From: "Uwe Kleine-König" <u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
To: Y Vo <yvo-qTEPVZfXA3Y@public.gmane.org>
Cc: linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Dmitry Torokhov
<dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Feng Kan <fkan-qTEPVZfXA3Y@public.gmane.org>,
Phong Vo <pvo-qTEPVZfXA3Y@public.gmane.org>,
patches-qTEPVZfXA3Y@public.gmane.org,
Loc Ho <lho-qTEPVZfXA3Y@public.gmane.org>,
Toan Le <toanle-qTEPVZfXA3Y@public.gmane.org>
Subject: Re: [PATCH v0] gpio_keys: fix gpio key driver to proper support GIC interrupt
Date: Mon, 8 Jun 2015 08:30:52 +0200 [thread overview]
Message-ID: <20150608063052.GW18985@pengutronix.de> (raw)
In-Reply-To: <1433402712-21399-1-git-send-email-yvo-qTEPVZfXA3Y@public.gmane.org>
Hello,
On Thu, Jun 04, 2015 at 02:25:12PM +0700, Y Vo wrote:
> GIC is designed to support two of trigger mechanisms - active level
> high or edge rising. But in the gpio_keys driver, it tries to use both
> edge rising and edge falling trigger. This patch fixes the gpio_keys
> driver to request only the edge rising event when failed to configure the
> interrupt.
Is it possible to fix that in the GIC driver? I.e. let it switch the
trigger direction to falling when it fired for raising?
This would require to read out the current level, not sure this is
possible?!
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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prev parent reply other threads:[~2015-06-08 6:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-04 7:25 [PATCH v0] gpio_keys: fix gpio key driver to proper support GIC interrupt Y Vo
2015-06-05 12:50 ` Arnd Bergmann
2015-06-08 2:48 ` Y Vo
2015-06-10 23:08 ` Arnd Bergmann
[not found] ` <1433402712-21399-1-git-send-email-yvo-qTEPVZfXA3Y@public.gmane.org>
2015-06-04 17:23 ` Dmitry Torokhov
2015-06-05 3:37 ` Feng Kan
2015-06-05 4:36 ` Dmitry Torokhov
2015-06-08 6:30 ` Uwe Kleine-König [this message]
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