我使用的事dm368芯片,dvsdk的软件包,用户在dm368上外接4x4按键,我在内核配置的/device drivers-->input device support-->keyboards打开了Ti_davinci key scan 然后编译通过。烧写到板子中,在/dev/input/下生成event0按键设备节点。可是这个设备节点并不好用,按键没有触发中断,不过当我运行encode解码程序后这个节点就可以正常工作,按键能够触发中断,返回按键值。关闭encde程序就立马不行。这是为什么呢
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