75 	if (mutex_lock_interruptible(&cam->v4l2_lock))  in cpia2_open()
101 	mutex_unlock(&cam->v4l2_lock);  in cpia2_open()
115 	mutex_lock(&cam->v4l2_lock);  in cpia2_close()
130 	mutex_unlock(&cam->v4l2_lock);  in cpia2_close()
149 	if (mutex_lock_interruptible(&cam->v4l2_lock))  in cpia2_v4l_read()
152 	mutex_unlock(&cam->v4l2_lock);  in cpia2_v4l_read()
166 	mutex_lock(&cam->v4l2_lock);  in cpia2_v4l_poll()
168 	mutex_unlock(&cam->v4l2_lock);  in cpia2_v4l_poll()
186 		mutex_unlock(&cam->v4l2_lock);  in sync()
190 		mutex_lock(&cam->v4l2_lock);  in sync()
890 		mutex_unlock(&cam->v4l2_lock);  in cpia2_dqbuf()
894 		mutex_lock(&cam->v4l2_lock);  in cpia2_dqbuf()
966 	if (mutex_lock_interruptible(&cam->v4l2_lock))  in cpia2_mmap()
972 	mutex_unlock(&cam->v4l2_lock);  in cpia2_mmap()
1128 	cam->vdev.lock = &cam->v4l2_lock;  in cpia2_register_camera()