Re: Regulator constraints and userspace consumer

From: Mark Brown
Date: Thu Sep 15 2011 - 03:51:51 EST


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?
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