linux-kernel - Re: [PATCH v2] gpio-charger: Add gpio_charger

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Date:	Wed, 6 Apr 2011 02:08:58 -0700
From:	Benson Leung <bleung@...omium.org>
To:	lars@...afoo.de, cbouatmailru@...il.com
Cc:	rklein@...dia.com, linux-kernel@...r.kernel.org,
	Benson Leung <bleung@...omium.org>
Subject: Re: [PATCH v2] gpio-charger: Add gpio_charger_resume

Hi Lars,

Please take another look.

Thanks,
Benson

On Sat, Apr 2, 2011 at 7:13 PM, Benson Leung <bleung@...omium.org> wrote:
> Gpio charger should notify if the gpio state had changed
> during suspend. This will send a CHANGED event each time
> the system resumes, ensuring a plug/unplug of the charger
> is not missed.
>
> Signed-off-by: Benson Leung <bleung@...omium.org>
>
> --
> Version history :
> v2 : Changed to use dev_pm_ops
> v1 : Initial
> ---
>  drivers/power/gpio-charger.c |   20 ++++++++++++++++++++
>  1 files changed, 20 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
> index 25b88ac..df29059 100644
> --- a/drivers/power/gpio-charger.c
> +++ b/drivers/power/gpio-charger.c
> @@ -161,12 +161,32 @@ static int __devexit gpio_charger_remove(struct platform_device *pdev)
>        return 0;
>  }
>
> +#if defined(CONFIG_PM)
> +static int gpio_charger_resume(struct device *dev)
> +{
> +       struct platform_device *pdev = to_platform_device(dev);
> +       struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
> +
> +       power_supply_changed(&gpio_charger->charger);
> +
> +       return 0;
> +}
> +
> +static const struct dev_pm_ops gpio_charger_pm_ops = {
> +       .resume         = gpio_charger_resume,
> +};
> +#endif
> +
> +
>  static struct platform_driver gpio_charger_driver = {
>        .probe = gpio_charger_probe,
>        .remove = __devexit_p(gpio_charger_remove),
>        .driver = {
>                .name = "gpio-charger",
>                .owner = THIS_MODULE,
> +#if defined(CONFIG_PM)
> +               .pm = &gpio_charger_pm_ops,
> +#endif
>        },
>  };
>
> --
> 1.7.1
>
>



-- 
Benson Leung
Software Engineer, Chrom* OS
bleung@...omium.org
--
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