ int snd_device_name_hint(int card, const char *iface, void ***hints)
if (err >= 0)
err = add_card(&list, card);
} else {
add_software_devices(&list);
err = snd_card_next(&card);
if (err < 0)
goto __error;