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Date: Tue, 7 Aug 2012 12:44:02 -0700
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Subject: Re: [PATCH] leds: triggers: send uevent when changing triggers
From: Colin Cross <ccross@android.com>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Bryan Wu <bryan.wu@canonical.com>, Greg KH <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, Richard Purdie <rpurdie@rpsys.net>,
        linux-leds@vger.kernel.org
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On Tue, Aug 7, 2012 at 7:36 AM, Henrique de Moraes Holschuh
<hmh@hmh.eng.br> wrote:
> On Tue, 07 Aug 2012, Bryan Wu wrote:
<snip>

>> Greg, Richard and Henrique, can I take you guys' Ack here?
>
> Yes, you have my Acked-by, provided that the uevent is NOT sent before
> the led is fully registered (I cannot check right now if the patch does
> this right or not.  I apologise in advance if this was an unecessary
> question).
>
> I don't care whether the uevent gets sent right after registration, or
> only when the trigger *changes* after registering.  But someone might,
> so it would be nice to document this.
>
> Considering Greg's answer, maybe it would be best to resend the patch
> with the point above clarified in the commit message or in the in-tree
> documentation of the LED class?

led_trigger_set_default is called last from led_classdev_register, so
it will send a uevent during registration but after it is fully
registered.  I will resend the patch with the clarification.