in the v4l2 in this xvip_subdev_set_streaming API we change the sequence of the checking of the entity.First we enable the entity and then we are checking status.which was other way around and giving stream on error.bool xvip_subdev_set_streaming(struct xvip_composite_device *xdev,struct ...
在video的驱动中,可以看到如下API: v4l2_i2c_new_subdev_board():生成一个新的i2c的v4l2子设备,内部核心:是建立一个...l2_device;一个v4l2的总设备。 v4l2_sbudev:来描述camera等sensor设备,一般是指挂接在总线(i2c)上的摄像头video_device:实际和处理器采集口相关的配置,一般该设备会完成 ...