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From: w.sang@pengutronix.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC] add pwmlib support
Date: Sat, 29 Jan 2011 22:51:41 +0100	[thread overview]
Message-ID: <20110129215141.GA3493@pengutronix.de> (raw)
In-Reply-To: <20110129213821.0e51dc32@endymion.delvare>


> > code is inspired by gpiolib support and tested using the backlight pwm
							     ^^^^^^^^^
> So I believe that hwmon drivers are out of scope for pwmlib. Which
> makes me wonder what you intend to do with pwmlib (back to my first
> question...) as the only use I know of for PWM signals in computers is
> for fan control.

It was meant for backlight control (was mentioned very indirectly).
I also pointed him to Bill's implementation, too.

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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From: Wolfram Sang <w.sang@pengutronix.de>
To: Jean Delvare <khali@linux-fr.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>,
	linux-kernel@vger.kernel.org, Eric Miao <eric.miao@linaro.org>,
	Ben Dooks <ben-linux@fluff.org>,
	Kukjin Kim <kgene.kim@samsung.com>,
	Lars-Peter Clausen <lars@metafoo.de>, Hemanth V <hemanthv@ti.com>,
	linux-arm-kernel@lists.infradead.org,
	Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>,
	Shawn Guo <shawn.guo@freescale.com>
Subject: Re: [RFC] add pwmlib support
Date: Sat, 29 Jan 2011 22:51:41 +0100	[thread overview]
Message-ID: <20110129215141.GA3493@pengutronix.de> (raw)
In-Reply-To: <20110129213821.0e51dc32@endymion.delvare>

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> > code is inspired by gpiolib support and tested using the backlight pwm
							     ^^^^^^^^^
> So I believe that hwmon drivers are out of scope for pwmlib. Which
> makes me wonder what you intend to do with pwmlib (back to my first
> question...) as the only use I know of for PWM signals in computers is
> for fan control.

It was meant for backlight control (was mentioned very indirectly).
I also pointed him to Bill's implementation, too.

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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  reply	other threads:[~2011-01-29 21:51 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-28 12:21 [RFC] add pwmlib support Sascha Hauer
2011-01-28 12:21 ` Sascha Hauer
2011-01-28 12:21 ` [PATCH 1/2] pwmlib: add pwm support Sascha Hauer
2011-01-28 12:21   ` Sascha Hauer
2011-01-30 20:52   ` Ryan Mallon
2011-01-30 20:52     ` Ryan Mallon
2011-01-31  7:49     ` Sascha Hauer
2011-01-31  7:49       ` Sascha Hauer
2011-01-28 12:21 ` [PATCH 2/2] pwm: Add a i.MX23/28 pwm driver Sascha Hauer
2011-01-28 12:21   ` Sascha Hauer
2011-01-28 14:12 ` [RFC] add pwmlib support root
2011-01-28 14:12   ` root
2011-01-29  0:21   ` Matt Sealey
2011-01-29  0:21     ` Matt Sealey
2011-01-29 20:38 ` Jean Delvare
2011-01-29 20:38   ` Jean Delvare
2011-01-29 21:51   ` Wolfram Sang [this message]
2011-01-29 21:51     ` Wolfram Sang
2011-01-30  3:49     ` arden jay
2011-01-30  3:49       ` arden jay
2011-01-31  7:58       ` Sascha Hauer
2011-01-31  7:58         ` Sascha Hauer
2011-02-06 13:22         ` Linus Walleij
2011-02-06 13:22           ` Linus Walleij
2011-01-29 20:53 ` Lars-Peter Clausen
2011-01-29 20:53   ` Lars-Peter Clausen
2011-01-31  3:35   ` Arun MURTHY
2011-01-31  3:35     ` Arun MURTHY
2011-01-31  7:54     ` Sascha Hauer
2011-01-31  7:54       ` Sascha Hauer
2011-01-31 12:48       ` Lars-Peter Clausen
2011-01-31 12:48         ` Lars-Peter Clausen
2011-01-31 13:00         ` Sascha Hauer
2011-01-31 13:00           ` Sascha Hauer

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