On Sat, Oct 24, 2020 at 2:32 PM Coiby Xu <coiby.xu@xxxxxxxxx> wrote: > > Print out the status of debounce filter as follows, > $ cat /sys/kernel/debug/gpio|grep pin130 > pin130 interrupt is disabled| interrupt is masked| disable wakeup in S0i3 state| disable wakeup in S3 state| > disable wakeup in S4/S5 state| input is high| pull-up is disabled| Pull-down is disabled| output is disabled| debouncing filter (high) enabled| debouncing timeout is 124800 (us)| 0x503c8 > + if (!tmr_large) { > + if (!tmr_out_unit) > + unit = 61; > + else > + unit = 244; > + } else { > + if (!tmr_out_unit) > + unit = 15600; > + else > + unit = 62500; > + } In all three if:s can you use positive conditionals? -- With Best Regards, Andy Shevchenko