On Fri, 2008-01-04 at 08:09 -0800, David Brownell wrote: > > > This patch changes empty output to "unsupported" in order that a user > > > knows > > > wakeup feature isn't supported by this device when he/she > > > 'cat /sys/devices/.../power/wakeup', please consider to apply, > > > thanks. > > > > What about simply removing "wakuep" file if wakeup is not supported? > > It may not *stay* unsupported, so I think changing it in either > of those permanent ways would be confusing/misleading. > > For example, USB devices have multiple states ... minimally, an > unconfigured state, and a configured state. Some have multiple > configurations. Only configured states can be wakeup-capable. > So a given device might have three states, but support wakeup > except in one of them... If so, we can change "unsupported" to "unconfigurable" or "inoperable" which can cover the states "unconfigured", "unsupported" and other unknown states. :-). > > - Dave >
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