USB: additional power savings for cdc-acm devices that support remote wakeup
authorOliver Neukum <oliver@neukum.org>
Fri, 20 Jun 2008 09:25:57 +0000 (11:25 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 21 Jul 2008 22:16:36 +0000 (15:16 -0700)
this patch saves power for cdc-acm devices that support remote wakeup
while the device is connected.

- request needs_remote_wakeup when needed
- delayed write while a device is autoresumed
- the device is marked busy when appropriate

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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