Fedora 31

我的笔记本CPU为AMD R5 3550H，系统为Fedora31。有时启动后无法使用触摸板，记录一下溯源过程。

Fedora 31 TouchPad not working. Restart driver. TouchPad has problem. TouchPad not detected. TouchPad does not work.

dmesg查看日志

[    1.702118] i2c_hid i2c-ELAN2204:00: HID over i2c has not been provided an Int IRQ
[    1.702167] i2c_hid: probe of i2c-ELAN2204:00 failed with error -22

可知模块i2c_hid不能正常启动，需要重启

sudo modprobe -r i2c_hid && sudo modprobe i2c_hid

错误代码-22表明是参数传递有误，代码参考

 

来源：oschina

链接：https://my.oschina.net/wffger/blog/3170809