76 	if (mutex_lock_interruptible(&cam->v4l2_lock))  in cpia2_open()
102 	mutex_unlock(&cam->v4l2_lock);  in cpia2_open()
116 	mutex_lock(&cam->v4l2_lock);  in cpia2_close()
131 	mutex_unlock(&cam->v4l2_lock);  in cpia2_close()
150 	if (mutex_lock_interruptible(&cam->v4l2_lock))  in cpia2_v4l_read()
153 	mutex_unlock(&cam->v4l2_lock);  in cpia2_v4l_read()
168 	mutex_lock(&cam->v4l2_lock);  in cpia2_v4l_poll()
170 	mutex_unlock(&cam->v4l2_lock);  in cpia2_v4l_poll()
189 		mutex_unlock(&cam->v4l2_lock);  in sync()
193 		mutex_lock(&cam->v4l2_lock);  in sync()
892 		mutex_unlock(&cam->v4l2_lock);  in cpia2_dqbuf()
896 		mutex_lock(&cam->v4l2_lock);  in cpia2_dqbuf()
969 	if (mutex_lock_interruptible(&cam->v4l2_lock))  in cpia2_mmap()
975 	mutex_unlock(&cam->v4l2_lock);  in cpia2_mmap()
1128 	cam->vdev.lock = &cam->v4l2_lock;  in cpia2_register_camera()