snd_power_get_state
if (snd_power_get_state(card) == SNDRV_CTL_POWER_D0)
snd_power_get_state(card) == SNDRV_CTL_POWER_D0,
if (snd_power_get_state(component->card->snd_card) !=
int level = snd_power_get_state(widget->dapm->card->snd_card);
unsigned int state = snd_power_get_state(dapm->card->snd_card);