linux-kernel - Re: [PATCH v3 3/4] pinctrl: amd: print debounce filter info in debugfs

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Message-ID: <CACRpkdZBo+kY_AMNADmj0uGRavb=HsJ8doJ170RJmopmA1c9Nw@mail.gmail.com>
Date:   Tue, 10 Nov 2020 14:21:14 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Coiby Xu <coiby.xu@...il.com>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 3/4] pinctrl: amd: print debounce filter info in debugfs

On Fri, Nov 6, 2020 at 12:19 AM Coiby Xu <coiby.xu@...il.com> wrote:

> Print the status of debounce filter as follows,
> $ cat /sys/kernel/debug/gpio
> pin129          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 disabled|   0x50000
>                                                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
> 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
>                                                                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Signed-off-by: Coiby Xu <coiby.xu@...il.com>

Patch applied for the next kernel (v5.11).

Yours,
Linus Walleij