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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_softvol.c
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@ -1000,21 +1000,10 @@ int _snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id,
if (strcmp(id, "comment") == 0)
continue;
if (strcmp(id, "card") == 0) {
const char *str;
long v;
if ((err = snd_config_get_integer(n, &v)) < 0) {
if ((err = snd_config_get_string(n, &str)) < 0) {
SNDERR("Invalid field %s", id);
goto _err;
}
*cardp = snd_card_get_index(str);
if (*cardp < 0) {
SNDERR("Cannot get index for %s", str);
err = *cardp;
goto _err;
}
} else
*cardp = v;
err = snd_config_get_card(n);
if (err < 0)
goto _err;
*cardp = err;
continue;
}
if (strcmp(id, "iface") == 0 || strcmp(id, "interface") == 0) {