linux-kernel - Re: [PATCH] gpiolib: cdev: clear debounce period if line set to output

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Date:   Fri, 22 Jan 2021 23:49:02 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Kent Gibson <warthog618@...il.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH] gpiolib: cdev: clear debounce period if line set to output

On Thu, Jan 21, 2021 at 3:11 PM Kent Gibson <warthog618@...il.com> wrote:

> When set_config changes a line from input to output debounce is
> implicitly disabled, as debounce makes no sense for outputs, but the
> debounce period is not being cleared and is still reported in the
> line info.
>
> So clear the debounce period when the debouncer is stopped in
> edge_detector_stop().
>
> Fixed: 65cff7047640 ("gpiolib: cdev: support setting debounce")
> Signed-off-by: Kent Gibson <warthog618@...il.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij