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conf: introduce snd_config_get_card() function

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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/timer/timer_hw.c
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@ -288,7 +288,6 @@ int _snd_timer_hw_open(snd_timer_t **timer, char *name,
snd_config_iterator_t i, next;
long dev_class = SND_TIMER_CLASS_GLOBAL, dev_sclass = SND_TIMER_SCLASS_NONE;
long card = 0, device = 0, subdevice = 0;
const char *str;
int err;
snd_config_for_each(i, next, conf) {
snd_config_t *n = snd_config_iterator_entry(i);
@ -310,15 +309,10 @@ int _snd_timer_hw_open(snd_timer_t **timer, char *name,
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) {