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control: snd_ctl_ascii_elem_id_get() - do not show unset numid

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-02-26 19:53:17 +01:00
parent 1d1062d920
commit 7a1402cddc
1 changed files with 11 additions and 6 deletions
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17
src/control/ctlparse.c
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@ -116,14 +116,19 @@ static long long get_integer64(const char **ptr, long long min, long long max)
*/
char *snd_ctl_ascii_elem_id_get(snd_ctl_elem_id_t *id)
{
unsigned int index, device, subdevice;
unsigned int numid, index, device, subdevice;
char buf[256], buf1[32];
const char *iface;
snprintf(buf, sizeof(buf), "numid=%u,iface=%s,name='%s'",
snd_ctl_elem_id_get_numid(id),
snd_ctl_elem_iface_name(
snd_ctl_elem_id_get_interface(id)),
snd_ctl_elem_id_get_name(id));
numid = snd_ctl_elem_id_get_numid(id);
iface = snd_ctl_elem_iface_name(snd_ctl_elem_id_get_interface(id));
if (numid > 0) {
snprintf(buf, sizeof(buf), "numid=%u,iface=%s,name='%s'",
numid, iface, snd_ctl_elem_id_get_name(id));
} else {
snprintf(buf, sizeof(buf), "iface=%s,name='%s'",
iface, snd_ctl_elem_id_get_name(id));
}
buf[sizeof(buf)-1] = '\0';
index = snd_ctl_elem_id_get_index(id);
device = snd_ctl_elem_id_get_device(id);