Dne 18. 05. 21 v 18:51 Takashi Iwai napsal(a): > +/** > + * snd_power_sync_ref - wait until the card power_ref is freed > + * @card: sound card object > + * > + * This function is used to synchronize with the pending power_ref being > + * released. > + */ > +void snd_power_sync_ref(struct snd_card *card) > +{ > + wait_event(card->power_ref_sleep, !atomic_read(&card->power_ref)); > +} > +EXPORT_SYMBOL_GPL(snd_power_sync_ref); Perhaps, this function can be inline, too? Jaroslav -- Jaroslav Kysela <perex@xxxxxxxx> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.