ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
substream = snd_pcm_chmap_substream(info, ctl_idx);
if (!substream || !substream->runtime)
- return -EBADFD;
+ return 0; /* just for avoiding error from alsactl restore */
switch (substream->runtime->status->state) {
case SNDRV_PCM_STATE_OPEN:
case SNDRV_PCM_STATE_SETUP: