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    SubjectRe: [linux-pm][PATCH] base: Change power/wakeup output from "" to "unsupported" if wakeup feature isn't supported by a device
    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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      Last update: 2008-01-07 02:29    [W:0.019 / U:9.872 seconds]
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