From: Pavel Machek <pavel@ucw.cz>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Richard Purdie <rpurdie@rpsys.net>,
linux-kernel@vger.kernel.org,
Samuel Ortiz <sameo@linux.intel.com>
Subject: Re: [PATCH 2/2] leds: Add WM831x status LED driver
Date: Mon, 7 Sep 2009 15:22:12 +0200 [thread overview]
Message-ID: <20090907132212.GA1739@ucw.cz> (raw)
In-Reply-To: <1252156161-10062-2-git-send-email-broonie@opensource.wolfsonmicro.com>
On Sat 2009-09-05 14:09:21, Mark Brown wrote:
> The WM831x devices feature two software controlled status LEDs with
> hardware assisted blinking.
>
> The device can also autonomously control the LEDs based on a selection
> of sources. This can be configured at boot time using either platform
> data or the chip OTP. A sysfs file in the style of that for triggers
> allowing the control source to be configured at run time. Triggers
> can't be used here since they can't depend on the implementation details
> of a specific LED type.
I believe people *were* doing that with triggers in other drivers...?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-09-07 13:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-05 13:09 [PATCH 1/2] backlight: Add WM831x backlight driver Mark Brown
2009-09-05 13:09 ` [PATCH 2/2] leds: Add WM831x status LED driver Mark Brown
2009-09-07 7:25 ` Andrey Panin
2009-09-07 9:07 ` Mark Brown
2009-09-07 13:22 ` Pavel Machek [this message]
2009-09-07 13:51 ` Richard Purdie
2009-09-09 9:12 ` Samuel Ortiz
2009-09-09 9:38 ` Mark Brown
2009-09-09 9:52 ` Samuel Ortiz
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