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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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19
src/pcm/pcm_hw.c
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@ -1816,21 +1816,10 @@ int _snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name,
if (snd_pcm_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) {
SNDERR("Invalid type for %s", id);
err = -EINVAL;
goto fail;
}
card = snd_card_get_index(str);
if (card < 0) {
SNDERR("Invalid value for %s", id);
err = card;
goto fail;
}
}
err = snd_config_get_card(n);
if (err < 0)
goto fail;
card = err;
continue;
}
if (strcmp(id, "device") == 0) {