From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Felipe Balbi <me@felipebalbi.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>,
Mike Rapoport <mike@compulab.co.il>,
linux-kernel@vger.kernel.org
Subject: Re: Smart Battery System Design (was: Re: Question about userspace-consumer)
Date: Wed, 12 Aug 2009 23:53:13 +0100 [thread overview]
Message-ID: <20090812225312.GD4731@sirena.org.uk> (raw)
In-Reply-To: <20090812190659.GA21001@gandalf>
On Wed, Aug 12, 2009 at 10:07:03PM +0300, Felipe Balbi wrote:
> On Wed, Aug 12, 2009 at 11:05:17AM +0100, Mark Brown wrote:
> > You actually get notification on any change the supply chooses to notify
> > the core on IIRC.
> true, but that's only (at least on the chips I've seen) for the presence
> of the charger. I haven't seen a chip that notify you based on a
> threshold of e.g. voltage change or temperature change. Which would be a
> really nice feature: you could give a "best" temperature value and a
> threshold of +-10% and if that changes over that limit, device
> interrupts processor, or something like that.
If a chip has a generic AUX ADC (of the sort used for voltage
monitoring) it'll quite often also have some comparator functionality to
go along with it, normally configurable.
next prev parent reply other threads:[~2009-08-12 22:53 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-10 20:05 Question about userspace-consumer Felipe Balbi
2009-08-10 21:58 ` Mark Brown
2009-08-11 5:44 ` Felipe Balbi
2009-08-11 9:40 ` Mark Brown
2009-08-11 10:30 ` Liam Girdwood
2009-08-11 20:49 ` Smart Battery System Design (was: Re: Question about userspace-consumer) Felipe Balbi
2009-08-11 20:59 ` Felipe Balbi
2009-08-11 22:36 ` Mark Brown
2009-08-12 6:47 ` Felipe Balbi
2009-08-12 10:05 ` Mark Brown
2009-08-12 19:07 ` Felipe Balbi
2009-08-12 22:53 ` Mark Brown [this message]
2009-08-14 16:32 ` Pavel Machek
2009-08-15 16:43 ` Mark Brown
2009-08-15 22:34 ` Pavel Machek
2009-08-16 9:18 ` Mark Brown
2009-08-22 9:28 ` Pavel Machek
2009-08-22 10:16 ` Mark Brown
2009-08-21 14:01 ` Pavel Machek
2009-08-22 14:16 ` Mark Brown
2009-08-22 19:35 ` Pavel Machek
2009-08-23 9:08 ` Mark Brown
2009-08-11 12:09 ` Question about userspace-consumer Mike Rapoport
2009-08-11 12:56 ` Mark Brown
2009-08-11 20:40 ` Felipe Balbi
2009-08-14 16:31 ` Pavel Machek
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