On Fri, 2008-01-04 at 12:48 +0100, Pavel Machek wrote: > Hi! > > > If a device can't support wakeup, its /sys/devices/.../power/wakeup output > > is > > empty, this is confusing, a user doesn't know if it supports wakeup feature > > unless he/she read the ralated source code, for this case, it is more > > reasonable to output "unsupported". Otherwise, no matter what value the user > > sets to /sys/devices/.../power/wakeup, the result is the same: Invalid > > argument, > > so the user doesn't know why. > > > > 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? > Pavel At the beginning, i did that as you said, but it can't work, some power/wakeup will disappear although they can be disabled or enabled, so it is only one feasible way to make it exist permanently. >
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