From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: "Heiko Stübner" <heiko@sntech.de>
Cc: Liam Girdwood <lrg@ti.com>,
linux-kernel@vger.kernel.org, Axel Lin <axel.lin@gmail.com>
Subject: Re: regulator: Policy for setting current limits
Date: Mon, 6 Aug 2012 12:56:33 +0100 [thread overview]
Message-ID: <20120806115632.GB16861@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <201208060127.57074.heiko@sntech.de>
On Mon, Aug 06, 2012 at 01:27:56AM +0200, Heiko Stübner wrote:
> 500). Therefore if 500mA are the upper limit but the regulator also supports
> lower values, these lower values always get selected (100mA in my case).
> In contrast pda_power sets the target current as both lower and upper limit.
This isn't good, it means that the regulator has to be able to deliver
exactly the limit requested.
> (a) let the gpio-regulator select the max current (in contrast to the minimum
> voltage)
> (b) change gpio-vbus to also use the target current as min and max value
> (c) something else
Regulators should be tending to the maximum in the available range and
consumers should specify the widest range possible so both a and b.
next prev parent reply other threads:[~2012-08-06 11:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-05 23:27 regulator: Policy for setting current limits Heiko Stübner
2012-08-06 11:56 ` Mark Brown [this message]
2012-08-06 23:19 ` Heiko Stübner
2012-08-07 17:06 ` Mark Brown
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