linux-kernel - Re: [PATCH v2 2/2] leds-lp5523: set the brightness to 0 forcely on removing the driver

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Message-ID: <CAK5ve-LtWsnKRbDCdsCfnNOKOZXWgfXij0yP6kn_mD4DuB7npg@mail.gmail.com>
Date:	Wed, 22 Aug 2012 22:55:30 +0800
From:	Bryan Wu <bryan.wu@...onical.com>
To:	"Kim, Milo" <Milo.Kim@...com>
Cc:	Richard Purdie <rpurdie@...ys.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] leds-lp5523: set the brightness to 0 forcely on
 removing the driver

On Wed, Aug 22, 2012 at 3:32 PM, Kim, Milo <Milo.Kim@...com> wrote:
> Turning off the brightness of each channel is required
> when removing the driver.
>
> So use flush_work() rather than cancel_work_sync() to execute
> remaining brightness works.
>

Thanks, merged to my for-next
-Bryan

> Signed-off-by: Milo(Woogyom) Kim <milo.kim@...com>
> ---
>  drivers/leds/leds-lp5523.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
> index 9fd9a92..2fd5689 100644
> --- a/drivers/leds/leds-lp5523.c
> +++ b/drivers/leds/leds-lp5523.c
> @@ -974,7 +974,7 @@ static int __devinit lp5523_probe(struct i2c_client *client,
>  fail2:
>         for (i = 0; i < chip->num_leds; i++) {
>                 led_classdev_unregister(&chip->leds[i].cdev);
> -               cancel_work_sync(&chip->leds[i].brightness_work);
> +               flush_work(&chip->leds[i].brightness_work);
>         }
>  fail1:
>         if (pdata->enable)
> @@ -993,7 +993,7 @@ static int lp5523_remove(struct i2c_client *client)
>
>         for (i = 0; i < chip->num_leds; i++) {
>                 led_classdev_unregister(&chip->leds[i].cdev);
> -               cancel_work_sync(&chip->leds[i].brightness_work);
> +               flush_work(&chip->leds[i].brightness_work);
>         }
>
>         if (chip->pdata->enable)
> --
> 1.7.2.5
>
>
> Best Regards,
> Milo
>
>



-- 
Bryan Wu <bryan.wu@...onical.com>
Kernel Developer    +86.186-168-78255 Mobile
Canonical Ltd.      www.canonical.com
Ubuntu - Linux for human beings | www.ubuntu.com
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