V4L2_SUBDEV_FORMAT_TRY是 Linux V4L2(Video for Linux 2)接口中与子设备(sub-device)相关的一个标志,用于处理视频设备的格式设置和查询。 背景 在V4L2 中,视频设备可以是主设备(如摄像头)或子设备(如图像传感器、信号处理器等)。当你想要获取或设置某个子设备的格式时,可以使用V4L2_SUBDEV_FORMAT_
# CONFIG_VIDEO_V4L2_SUBDEV_API is not set ../drivers/media/i2c/mt9v111.c: In function ‘__mt9v111_get_pad_format’: ../drivers/media/i2c/mt9v111.c:801:3: error: implicit declaration of function ‘v4l2_subdev_get_try_format’ [-Werror=implicit-function-declaration] return v4l2_subdev_...