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
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