From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: linux-kernel@vger.kernel.org, Liam Girdwood <lrg@ti.com>
Subject: Re: [Q] regulators: 3-current-regulated supply
Date: Thu, 15 Nov 2012 16:18:39 +0900 [thread overview]
Message-ID: <20121115071838.GI7599@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <Pine.LNX.4.64.1211150749290.684@axis700.grange>
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On Thu, Nov 15, 2012 at 08:15:15AM +0100, Guennadi Liakhovetski wrote:
> parts are pretty simple - DCDC step-down, LDO. The first step-up DCDC
> isn't a problem either. It's the second step-up supply, that I'm having a
> problem with. It's output voltage can be regulated by using either a
> voltage feedback or the three current feedbacks. In the current feedback
> mode one has a choice between a manual mode, in which case you just choose
> one of the feedbacks and everything is simple again, or in automatic mode.
This almost certainly has no other function than to drive a LED string
for a backlight; it's not sensible to represent it via the regulator
framework at all. Just implement it as a backlight and/or LED driver
and have done with it unless you can find some other use for it.
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next prev parent reply other threads:[~2012-11-15 7:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-15 7:15 [Q] regulators: 3-current-regulated supply Guennadi Liakhovetski
2012-11-15 7:18 ` Mark Brown [this message]
2012-11-15 10:10 ` Guennadi Liakhovetski
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