lock_fd 235 sound/soc/stm/stm32_i2s.c spinlock_t lock_fd; /* Manage race conditions for full duplex */ lock_fd 630 sound/soc/stm/stm32_i2s.c spin_lock(&i2s->lock_fd); lock_fd 642 sound/soc/stm/stm32_i2s.c spin_unlock(&i2s->lock_fd); lock_fd 664 sound/soc/stm/stm32_i2s.c spin_lock(&i2s->lock_fd); lock_fd 667 sound/soc/stm/stm32_i2s.c spin_unlock(&i2s->lock_fd); lock_fd 675 sound/soc/stm/stm32_i2s.c spin_unlock(&i2s->lock_fd); lock_fd 678 sound/soc/stm/stm32_i2s.c spin_unlock(&i2s->lock_fd); lock_fd 895 sound/soc/stm/stm32_i2s.c spin_lock_init(&i2s->lock_fd);