gistfile1.txt

root@arm:/home/ubuntu# echo 959 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio959/direction
echo 1 > /sys/class/gpio/gpio959/value
echo 0 > /sys/class/gpio/gpio959/value
root@arm:/home/ubuntu# sh cam.sh
waiting in xioctl() 
bus_info	: platform:video_cap:0
card		: video_cap output 0
driver	: xilinx-vipp
version	: 264448
waiting in xioctl() 
waiting in xioctl() 
reqbuf.count : 3
waiting in xioctl() 
buf.length : 1
buf.m.offset : 3195409312
buf.m.planes[j].length : 4147200
buffers[i].start[j] : 0xb687e000
waiting in xioctl() 
buf.length : 1
buf.m.offset : 3195409312
buf.m.planes[j].length : 4147200
buffers[i].start[j] : 0xb6489000
waiting in xioctl() 
buf.length : 1
buf.m.offset : 3195409312
buf.m.planes[j].length : 4147200
buffers[i].start[j] : 0xb6094000
waiting in xioctl() 
waiting in xioctl() 
r : 0
waiting in xioctl() 
store image in array....
write data...
waiting in xioctl() 
root@arm:/home/ubuntu# media-ctl /dev/video0 -p
Media controller API version 4.9.0

Media device information
------------------------
driver          xilinx-video
model           Xilinx Video Composite Device
serial          
bus info        
hw revision     0x0
driver version  4.9.0

Device topology
- entity 1: video_cap output 0 (1 pad, 1 link)
            type Node subtype V4L flags 0
            device node name /dev/video0
	pad0: Sink
		<- "43c60000.mipi_csi2_rx_subsystem":0 [ENABLED]

- entity 5: ov5640 2-003c (1 pad, 1 link)
            type V4L2 subdev subtype Sensor flags 0
            device node name /dev/v4l-subdev0
	pad0: Source
		[fmt:UYVY/1920x1080 field:none]
		-> "43c60000.mipi_csi2_rx_subsystem":1 [ENABLED]

- entity 7: 43c60000.mipi_csi2_rx_subsystem (2 pads, 2 links)
            type V4L2 subdev subtype Unknown flags 0
            device node name /dev/v4l-subdev1
	pad0: Source
		[fmt:UYVY/1920x1080 field:none]
		-> "video_cap output 0":0 [ENABLED]
	pad1: Sink
		[fmt:UYVY/1920x1080 field:none]
		<- "ov5640 2-003c":0 [ENABLED]