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I check my I2C setting, it seems right `root@feiji:~# cat /boot/config- 'uname -r' | grep I2C | grep GPIO CONFIG_I2C_ARB_GPIO_CHALLENGE=m CONFIG_I2C_MUX_GPIO=m CONFIG_I2C_CBUS_GPIO=m CONFIG_I2C_GPIO=m` My OV5640 is not BPI sensor, I...

Thank you very much. Since use BPI OV5640 I can open the cap but still can't take a picture with openCV, but I need to used openCV on my project....

I just do some change on your code form [https://github.com/avafinger/cap-v4l2](url) And success get a picture in kernel 5.10 It's basically no problem, but some code written in C language will...