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TSC2007: TSC2007的PENIRQ一直中断(频率100Hz)

Part Number: TSC2007

使用TSC2007接口4线电阻屏,触屏时,偶尔会出现PENIRQ一直产生中断的现象,而且出现1次后,这种现象就非常容易再现了。软件平台为linux(对应驱动文件tsc2007.c)

看到以前有人问起过这个问题,但好像没有答复,不知道后来这位工程师是如何解决的?

谢谢!