linux-kernel - Re: [PATCH] leds: triggers: send uevent when changing triggers

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Message-ID: <CAMbhsRS-TiBE92nL0Cwc-ssZAMaHE2ET0UE8h7RU3VG6F6+Xtw@mail.gmail.com>
Date:	Wed, 25 Jul 2012 11:54:54 -0700
From:	Colin Cross <ccross@...roid.com>
To:	Bryan Wu <bryan.wu@...onical.com>
Cc:	linux-kernel@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>,
	Henrique de Moraes Holschuh <hmh@....eng.br>,
	Richard Purdie <rpurdie@...ys.net>, linux-leds@...r.kernel.org
Subject: Re: [PATCH] leds: triggers: send uevent when changing triggers

On Tue, Jul 24, 2012 at 11:11 PM, Bryan Wu <bryan.wu@...onical.com> wrote:
> On Wed, Jul 25, 2012 at 8:32 AM, Colin Cross <ccross@...roid.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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