unsigned int idx;
int err;
- snd_assert(cap_substream, return -EINVAL);
+ if (snd_BUG_ON(!cap_substream))
+ return -EINVAL;
ak4117->substream = cap_substream;
for (idx = 0; idx < AK4117_CONTROLS; idx++) {
kctl = snd_ctl_new1(&snd_ak4117_iec958_controls[idx], ak4117);