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    SubjectRe: [PATCH] leds: triggers: send uevent when changing triggers
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    On Tue, Jul 24, 2012 at 11:11 PM, Bryan Wu <bryan.wu@canonical.com> wrote:
    > On Wed, Jul 25, 2012 at 8:32 AM, Colin Cross <ccross@android.com> wrote:
    >> Some triggers create sysfs files when they are enabled. Send a uevent
    >> "change" notification whenever the trigger is changed to allow userspace
    >> processes such as udev to modify permissions on the new files.
    >>
    >
    > This looks like an workaround only for led trigger, can we fix this in
    > sysfs level?

    See the previous discussion here: https://lkml.org/lkml/2012/7/20/458


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