linux-kernel - Re: [PATCH] platform/x86: dell-laptop: don't register platform::micmute if the related tokens don't exist.

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Message-ID: <CAHp75Vcz+HgR1Vxjio+HvLOi_gpZiZLe4P-iPtsLRY8nVWE2+w@mail.gmail.com>
Date:   Thu, 7 May 2020 15:54:06 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Pali Rohár <pali@...nel.org>
Cc:     Koba Ko <koba.ko@...onical.com>,
        Matthew Garrett <mjg59@...f.ucam.org>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/x86: dell-laptop: don't register
 platform::micmute if the related tokens don't exist.

On Thu, May 7, 2020 at 2:45 PM Pali Rohár <pali@...nel.org> wrote:
> On Thursday 07 May 2020 19:27:47 Koba Ko wrote:

> > don't understand "registration and deregistration would be optional',
> > could you explain more!?
>
> After your patch led_classdev_register() function is not always called.
> And led_classdev_unregister() should not be called when there is no
> device registered.

I think it's not a strong requirement after the commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1dbb9fb4082ce2a2f1cf9596881ddece062d15d0

-- 
With Best Regards,
Andy Shevchenko