kernel 目录下执行
make ARCH=arm64 menuconfig # arm64,cpu 架构,根据不同平台不一样,arm cpu 有 arm 和 arm64
配置kernel
DeviceDrivers ---> <*> Multimedia support ---> Media Controller API (EXPERIMENTAL)
<*> Video For Linux
V4L2 sub-device userspace API (EXPERIMENTAL) Video capture adapters ---> V4L USB devices ---> <*> USB Video Class (UVC)
UVC input events device support
<M> GSPCA based webcams --->
在插入USB摄像头在/dev/目录下有新的结点生成,如 video5,kernel配置成功
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