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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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17
src/pcm/pcm_direct.c
View file

@ -1834,19 +1834,10 @@ static int _snd_pcm_direct_get_slave_ipc_offset(snd_config_t *root,
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);
return -EINVAL;
}
card = snd_card_get_index(str);
if (card < 0) {
SNDERR("Invalid value for %s", id);
return card;
}
}
err = snd_config_get_card(n);
if (err < 0)
return err;
card = err;
continue;
}
if (strcmp(id, "device") == 0) {