SNDRV_SEQ_PORT_CAP_INACTIVE
if (p->capability & SNDRV_SEQ_PORT_CAP_INACTIVE)
bool check_inactive = (pinfo->capability & SNDRV_SEQ_PORT_CAP_INACTIVE);
if ((port->capability & SNDRV_SEQ_PORT_CAP_INACTIVE) &&
port->capability |= SNDRV_SEQ_PORT_CAP_INACTIVE;