From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Marcus Folkesson <marcus.folkesson@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Regulator constraints and userspace consumer
Date: Thu, 15 Sep 2011 08:51:48 +0100 [thread overview]
Message-ID: <20110915075147.GA5040@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <CAM8FrKJbf-FhBrEs+YScF3rZFSa4_vzPAbaFP+2hB2qjXGSmNg@mail.gmail.com>
On Thu, Sep 15, 2011 at 07:21:24AM +0200, Marcus Folkesson wrote:
> We are working on an Software Defined Radio (SDR) in which power
> consumption is an important part of the product.
> The "modem" application executes in user space and has the
> responsibility to turn the voltage regulators on/off to the radio card
> and so on.
> When the application goes into power-down mode, there are circuits
> that are not used and we are able to reduce the voltage further by set
> down a few boost regulators.
I'd expect you have some sort of kernel mode driver for the hardware
side of things - shouldn't that be able to manage the regulators for
you? What happens when someone deploys the software on a different
board?
prev parent reply other threads:[~2011-09-15 7:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-14 18:54 Regulator constraints and userspace consumer Marcus Folkesson
2011-09-14 23:27 ` Mark Brown
2011-09-15 5:21 ` Marcus Folkesson
2011-09-15 7:51 ` Mark Brown [this message]
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