linux-kernel - Re: [PATCH] leds: Add WM8350 LED driver

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Message-ID: <20081115172945.GC1523@ucw.cz>
Date:	Sat, 15 Nov 2008 18:29:45 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Richard Purdie <rpurdie@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] leds: Add WM8350 LED driver

On Thu 2008-11-13 12:39:57, Mark Brown wrote:
> The voltage and current regulators on the WM8350 AudioPlus PMIC can be
> used in concert to provide a power efficient LED driver.  This driver
> implements support for this within the standard LED class.
> 
> Platform initialisation code should configure the LED hardware in the
> init callback provided by the WM8350 core driver.  The callback should
> use wm8350_isink_set_flash(), wm8350_dcdc25_set_mode() and
> wm8350_dcdc_set_slot() to configure the operating parameters of the
> regulators for their hardware and then then use wm8350_register_led() to
> instantiate the LED driver.

What kind of hw is this? 1W led attached to some kind of PDA?

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