On Tue, 24 Jan 2006, Steve Finney wrote:
> This is an Atmel AT43312A 4 port hub on an embedded device, which looks
> like it should support per-port power switching (it also looks like that
> from the schematic, though we haven't tried it). But the current issue
> is that the flash device on the p
On Tue, 2006-01-24 at 10:53 -0500, Alan Stern wrote:
>
> That having been said, you should note that almost none of the USB
> controller hardware found in desktop/laptop computers and a surprisingly
> small percentage of external hubs support port power control. (I say
> surprisingly because pow
On Mon, 23 Jan 2006, Steve Finney wrote:
> Back in June 2004, Alan Stern answered a question about whether
> it was possible to power off individual USB ports via /sys with
> a resounding "No". Has this changed in later kernel versions? I notice
> there is a devices/*/power/state file which is wri
Back in June 2004, Alan Stern answered a question about whether
it was possible to power off individual USB ports via /sys with
a resounding "No". Has this changed in later kernel versions? I notice
there is a devices/*/power/state file which is writeable.
Our particular issue is that we have a US
