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conf: introduce snd_config_get_card() function

Browse source 
It's helper for the "card" entries parsing. It reduces
the code in most of open_hw functions.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-02-24 19:20:15 +01:00
parent b9a4997e92
commit 19ad9bdc49
9 changed files with 59 additions and 83 deletions
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14
src/hwdep/hwdep_hw.c
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@ -151,7 +151,6 @@ int _snd_hwdep_hw_open(snd_hwdep_t **hwdep, char *name,
{
snd_config_iterator_t i, next;
long card = -1, device = 0;
const char *str;
int err;
snd_config_for_each(i, next, conf) {
snd_config_t *n = snd_config_iterator_entry(i);
@ -161,15 +160,10 @@ int _snd_hwdep_hw_open(snd_hwdep_t **hwdep, char *name,
if (_snd_conf_generic_id(id))
continue;
if (strcmp(id, "card") == 0) {
err = snd_config_get_integer(n, &card);
if (err < 0) {
err = snd_config_get_string(n, &str);
if (err < 0)
return -EINVAL;
card = snd_card_get_index(str);
if (card < 0)
return card;
}
err = snd_config_get_card(n);
if (err < 0)
return err;
card = err;
continue;
}
if (strcmp(id, "device") == 0) {