Date: Mon, 7 Sep 2009 15:22:12 +0200
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
Message-ID: <20090907132212.GA1739@ucw.cz>
References: <1252156161-10062-1-git-send-email-broonie@opensource.wolfsonmicro.com> <1252156161-10062-2-git-send-email-broonie@opensource.wolfsonmicro.com>
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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...?

-- 
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