The following source code illustrates a minimal kernel module which, when loaded, starts blinking the keyboard LEDs until it is unloaded.

下面的源码演示了这样一个最小的内核模块，加载的时候开始闪烁键盘LED灯，直到被卸载。

youdao

You look up, and there's a star, blinking in code, and the color's changing, too.

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