video_unregister_device:注销视频设备,删除对应的设备节点。 想要修改的是与图像传输相关的配置,这些参数通常会设置在v4l2_subdev_mbus_code_enum或者v4l2_mbus_config等结构体中。这些参数分别控制: V4L2_MBUS_PCLK_SAMPLE_RISING:在PIXCLK的上升沿采样数据。 V4L2_MBUS_MASTER:设备工作在Master模式。 V4L2_MBUS_...
.get_mbus_config=sditf_g_mbus_config, };staticconststructv4l2_subdev_video_ops sditf_video_ops ={ .g_frame_interval=sditf_g_frame_interval, .s_stream=sditf_s_stream, .s_rx_buffer=sditf_s_rx_buffer, };staticconststructv4l2_subdev_core_ops sditf_core_ops ={ .ioctl=sditf_ioctl,...
#ifdef CONFIG_COMPAT .compat_ioctl32=ov13850_compat_ioctl32,#endif};staticconststructv4l2_subdev_video_ops ov13850_video_ops ={ .s_stream=ov13850_s_stream, .g_frame_interval=ov13850_g_frame_interval, };staticconststructv4l2_subdev_pad_ops ov13850_pad_ops ={ .enum_mbus_code=ov13850_enu...
.s_mbus_fmt = soc_camera_platform_fill_fmt, .g_mbus_config = soc_camera_platform_g_mbus_config, }; static struct v4l2_subdev_ops platform_subdev_ops = { .core = &platform_subdev_core_ops, .video = &platform_subdev_video_ops, }; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11....
(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_mbus_frame_desc *fd); int (*get_mbus_config)(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_mbus_config *config); int (*set_routing)(struct v4l2_subdev *sd,struct v4l2_subdev_state *state,enum v4l2_subdev_format_whence...
enum v4l2_mbus_pixelcode mbus_code; enum v4l2_colorspace colorspace; struct regval_list *regs; int cmatrix[CMATRIX_LEN]; int bpp; } ov7670_format_struct ov7670_formats[] = { /* "YUYV 4:2:2" */ .desc = "YUYV 4:2:2", ...
一般是 YUYV 顺序反了,可以修改 sensor 驱动中 sensor_formats 结构体的 mbus_code 参数,修改 YUV 顺序即可。 5.2.4 I2c 已通,但是读所有 sensor 寄存器值都为 0 【分析步骤一】检查 i2c 通讯 addr 和 data 的位宽。 检查sensor 驱动中 cci_drv 结构体中定义的值是否符合 datasheet 要求。 【分析步骤二】...
g_mbus_config = soc_camera_platform_g_mbus_config, }; static struct v4l2_subdev_ops platform_subdev_ops = { .core = &platform_subdev_core_ops, .video = &platform_subdev_video_ops, }; 函数绑定只是将驱动所实现的函数赋值给相关的变量即可。
.g_mbus_fmt = soc_camera_platform_fill_fmt, .s_mbus_fmt = soc_camera_platform_fill_fmt, .g_mbus_config = soc_camera_platform_g_mbus_config, }; static struct v4l2_subdev_ops platform_subdev_ops = { .core = &platform_subdev_core_ops, ...
structv4l2_async_notifier_operations{int(*bound)(structv4l2_async_notifier *notifier,structv4l2_subdev *subdev,structv4l2_async_subdev *asd);/// 设备绑定时的处理函数,比如配置v4l2_mbus_config,配置v4l2_mbus_typeint(*complete)(structv4l2_async_notifier *notifier);//异步设备列表完成时的处理函数void...