Re: [Kernel-discuss] Re: [PATCH 3/8] Universal power supply class (was: battery class)

From: Paul Sokolovsky
Date: Sat May 05 2007 - 11:43:33 EST


Hello ian,

Saturday, May 5, 2007, 4:46:26 PM, you wrote:

> On Sat, 2007-05-05 at 00:54 -0300, Henrique de Moraes Holschuh wrote:

>> Given that USB-power *is* usually also "dumb" (i.e. it doesn't do any
>> control signaling over the USB bus for power-control purposes),

> it might be dumb, but it is useful to know wether the PDA is charging
> from usb or mains power. and some devices allow one to switch on / off
> the ability to charge via usb

And USB does have power budgetting requirements, etc. (like
was already pointed in own of initial review messages). So, USB
is definitely not the same thing as "dumb DC".


--
Best regards,
Paul mailto:pmiscml@xxxxxxxxx

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