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Date: Wed, 25 Jul 2012 11:54:54 -0700
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Subject: Re: [PATCH] leds: triggers: send uevent when changing triggers
From: Colin Cross <ccross@android.com>
To: Bryan Wu <bryan.wu@canonical.com>
Cc: linux-kernel@vger.kernel.org, Greg KH <gregkh@linuxfoundation.org>,
        Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
        Richard Purdie <rpurdie@rpsys.net>, linux-leds@vger.kernel.org
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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