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From: florian.vaussard@epfl.ch (Florian Vaussard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] gpiolib: add gpio_export_with_name
Date: Fri, 31 May 2013 10:17:22 +0200	[thread overview]
Message-ID: <51A85C92.4090701@epfl.ch> (raw)
In-Reply-To: <CACRpkdZMj-Xin5PMDWavaWOTCSZF3NBWXk4fG4QXsJzhwBcs_Q@mail.gmail.com>

Hello Linus,

On 05/30/2013 11:11 PM, Linus Walleij wrote:
> On Thu, May 30, 2013 at 10:38 PM, Florian Vaussard
> <florian.vaussard@epfl.ch> wrote:
>
>> Indeed, I work in a robotics lab :-) One of our board (mach-imx/
>> mx31moboard*.c) controls for example the multiplexing of two cameras
>> sharing the same acquisition bus (I know, a bit hackish).
>> I developed a similar board with an OMAP3. Such control do not
>> fit well in the above-mentioned cases, but we do not need RT processes.
>
> It does seem to fit well with V4L and/or the media controller
> framework though, or is this one of those "oh, we don't really
> like to use V4L so we have this special hack instead" things?
>

Sorry, I was not aware of this mux capability inside V4L. Thank
you. So we can live without gpio-export for most of our hardware.

Regards,

Florian

WARNING: multiple messages have this Message-ID (diff)
From: Florian Vaussard <florian.vaussard-p8DiymsW2f8@public.gmane.org>
To: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
	<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
	Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH 1/2] gpiolib: add gpio_export_with_name
Date: Fri, 31 May 2013 10:17:22 +0200	[thread overview]
Message-ID: <51A85C92.4090701@epfl.ch> (raw)
In-Reply-To: <CACRpkdZMj-Xin5PMDWavaWOTCSZF3NBWXk4fG4QXsJzhwBcs_Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Hello Linus,

On 05/30/2013 11:11 PM, Linus Walleij wrote:
> On Thu, May 30, 2013 at 10:38 PM, Florian Vaussard
> <florian.vaussard-p8DiymsW2f8@public.gmane.org> wrote:
>
>> Indeed, I work in a robotics lab :-) One of our board (mach-imx/
>> mx31moboard*.c) controls for example the multiplexing of two cameras
>> sharing the same acquisition bus (I know, a bit hackish).
>> I developed a similar board with an OMAP3. Such control do not
>> fit well in the above-mentioned cases, but we do not need RT processes.
>
> It does seem to fit well with V4L and/or the media controller
> framework though, or is this one of those "oh, we don't really
> like to use V4L so we have this special hack instead" things?
>

Sorry, I was not aware of this mux capability inside V4L. Thank
you. So we can live without gpio-export for most of our hardware.

Regards,

Florian

  reply	other threads:[~2013-05-31  8:17 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-21 10:12 [PATCH 0/2] gpio: dt: add gpio-export support Jean-Christophe PLAGNIOL-VILLARD
2012-11-21 10:12 ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-21 10:14 ` [PATCH 1/2] gpiolib: add gpio_export_with_name Jean-Christophe PLAGNIOL-VILLARD
2012-11-21 10:14   ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-21 10:14   ` [PATCH 2/2] gpiolib-of: ad gpio-export support Jean-Christophe PLAGNIOL-VILLARD
2012-11-21 10:14     ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-26 13:59   ` [PATCH 1/2] gpiolib: add gpio_export_with_name Grant Likely
2012-11-26 13:59     ` Grant Likely
2012-11-28 20:19     ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-28 20:19       ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-18  6:04       ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-18  6:04         ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-19 13:11         ` Grant Likely
2012-12-19 13:11           ` Grant Likely
2013-05-30  9:19     ` Florian Vaussard
2013-05-30  9:19       ` Florian Vaussard
2013-05-30 20:03       ` Linus Walleij
2013-05-30 20:03         ` Linus Walleij
2013-05-30 20:38         ` Florian Vaussard
2013-05-30 20:38           ` Florian Vaussard
2013-05-30 21:11           ` Linus Walleij
2013-05-30 21:11             ` Linus Walleij
2013-05-31  8:17             ` Florian Vaussard [this message]
2013-05-31  8:17               ` Florian Vaussard
2012-11-21 14:43 ` [PATCH 0/2] gpio: dt: add gpio-export support Linus Walleij
2012-11-21 14:43   ` Linus Walleij
2012-11-24 18:48   ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-24 18:48     ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-01 16:56     ` Linus Walleij
2012-12-01 16:56       ` Linus Walleij

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