From: Baolin Wang <baolin.wang-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Dmitry Torokhov
<dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
stephen lu <lumotuwe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Arvind Yadav
<arvind.yadav.cs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Joseph Lo <josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Kate Stewart
<kstewart-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Philippe Ombredanne <pombredanne-od1rfyK75/E@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
"linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
DTML <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Linus Walleij
<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH] Input: gpio_keys: Add level trigger support for GPIO keys
Date: Fri, 9 Feb 2018 17:23:15 +0800 [thread overview]
Message-ID: <CAMz4kuKb8g5dAu5WQ847CODtVgJQBa_svbeQGGDsYpCjipBp_g@mail.gmail.com> (raw)
In-Reply-To: <CAKdAkRQ6+9=GUJfoMT_gtwS8DqWKeH9FAqPG2BFzL9GPbPNB4w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 9 February 2018 at 14:39, Dmitry Torokhov <dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> On Thu, Feb 8, 2018 at 10:08 PM, Baolin Wang <baolin.wang-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> wrote:
>> On some platforms (such as Spreadtrum platform), the GPIO keys can only
>> be triggered by level type.
>
> How do you stop the interrupt from re-triggering as long as the key
> stays pressed?
We will set the level type irq handler as handle_level_irq(), in this
function, it will mask and ack the irq firstly.
--
Baolin.wang
Best Regards
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next prev parent reply other threads:[~2018-02-09 9:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-09 6:08 [PATCH] Input: gpio_keys: Add level trigger support for GPIO keys Baolin Wang
[not found] ` <6c53b9ccfd4a56fc1b00e243bb9e7cae9e124932.1518155780.git.baolin.wang-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2018-02-09 6:39 ` Dmitry Torokhov
[not found] ` <CAKdAkRQ6+9=GUJfoMT_gtwS8DqWKeH9FAqPG2BFzL9GPbPNB4w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-09 9:23 ` Baolin Wang [this message]
[not found] ` <CAMz4kuKb8g5dAu5WQ847CODtVgJQBa_svbeQGGDsYpCjipBp_g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-09 15:03 ` Andy Shevchenko
[not found] ` <CAHp75VcJdYh8fKpqkRXxegRkESaN2Cgxybyei1NVwf_1C7rhwQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-11 1:54 ` Baolin Wang
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