remove_sleep 120 include/sound/core.h wait_queue_head_t remove_sleep; remove_sleep 217 sound/core/init.c init_waitqueue_head(&card->remove_sleep); remove_sleep 457 sound/core/init.c wait_event_lock_irq(card->remove_sleep, remove_sleep 972 sound/core/init.c wake_up_all(&card->remove_sleep);