[lm-sensors] A new Subsystem for Current Management

Jean Delvare khali at linux-fr.org
Tue Nov 8 17:57:49 CET 2011


Hi Mark,

On Tue, 8 Nov 2011 16:54:26 +0000, Mark Brown wrote:
> On Sun, Nov 06, 2011 at 02:13:02PM +0100, Jean Delvare wrote:
> 
> > While the regulator subsystem presents itself as aiming at power
> > savings to improve battery life, it doesn't seem fundamentally
> > different from the need you described. Whether you lower current draw
> > to save battery life or to prevent the hardware from dying, makes
> > little difference, the underlying mechanisms should be pretty similar.
> 
> Actually the regulator API isn't really about power savings - it's about
> voltage and current regulation.  Higher layers can use these features to
> save power but it's not somethnig the regulator API cares about.  If the
> documentation suggests it is we might want to fix that up.

I came up to this conclusion after reading the CONFIG_REGULATOR help
text in Kconfig. I'll let you decide if this should get improved in any
way.

-- 
Jean Delvare




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